DESC:FIELD OF THE INVENTION:

The present invention relates to an apparatus for feeding concrete. Most particularly relates to an apparatus for collecting mixed concrete at the suction valve of the pump from the concrete mixing station by gravitational force.

BACKGROUND OF THE INVENTION:

Concrete as an excellent building material, is widely used in people's daily lives. With the advancement of science and technology and economic development of the social demand for cement and concrete growing, the concrete has in fact become the foundation of modern society. In view of this, a growing number of commercial concrete mixing plant and concrete mixing station project is the construction of a new agitation to the surrounding concrete. For large projects, construction workers usually fill concrete walls by mixing concrete in a concrete mixer and then pouring the concrete from a chute into the cells of a wall. For small projects, concrete is mixed in a bucket, which is used to pour the concrete into the cells of the wall.

Concrete transport machinery is widely used in high-rise buildings, coal, mines, tunnels, railways, highways, bridges and culverts, ports, water conservancy, power, defence engineering, concrete works. Concrete pipe by continuously pumped to pouring site, has good manoeuvrability.

In prior arts, a known material feed container, the agitator is mounted in two bearings fixed container and is driven by two arranged on the container outside of hydraulic motors. The bearings and the motors are firmly mounted on the material reservoir. In a two-cylinder thick material pump, the agitator concealed in the material reservoir, the diverter valve of the pump and a portion of the pump ports.

Most of the known concrete pump, which convey liquid concrete consisting of agitator, screw or any blade located into feeding hopper. As known, concrete has high density and characteristic of bonding. Due to such properties of liquid concrete does not flow and distribute properly. To overcome above problem agitator, feeding screw or blade are installed into feeding hopper which transport liquid concrete forcefully to the suction valve of the pump. Some prior arts are listed below, which are using agitator, feeding screw, blades, etc.

US Patent No. 3682575 discloses the valve is positioned below the hopper, so that concrete is fed to the valve and the valve controls the flow of concrete to the Y-fitting. In order to facilitate the movement of concrete from the hopper into the valve, since the hopper is tapered toward the bottom, an agitator is positioned just above the valve within the lower end of the hopper, and it is defined by a shaft extending cross-wise of the hopper and bearingly supported in opposed hopper walls, and a plurality of fingers or tines which extend from the shaft, and which are capable of moving through the concrete to maintain it in mixed form and flowable at the inlet to the valve. A suitable rotatable fluid motor may be mounted on one end of the hopper and drivingly connected to the agitator shaft to provide rotating power to the agitator. The fluid motor may be driven from the source of the pressurized and hydraulic fluid developed by the pump.

Chines Patent No. 203110152 discloses the utility model discloses an underground concrete preparation and pumping unit. The underground concrete preparation pump unit comprises a concrete dry material feeding machine, a concrete mixer and a concrete pump, wherein both the feeding machine and the mixer are composed of a walking part, a hydraulic unit, a working unit, and a machine frame; the feeding machine adopts a scraper to feed; a stirring chest with the length of 3-5 m on the mixer realizes continuous discharging; 2-3 stirring shafts are arranged in the chest; each walking part is composed of a chassis frame and wheels; the wheels are rail wheels or tires; the rail wheels are adopted by rail transportation, a bottom-dump mine car is adopted to dump the concrete dry material onto the scraper; the tires are adopted by trackless transportation, a rubber-tired car is adopted to dump the concrete dry material onto the scraper; and the feeding machine, the mixer and the concrete pump are sequentially arranged in lap joint to achieve operations of concrete feeding, mixing and pumping. The underground concrete preparation and pumping unit is simple in structure and convenient to use, and is movable, realizes mechanized continuous feeding, continuous discharging and continuous pumping, greatly reduces the labour intensity of a worker, and increases concrete construction speed. Further, an agitator shaft is controlled by hydraulic motor and pushes concrete towards pump inlet valve.

Chinese Patent No. 207144499 discloses the utility model relates to a feeding hopper for cement pump truck, including the hopper body, be equipped with left feed inlet and right feed port on the hopper body side by side, be equipped with pendulum actuating cylinder on the hopper body, be equipped with the discharging pipe on the hopper body, be equipped with left feed inlet and right feed port on the hopper body side by side, the one end of discharging pipe is rotated with the hopper body and is connected, the other end of discharging pipe and pendulum actuating cylinder's tailpiece of the piston rod fixed connection, hopper body internal rotation is connected with the (mixing) shaft, can dismantle on the (mixing) shaft and be connected with a plurality of stirring units, the inboard fixedly connected with buckle in upper end and the fixed stop of hopper body, the upper end of hopper body is equipped with the grid board, and the both sides fixedly connected with of grid board is equipped with the through -hole with the pivot of buckle cooperation use, the upper end of hopper body, and it has " T " shape gag lever post to peg graft in the through -hole, and just " T " shape gag lever post lies in the top of grid board. The utility model discloses a simple structure has solved that cement pump truck feeding hopper easily blocks up among the prior art, feeding inefficiency scheduling problem.

Agitator used in concrete pump is operated by hydraulic motor or electric motor wherein both are operated electrically. In hydraulic motor, there is a chance of fluid leak and need maintenance. Moreover, high power motor is required to operate agitator, feeding screw or blade and for the same operator has to give additional power to the motor which laid down towards worthless use of electricity and it is major disadvantage. Further, some prior arts disclose, agitator are powered by direct engine of the vehicles wherein continues running of the engine laid down more consumption of fuel due to forced concrete movement.

Accordingly, there is a need for equipment for simply and rapidly dispensing cement to the bottom of the feeding bowl. Detailing of the present invention is described into further specification.

SUMMARY OF THE INVENTION:
The present invention solves above problems by providing a concrete feeding bowl wherein the mixed liquid concrete flow automatically towards the bottom of bowl and control the flow of liquid concrete.

The principal object of the present invention is to provide a feeding bowl wherein a flow of mixed liquid concrete concentrate at the bottom of bowl without applying any external force by mechanical components.

One of the objects of the present invention is to provide a feeding bowl wherein mixed liquid concrete concentrate at the bottom of bowl by means of natural force only.

One of the objects of the present invention is to provide a feeding bowl wherein upper half of the said bowl control the flow of mixed liquid concrete.

One of the objects of the present invention is to provide a feeding bowl wherein lower half of the said bowl provide direction and free flow to the mixed liquid concrete to concentrate at the bottom of said bowl.

Another object of the present invention is to provide a feeding bowl wherein quadrangle chute plates are mounted on the main frame of a said bowl for providing free flow to a mixed liquid concrete.

One of the objects of the present invention is to provide a feeding bowl wherein lower half of the said bowl concentrate the mixed liquid concrete at the bottom of said bowl from where mixed liquid concrete has been drawn by concrete pump.

One of the objects of the present invention is to provide an anti-sticking feeding bowl means. The said bowl having less surface tension force is able to provide free flow to concrete.

One of the objects of the present invention is to provide a feeding bowl with minimum bottom residual material.

Another object of the present invention is to provide a feeding bowl wherein power is saved at the time of ideal concrete.

One of the objects of the present invention is to provide a feeding bowl wherein said plates are surface finished, which reduces surface friction.

BRIEF DESCRIPTION OF THE DRAWINGS:
The objects, features and advantages of the invention will best be understood from the following description of various embodiments thereof, selected for purposes of illustration, and shown in the accompanying figures.

Figure 1. Illustrate front view of a feeding bowl.
Figure 2. Illustrates rear view of a feeding bowl.
Figure 3. Illustrates exploded view of feeding bowl.
Figure 4. Illustrates arrangement of quadrangle chute plates of lower half of said bowl.
Figure 5. Illustrates cross-sectional view of lower half of sail bowl.
Figure 6. Illustrates a smoothly flow of mixed liquid concrete into lower bowl.
Figure 7. Illustrates Acute Quadrangle Chute Plate.
Figure 8. Illustrates Obtuse Quadrangle Chute Plate.
Figure 9. Illustrates Conical Chute Plate.
Figure 10. Illustrates arrangement of Quadrangle Chute Plate with base plate.
Figure 11. Illustrates Right Quadrangle Chute Plate.
Figure 12. Illustrates 3-Sides Equal Quadrangle Chute Plate.
Figure 13. Illustrates upper half of the feeding bowl and isosceles quadrangle chute plate.
Figure 14. Illustrates arrangement of quadrangle chute plates of lower half of said bowl with frame.
Figure 15. Illustrates inclination angle between Acute Quadrangle Chute Plate and Obtuse Quadrangle Chute Plate.
Figure 16. Illustrates inclination angle between Right Quadrangle Chute Plate and 3-Sides Equal Quadrangle Chute Plate.
Figure 17. Illustrates arrangement of quadrangle chute plates of lower bowl with angles.

DETAILED DESCRIPTION OF THE INVENTION:
The word “Feeding Bowl” is disclosed as an introducing container used in mobile concrete pump system, wherein mixed liquid concrete is introduced into a bowl from where mixed liquid concrete is being pumped.

The word “Natural Force” is described in the present invention as a gravitational force. It is a force that attracts any two objects with mass. In the present invention natural force acts on to the mixed liquid concrete, in result mixed liquid concrete flows towards the bottom of the said bowl.

The word “Mixed Liquid Concrete” is describe in the present invention as a mixture of elements that are natural materials such as limestone, clay, sand and/or shale. When cement is mixed with water, it can bind sand and gravel into a hard.

The word “Chute” is defined as a slopping channel or slide for conveying things to a lower level.

The present invention solves problems such as use of agitator, feeding screw, blade, etc., which needs more power and electricity, which lowers down worthless use of electricity and it is major disadvantage. Moreover, if agitator is powered by direct engine of the vehicles wherein continues running of the engine lay down more consumption of fuel due to forced concrete movement. So, the present invention solves problems of prior art by providing a concrete feeding bowl wherein the mixed liquid concrete automatically flow towards the bottom of bowl and control the flow of liquid concrete.

The principal embodiment of the present invention is to provide a feeding bowl wherein a flow of mixed liquid concrete concentrate at the bottom of bowl without applying any external force by mechanical components. A feeding bowl provided by the present invention having modified and efficient design for providing free flow of mixed liquid concrete. The major advantage of the present invention is no use of any mechanical component or equipment to apply external force for transferring mixed liquid concrete and due to this reason, no more consumption of electricity as well as fossil fuel.

One of the embodiments of the present invention is to provide a feeding bowl wherein mixed liquid concrete concentrate at the bottom of bowl by means of natural force only.

One of the embodiments of the present invention is to provide a feeding bowl wherein upper half of the said bowl controls the flow of mixed liquid concrete. The upper half of the bowl consisting of more than one isosceles quadrangle chute plates, the inclination of said chute plate control the flow of mixed liquid concrete coming from mobile mixture truck by means of less inclination of said chute plates having more surface tension. The surface tension force provided by chute plates on to the mixed liquid concrete slow down velocity and controls flow. An isosceles trapezoid is a trapezoid where the base angles have the same measure.

One of the embodiments of the present invention is to provide a feeding bowl wherein lower half of the said bowl provide direction and free flow to the mixed liquid concrete for concentrating at the bottom of said bowl. After controlling flow of mixed liquid concrete, the lower half of said bowl provides a direction to the mixed liquid concrete and concentrate said concrete to the bottom of bowl. Lower half of the said bowl consisting of plurality of acute quadrangle chute plates, right quadrangle chute plates, 3 side equal quadrangle chute plates and obtuse quadrangle chute plate. Said plates are arranged in an inclined manner so that it provide smooth flow and proper direction to the mixed liquid concrete.

An acute quadrangle chute plate have two adjacent acute angles on its longer base edge. A right quadrangle chute plates have two adjacent right angles. 3 side equal quadrangle chute plates have same three sides of same length. Obtuse quadrangle chute plates have one acute and one obtuse angle on each base edge.

Another embodiment of the present invention is to provide a feeding bowl wherein quadrangle chute plates are mounted on the main frame of a said bowl for providing free flow to a mixed liquid concrete.

One of the embodiments of the present invention is to provide a feeding bowl wherein lower half of the said bowl concentrate the mixed liquid concrete at the bottom of said bowl from where mixed liquid concrete is drawn by concrete pump. Concrete pump consisting of two-piston cylinder arrangement wherein one piston drawing mixes liquid concrete into cylinder from said bowl at the same time the other one simultaneously pushes its mixed liquid concrete out into the discharge pipes.

One of the embodiments of the present invention is to provide an anti-sticking feeding bowl means. The said bowl having less surface tension force is able to provide free flow to concrete. An anti-sticking feeding bowl consisting of plurality of quadrangle chute plates, which are surface finished and provide anti-sticking property to the said bowl. The mixed liquid concrete flows very smoothly and does not stick on plurality of quadrangle chute due to anti-sticking properties of feeding bowl.

One of the embodiments of the present invention is to provide a feeding bowl with minimum bottom residual material. The conical chute plate is gradually inclined towards the base plate so that mixed liquid concrete flows towards said base plate and pump can easily draw into a cylinder.

Another embodiment of the present invention is to provide a feeding bowl wherein power is saved at the time of ideal concrete.

One of the embodiments of the present invention is to provide a feeding bowl wherein said plates are surface finished, which reduces surface friction.

Figure 1 and Figure 2 of the present invention discloses front view and rear view of a feeding bowl 100 wherein feeding bowl is separated in upper half 200 and lower half 300. The upper half 200 of feeding bowl 100 controls the flow of mixed liquid concrete and the lower half 300 of said bowl 100 concentrate the mixed liquid concrete at the bottom of said bowl 100 from where mixed liquid concrete is drawn by concrete pump [not shown]. Height adjustable support member 30 attached at the bottom of said bowl 100, which provides support to the feeding bowl 100 at the time of operation. Stiffener 40 increases shear capacity of said bowl 100 so that reaction force is distributed all over the tension components equally. The, flange 10 is provided for connection between upper half 200 and other mechanical components used in concrete pump. The upper half 200 of said bowl 100 and lower half 300 of said bowl 100 is connected by means of flange 20 with help of any conventional method. The discharge hole 50 is provided to evacuate pumped mixed liquid concrete and convey. The inlets 60 and 60’ are provided to draw mixed liquid concrete into the cylinder connected to the same inlets 60 and 60’.

Figure 3 of the present invention discloses exploded view of feeding bowl 100 wherein the upper half 200 of said bowl 100 and lower half 300 of said bowl 100 is connected by means of flange 20 with help of any conventional method. The discharge hole 50 is provided to evacuate pumped mixed liquid concrete and convey. The inlets 60 and 60’ are provided to draw mixed liquid concrete into the cylinder connected to the same inlets 60 and 60’. Height adjustable support member 30 attached at the bottom of said bowl 100, which provides support to the feeding bowl 100 at the time of operation. Stiffener 40 increases shear capacity of said bowl 100 so that reaction force is distributed all over the tension components equally. The flange 10 is provided for connection between upper half 200 and other mechanical components used in concrete pump. The upper half 200 of said bowl 100 and lower half 300 of said bowl 100 is connected by means of flange 20 through any conventional method.

Figure 4 of the present invention discloses arrangement of quadrangle chute plates of lower half 300 of said bowl 100 wherein acute quadrangle chute plates A and A’ are mounted on the top of lower half 300 of the feeding bowl 100. Sides A1 and A1’ of acute quadrangle chute plates A and A’ are connected to sides B3 and B3’ of the obtuse quadrangle chute plate B and B’ with an inclination angle AB’ of 1600 to 1650. The conical chute plate C is mounted centrally on the main frame. The angle C’ of conical chute plate C is in the range between 1500 to 1550.

Figure 5 of the present invention illustrate cross-sectional view of lower half 300 of said bowl 100 wherein the upper half 200 of said bowl 100 and lower half 300 of said bowl 100 is connected by means of flange 20 with help of any conventional method. Acute quadrangle chute plates A and A’ are mounted on the top of lower half 300 of the feeding bowl 100. Sides A1 and A1’ of acute quadrangle chute plates A and A’ are connected to sides B3 and B3’ of the obtuse quadrangle chute plate B and B’ with an inclination angle AB’ of 1600 to 1650. The conical chute plate C is mounted centrally on the main frame. The angle C’ of conical chute plate C is in the range between 1500 to 1550. Stiffener 40 increases shear capacity of said bowl 100 so that reaction force distributed all over the tension components equally.

Figure 6 of the present invention discloses a smooth flow of mixed liquid concrete into lower bowl 300 wherein mixed liquid concrete enters into upper half 200 of said bowl 300. The upper half 200 of the said bowl 100 controls the flow of mixed liquid concrete. The upper half 200 of the bowl 100 consisting of more than one isosceles quadrangle chute plates E [E1, E2, E3, E4, E2’, E3’] the inclination of said chute plate control the flow of mixed liquid concrete coming from mobile mixture truck by means of less inclination of said chute plates having more surface tension. The surface tension force provided by chute plates on to the mixed liquid concrete slow down velocity and controls flow. Acute quadrangle chute plates A and A’ are mounted on the top of lower half 300 of the feeding bowl 100. Sides A1 and A1’ of acute quadrangle chute plates A and A’ are connected to sides B3 and B3’ of the obtuse quadrangle chute plate B and B’ with an inclination angle AB’ of 1600 to 1650. A’ in the range of 1100 to 1400 but preferable range is 1200 to 1290 with imaginary horizontal line X3 and obtuse quadrangle chute plate B inclined at an angle B’ in the range of 200 to 500 but preferable rang is 300 to 390 with an imaginary line X3. The imaginary line X3 is parallel with surface of ground. The conical chute plate C is mounted centrally on the main frame. The angle C’ of conical chute plate C is in the range between 1500 to 1550. Due to arrangement of lower half 300 of the said bowl 100, the mixed liquid concrete concentrate at the bottom of said bowl from where mixed liquid concrete is drawn by concrete pump. Concrete pump consisting of two-piston cylinder arrangement wherein one piston drawing mixes liquid concrete into a cylinder from a said bowl at the same time the other one simultaneously pushes its mixed liquid concrete out into the discharge pipes. Moreover, arrangement of a feeding bowl 100 consisting of minimum bottom residual material due to the conical chute plate C is gradually inclined towards the base plate D so that mixed liquid concrete flows towards said base plate and pump can easily draw into a cylinder.

Figure 7 of the present invention discloses acute quadrangle chute plate A having four side said A1, A2, A3 and A4. Moreover, acute quadrangle chute plates A consisting of four angles between each adjacent side said a first angle is in between A1 and A2; a second angle is in between A2 and A3; a third one is between A3 and A4 and last one is between A4 and A1. The present invention provides a feeding bowl 100 wherein an acute quadrangle chute plates A consisting of two adjacent acute angles said a’ and a” on its longer base A1.

Figure 8 of the present invention discloses obtuse quadrangle chute plate B having four side said B1, B2, B3 and B4. Moreover, obtuse quadrangle chute plates A consisting of four angles between each adjacent side said a first angle is in between B1 and B4; a second angle is in between B1 and B2; a third one is between B2 and B3 and last one is in between B3 and B4. The present invention provides a feeding bowl 100 wherein an obtuse quadrangle chute plate B consisting of one acute angle b” and one obtuse angle b’ on each base edge. Figure 9 of the present invention discloses a conical chute plate C comprising a larger angle C2 is in range between 1400 to 1700 but preferable range is 1500 to 1600 and smaller angle C1 is in range between 150 to 350 but preferable range is 200 to 290 at least one edge of said conical plate C.

Figure 10 of the present invention illustrate arrangement of base plate D with a right quadrangle chute plates F & F’ and 3 side equal quadrangle chute plates G & G’. A right quadrangle chute plates F & F’ are connected vertically with flange 20 by means of edge F1 & F1’ [not shown]. Further, a right quadrangle chute plates F & F’ and 3 side equal quadrangle chute plates G & G’ are connected with each other.

Figure 11 discloses right quadrangle chute plate F having four side said F1, F2, F3 and F4. Moreover, right quadrangle chute plate F consisting of four angles between each adjacent side said a first angle is in between F1 and F4; a second angle is in between F1 and F2; a third one is between F2 and F3 and last one is in between F3 and F4. The present invention provides a feeding bowl 100 wherein right quadrangle chute plate F consisting of two adjacent right angles said f’ & f”. Figure 12 of the present invention discloses 3-side equal quadrangle chute plate G having four side said G1, G2, G3 and G4 wherein G1, G2 and G3 are equal in length.

Figure 13 discloses upper half 200 of the feeding bowl 100 and isosceles quadrangle chute plate E wherein plurality of isosceles quadrangle chute plate E is connected in series by means of one of its edge as show E1, E2, E2’, E3, E3’ & E4. An isosceles quadrangle chute plate E having four side said E1”, E2”, E3” and E4”. Moreover, isosceles quadrangle chute plate E consisting of four angles between each adjacent side said a first angle is in between E1” and E2”; a second angle is in between E2” and E3”; a third one is between E3” and E4”and last one is in between E4” and E1” wherein E” & E’ have the same measure.

Figure 14 of the present invention discloses arrangement of quadrangle chute plates of lower half 300 of said bowl 100 with frame wherein mixed liquid concrete enters into upper half 200 of said bowl 300. The upper half 200 of the said bowl 100 controls the flow of mixed liquid concrete. The upper half 200 of the bowl 100 consisting of more than one isosceles quadrangle chute plates E [E1, E2, E3, E4, E2’, E3’] the inclination of said chute plate control the flow of mixed liquid concrete coming from mobile mixture truck by means of less inclination of said chute plates having more surface tension. The surface tension force provided by chute plates on to the mixed liquid concrete slow down velocity and control flow. Acute quadrangle chute plates A and A’ are mounted on the top of lower half 300 of the feeding bowl 100. Sides A1 and A1’ of acute quadrangle chute plates A and A’ are connected to sides B3 and B3’ of the obtuse quadrangle chute plate B and B’ with an inclination angle AB’ of 1600 to 1650. The conical chute plate C is mounted centrally on the main frame. The angle C’ of conical chute plate C is in the range between 1500 to 1550. Due to arrangement of lower half 300 of the said bowl 100, the mixed liquid concrete concentrate at the bottom of said bowl from where mixed liquid concrete is drawn by concrete pump. Concrete pump consisting of two-piston cylinder arrangement wherein one piston drawing mixed liquid concrete into a cylinder from a said bowl at the same time the other one simultaneously pushes its mixed liquid concrete out into the discharge pipes. Moreover, arrangement of a feeding bowl 100 consisting of minimum bottom residual material due to the conical chute plate C is gradually inclined towards the base plate D so that mixed liquid concrete flows to wards said base plate and pump can easily draw into a cylinder.

Figure 15 of the present invention discloses inclination angle between acute quadrangle chute plate A and obtuse quadrangle chute plate B, wherein acute quadrangle chute plate A and obtuse quadrangle chute plate B are connected by means of edges A1 & B3 and acute quadrangle chute plate A inclined at an angle A’ in the range of 1100 to 1400 but preferable range is 1200 to 1290 with imaginary horizontal line X3 and obtuse quadrangle chute plate B inclined at an angle B’ in the range of 200 to 500 but preferable rang is 300 to 390 with an imaginary line X3. The imaginary line X3 is parallel with surface of ground.

Figure 16 discloses inclination angle between right quadrangle chute plate F and 3-sides equal quadrangle chute plate G wherein right quadrangle chute plate F and 3-sides equal quadrangle chute plate G are connected by means of edges F3 & G2; and right quadrangle chute plate F is perpendicular f’ to the imaginary line X2 which is parallel with ground surface and 3-sides equal quadrangle chute plate G is connected with said plate F and made an angle g’ in the range of 450 to 650 but preferable range is 500 to 600 with said imaginary line X2.

Figure 17 of the present invention discloses arrangement of quadrangle chute plates of lower half 300 of said bowl 100 wherein acute quadrangle chute plates A and A’ are mounted on the top of lower half 300 of the feeding bowl 100. Sides A1 and A1’ of acute quadrangle chute plates A and A’ are connected to sides B3 and B3’ of the obtuse quadrangle chute plate B and B’. Moreover, Acute quadrangle chute plate A inclined at an angle A’ in the range of 1100 to 1400 but preferable range is 1200 to 1290 with imaginary horizontal line X3 and obtuse quadrangle chute plate B inclined at an angle B’ in the range of 200 to 500 but preferable rang is 300 to 390 with an imaginary line X3. The imaginary line X3 is parallel with surface of ground. The conical chute plate C is mounted centrally on the main frame wherein an larger angle C2 is in range between 1400 to 1700 but preferable range is 1500 to 1600 and smaller angle C1 is in range between 150 to 350 but preferable rang is 200 to 290 at least one edge of said conical plate C.
,CLAIMS:[CLAIM 1] The feeding bowl 100 for concrete pumping system comprises of;

A. Upper half 200 comprises more than one isosceles quadrangle chute plates E [E1, E2, E3, E4, E2’, E3’] arranged in a close formation connected with adjacent said isosceles quadrangle chute plate;

B. Lower half 300 comprises of;

a. acute quadrangle chute plates A & A’ comprises:
i. acute quadrangle chute plates A & A’ are connected with obtuse quadrangle chute plates B & B’ respectively;
ii. acute quadrangle chute plates A & A’ inclined at an angle a’ in the range of 1200 to 1290 with imaginary horizontal line X3;
b. obtuse quadrangle chute plate B & B’ comprises:
i. obtuse quadrangle chute plate B & B’ is connected with acute quadrangle chute plate A & A’ respectively;
ii. obtuse quadrangle chute plate B & B’ inclined at an angle b’ in the range of 300 to 390 with an imaginary line X3;
c. a conical chute plate C comprises a larger angle C2 is in range between 1500 to 1600 and smaller angle C1 is in range between 200 to 290 at least one edge of said conical plate C with respect to imaginary line X4;
d. at least one edge of base plate D is connected with a conical chute plate C and at least one edge is connected with three-sides equal quadrangle chute plates G & G’;
e. a right quadrangle chute plates F & F’ comprises:
i. a right quadrangle chute plates F & F’ is connected 3-sides equal quadrangle chute plate G & G’ respectively;
ii. a right quadrangle chute plates F & F’ is perpendicular f’ to the imaginary line X2;
f. 3-sides equal quadrangle chute plates G & G’ comprises:
i. 3-sides equal quadrangle chute plates G & G’ are connected with a right quadrangle chute plates F & F’ respectively;
ii. Said 3-sides equal quadrangle chute plates G & G’ inclined at an angle g’ in the range of 500 to 600;
C. Wherein, concrete flows downward by means of natural force.

[CLAIM 2] A feeding bowl 100 for concrete pumping system as claimed in claim 1, wherein the imaginary line X3 is parallel with surface of ground.

[CLAIM 3] A feeding bowl 100 for concrete pumping system as claimed in claim 1, wherein isosceles quadrangle chute plate E consisting of at least four edges wherein two edges are equal in dimensions.

[CLAIM 4] A feeding bowl 100 for concrete pumping system as claimed in claim 1, wherein an acute quadrangle chute plates have two adjacent acute angles on its longer base edge.

[CLAIM 5] A feeding bowl 100 for concrete pumping system as claimed in claim 1, wherein obtuse quadrangle chute plates have one acute and 1 obtuse angle on each base edge.

[CLAIM 6] A feeding bowl 100 for concrete pumping system as claimed in claim 1, wherein a right quadrangle chute plates have two adjacent right angles.

[CLAIM 7] A feeding bowl 100 for concrete pumping system as claimed in claim 1, wherein 3 side equal quadrangle chute plates have same length three sides.

[CLAIM 8] A feeding bowl 100 for concrete pumping system as claimed in claim 1, wherein the mixed liquid concrete automatically flow towards the bottom of bowl and control the flow of liquid concrete.

[CLAIM 9] A feeding bowl 100 for concrete pumping system as claimed in claim 1, wherein a flow of mixed liquid concrete concentrate at the bottom of lower bowl 300 without applying any external force by mechanical components.

[CLAIM 10] A feeding bowl 100 for concrete pumping system as claimed in claim 1, wherein mixed liquid concrete concentrate at the bottom of lower bowl 300 by means of natural force only.

[CLAIM 11] A feeding bowl 100 for concrete pumping system as claimed in claim 1, wherein upper half 200 of the said bowl 100 control the flow of mixed liquid concrete.

[CLAIM 12] A feeding bowl 100 for concrete pumping system as claimed in claim 1, wherein lower half 300 of the said bowl 100 provide direction and free flow to the mixed liquid concrete for concentrating at the bottom of said bowl 100.

[CLAIM 13] A feeding bowl 100 for concrete pumping system as claimed in claim 1, wherein quadrangle chute plates are mounted on the main frame of a said bowl 100 for providing free flow to a mixed liquid concrete.

[CLAIM 14] A feeding bowl 100 for concrete pumping system as claimed in claim 1, wherein lower half 300 of the said bowl 100 concentrate the mixed liquid concrete at the bottom of said bowl from where mixed liquid concrete is drawn by concrete pump.

[CLAIM 15] A feeding bowl 100 for concrete pumping system as claimed in claim 1, wherein said bowl 100 is anti-sticking feeding bowl 100 having less surface tension force able to provide free flow to concrete.

[CLAIM 16] A feeding bowl 100 for concrete pumping system as claimed in claim 1, wherein a feeding bowl 100 with minimum bottom residual material.

[CLAIM 17] A feeding bowl 100 for concrete pumping system as claimed in claim 1, wherein power is saved at the time of ideal concrete.

[CLAIM 18] A feeding bowl 100 for concrete pumping system as claimed in claim 1, wherein said plates are surface finished, which reduces surface friction.