This invention relates to a single lane portable steel bridge and in particular, this invention relates to a single lane portable steel bridge having a standard width or extra wide with steel deck units. This invention relates to a single lane portable steel bridge which is ready to assemble/dismantle a steel bridge...

The present invention relates to a steel bridge having a single or double lane carriageway. More particularly, the present invention relates to a construction of single lane or double lane portable steel bridge. Furthermore, this invention also relates to a steel bridge having a single or double lane carriageway,...

Heretofore timber decking was being used in making single lane portable steel bridge, popularly known as Bailey bridge. Such bridges were used and erected by various agencies like Indian Army, Border Security Force, Indo-Tibetan Border Authorities and so on, to name just a few, in remote areas, particularly in hilly...

To develop a special JIG arrangement for welding of actuator seat plates for alignment of steering gear acutuator with tiller.

Therefore such as herein described there is provided a stowage arrangement for shoring beams comprising of a doubler plate; two Locking plates including hole and bell- curve groove on opposite ends; angles with a plurality of bolt, nuts, butterfly nut and washer; two Locking plates on either sides of the shoring ...

Therefore, attached herein, aleak-proof joinery arrangement for modular compartments with a coaming placed on the exterior of the compartment's boundary, an array of angles fixed to the inner wall of the coaming, at intervals, a perforated bottom profile used for support the panel & to drain the water settling on...

A profile / flange bending fixture capable of bending stadium/ capsule shape coaming in single piece comprising of a level platform flatbed is prepared at a height of 1200 mm with a Capsule/ Stadium shape is marked on said flatbed; two semi-circular plates mounted over the said flatbed as per said marking with centr...

The present invention relates to a pre-engineered modular construction of "Half Through Type" modular rigid truss bridge. More particularly, the present invention relates to building a bridging and/or support structure and/or portable roadway, in particular for constructing a corrosion free, pre-fabricated modula...

The present innovation relates to a Quick acting mechanism for securing and dismantling bilge plates. More particularly, the present innovation relates to a Quick acting mechanism for securing and dismantling bilge plates used in catwalk assembly for safe passage over the pipelines and other deck obstructions in mac...

This innovation relates to a re-usable fixture which can be used to support the impeller shafts of water jets to avoid the overhung self-weight of the impeller shaft causing any damage to the water jet marine bearings. 1. After installation of water jets on-board vessels prior to launching, the impeller shafts n...

The present invention relates to design modifications & its successful implementation in Landing Craft Utility (LCU MKIV) Vessel. These innovations relate to mitigation of severe aeration by an Inverted Spray Rail configured for obstructing bubbles from flowing down the hull by diverting the same towards the sides o...

A turn table for checking undulation of a seat rotatably supported on a turn table structure plate, a lower segment plate and an upper segment plate with a top plane connected wih a central shaft, a rotary drive means for rotating the turntable including bearings at lower and upper half and a sleeve bearing confi...

In the event of chockfasting in overhead position air escape plays a crucial role as chockfast filling from the bottom all the air will escape from the top hole and allows chockfast to fill up to the top surface. While doing chockfast with out air escape hole, which can not be provided as S.S inserts are on top t...

An Auto Catch mechanism for securing the hatch cover at any angle lesser than 90 degree, comprising of a hatch stopper secured to holder lug base plate by means of holder lugs, a compression spring along with a split pin and spring cover having groove for smooth movement for split pin, an back support arrangement wi...

A bilge water removal kit comprising of a vacuum cleaner with two ports, namely, one suction port and other transfer port; an isolation valve; a water storage drum having a pump mounted on top; a water hose stowage arrangement made above the storage drum; wherein the said isolation valve is fitted in the transfer po...

An arrangement for launching of ship constructed on inclined slipway by floating out in natural tide comprising of an inclined slipway, along which the said ship being launched at designed location and orientation; with a supporting system, preferably wooden, consisting of dock blocks, shore supports, additional sup...

Therefore such as herein described, there is provided A method for plate fixation arrangement (fabrication) on skid which make the outer hull of the ship comprising the steps like : at first the channels are tack welded to plate on ground in desired locations. Then angles are tack welded in the same location but ...

The present innovation relates to development of new process of spot facing of various sizes with single spot facing attachment fitted with magnet base drill machine.

DEVELOPMENT OF DETACHABLE PLATE LEVELERS FOR SHELL AND DECK PLATE JOINING AND ALIGNMENT A detachable plate leveller (alignment tool) for shell and deck plate joining and alignment in hull fabrication shop during critical block fabrication of ship shown comprising of a 04 mm thick rectangular plate (Ite...

A prefabricated modular through type walkway assembly attachment on single or double lane modular truss bridge system constructed of parallel extended footwalk bearer, side-by-side along the longitudinal plurality of heavy duty crosswise lateral load bearer-transom assembled two per module on the truss of the bridge...

Therefore such as herein described there is provided a process of execution of a block alignment comprising the steps of Measuring the overall length, marking the green to be cut; Cutting & removal of the green material; Tightening the bottle screws & positioning the block; Measuring the overall legth & check the ov...

Therefore such as herein described there is provided an improved arrangement for reaming operation in horizontal plane for Bow ramp of vessels comprising of a jig fixture and ajig holding bar ; a taper bush and a guide bush; and a threaded spindle and a feeding nut wherein a frame of a reamer jig, comprising an elon...

A Lifting and Lowering mechanism for Jack Staff comprising of a steering wheel, a Worm shaft and Worm wheel to transfer the rotational movement from one axis to another axis, a main shaft attached with Jack Staff by bearings, numbers of gears and pinions to scale down the torque in the mechanism created by heavily ...

This innovation relates to a quick opening (quarter turn) flush type emergency escape scuttle without hinge to be used on decks of ship, and more particularly to enable opening from either side of the deck. All ships built to date before this did not have such provision to rescue personnel trapped underneath deck us...

The present Invention relates to Cable Gripper for Bailey Type Suspension Bridge and more particularly safe gripping and locking arrangement for Ø24mm Steel Wire Rope (SWR) under tension, used in Bailey Type GRSE Suspension Bridge as Main-Cable by using a Cable Gripping System having tapered bore to grip the passing...

The invention relates to a pre-engineered modular construction of "Deck Type" light weight (portable) assault truss bridge. More particularly, the present invention relates to building a bridging and/or support structure and/or portable roadway, in particular for constructing a lightweight, corrosion free, pre-fabri...

The present invention discloses a helicopter connecting gear for rail less helicopter traversing system. In the event of towing the ALH inside the hangar and to traverse the same out of the hangar for exit operation of the ALH the invention of HCG has resolved longstanding requirement for a suitable HCG towards usag...

METHOD FOR CARRYING OUT BUTT WELDING OF BULB SECTIONS OF DMR 249A A method for carrying out butt welding of bulb sections of DMR 249A material using Ceramic Back Strip (CBS) by Flux Cored Arc Welding (FCAW) including a ceramic base in the centre of groove joint comprising the steps of preparing the free edges of bu...

PORTABLE FIXTURE FOR TANK / COMPARTMENT ISOLATION IN SHIPS A Portable Fixture for tank / compartment isolation required for Air Pressure Testing (APT) during the manufacture of ship / vessel comprising of a steel disc, a stud, a neoprene rubber gasket, a spacer and a nut, a fitment for closing the opening hole, whe...

attached separately

ATTACHED SEPARATELY

A multi-usable Fixture for tank/compartment isolation required for Air Pressure Testing (APT) during the manufacture of ship/vessel comprising of a steel disc, a stud, a neoprene rubber gasket, a spacer and a nut, a fitment for closing the opening hole, wherein - one end of stud is fixed with the disc centre and ...