A method for detecting, locating and rectifying localized air leakage in a marine vessel is disclosed. The method comprises mounting an enclosure (100) on the surface of the marine vessel to form an air tight assembly of said enclosure (100) on said surface of the marine vessel to cover the underwater fitting. Furth...

A method for evaluating alignment of a propeller shaft of a marine vessel in a dry dock is disclosed. The method comprises determining a reference axis for afloat condition by simulating alignment in dry dock based on stern drop on slipway due to thermal stresses, induced hull deflections, buoyancy force acting duri...

Disclosed is a device (200) for rolling a flat bar (222). The device (200) comprises a base plate (204). A stud (206) and a nut (208) assembly is configured to be centrally secured to said base plate (204). A handle (212) is configured with a sleeve (214). The said handle (212) is pivotably mounted on said stud (2...

An adjustable gangway wherein the length of the gangway is adjusted based on requirement. The adjustable gangway comprises a central platform (102) and a pair of extendable platforms (104) wherein the pair of extendable platforms (104) are accommodated below the central platform (102) in retracted position. ...

Disclosed is a Power Management System (PMS) for marine vessels, such as ships and submarines. The PMS comprise Remote Terminal Units (RTUs) used as data acquisition units. The RTUs are built in respective Main Switchboards (MSBs), MSB-Distribution Panel, Energy Distribution Centres (EDCs), and Diesel Alternator (DA...

Disclosed is a modular lifting apparatus (200) for a marine vessel (204). The modular lifting apparatus (200) comprises a plurality of transverse girders (106), a plurality of longitudinal girders (104), a plurality of vertical legs (108), a plurality of cradles (102), and a plurality of lifting eyes (202). Further,...

Disclosed is an apparatus (100) for clamping of a pipe (110). The apparatus (100) comprises a clamping device (102), an indexing unit (114), a rotary unit (118), and a height adjustment unit (122). The clamping device (102) comprises an at least one fixed jaw (104) and an at least one movable jaw (106). The pipe (11...

A device 100 for decreasing a space 222 between a girder 210 and a surface 230 on a deck of a marine vessel. The device 100 comprising a horizontal bar 102 and a plurality of vertical bars 104. The horizontal bar 102 is connected to a first ends 106 of the plurality of vertical bars 104. A second ends 108 of the plu...

A milling cut collector structure involves a collector bed for the collection of metal scraps during circumferential machining of frame and web element. A pair of angular curved surface is enclosed by a pair of plain surface mounted to a milling cutter shaft case. A pair of angular assembly are coupled to the pair ...

Disclosed is a marine vessel for shallow water. The marine vessel comprises a hull (102), a deck (104), and a pair steerable rudder propellers (302). Further, the hull (102) has a rectangular cross section at a bow side and a tunnel stern (106) section at a backside of the hull (102). Furthermore, the tunnel stern (...

A fabrication and mounting structure of an antenna room includes a mounting structure assembly. The mounting structure assembly comprises of a top surface, a bottom surface and four inclined walls inclined at a predetermined angle. An array opening fabricated on the mounting structure assembly to assist a radar. Als...

The present disclosure relates to a drilling assembly (100) used in a milling machine for a drilling operation which eliminates an additional drilling machine requirement. The drilling assembly (100) mainly comprises of a base (101), a drilling spindle (102) and a removable drill bit (103). The base (101) of the dri...

Disclosed is an apparatus for drilling an object. The apparatus comprises a spindle, a drill needle, a laser source configured to emit a laser beam. The drill needle coupled to the spindle is configured to drill at a mark, wherein the mark indicates are area etched on the object that is to be drilled. The laser sour...

Disclosed is an apparatus (100) comprising a base plate (106), a frame (110), a locking means (116), a tying element (120), a plurality of hooks (121) and a plurality of fork openings (118). The base plate (106) comprises at least three legs (108) at the bottom of the base plate (106). The frame (110) is made of a p...

Disclosed is a winch (100) to drop an object. The winch (100) comprises a motor (106) with a dual braking system. The dual braking system comprises an electromagnetic brake and a thruster. The winch (100) comprises a drive shaft (104) driven by the motor (106) and a drum (114) with a rope (118). The drive shaft (104...

Disclosed is an assembly unit (200) for shipbuilding, the assembly unit (200) has a deck plate (202) and a holding bracket (102). During assembly, the bulb bar (204) may be inserted into the holding bracket (102) and mounted on the deck plate (202). The holding bracket (102) has a cut-out section that matches a prof...

Disclosed is a rolling machine (100) for bending a plate to form a cylindrical or a pipe like structure by adjusting a pressure on the plate. The rolling machine (100) comprises a frame (102), a primary roller (104), a pair of secondary rollers (106), a sprocket wheel (108), and a primary motor (114). The pair of se...

Disclosed is a system (100) for welding. The system (100) comprises a jig (104). The jig (104) comprises a bar (106). The system (100) further comprises a heater (102). The heater (102) is fitted on the bar (106) by a plurality of fasteners (108). A heating element of the heater (102) is in contact with two or more...

Disclosed is a device (500) for a marine vessel. The device (500) is used for tightening/loosening a nut of a gland in a marine vessel. The device (500) comprises a primary jaw (102) and a secondary jaw (106). The secondary jaw (106) is mounted on the primary jaw (102). Further, the secondary jaw (106) ha...

Disclosed is a fixture (100) with multiple work stations. The fixture (100) comprises a base plate (102) configured to be mounted with a vertical pillar (104). The fixture (100) further comprises at least one sleeve (106) configured to be mounted on said pillar (104). The fixture further comprises at least one z-bra...

Disclosed is a diesel engine compartment door. The diesel engine compartment door (1) comprises a first wheel (2), a second wheel (3), a sheave pin (4), a spline shaft (5) and a dowel pin (8). The sheave pin (4) is configured with external multi-start threads (10). The dowel pin (8) is configured to integrate the sh...

Disclosed is a swiveling lifting lug (1) comprising at least one eye plate (4), at least one cylindrical member (2), plurality of brackets (9) configured to be mounted on the cylindrical member (2) in a predefined manner and at least one plate (8) configured to be mounted on said cylindrical member(2). The eye plate...

Disclosed is a device (100) for simultaneously marking on two sides of a pressure hull (101) on a marine vessel. The device (100) comprises a marking tube (104) inserted in a hole (102) of the pressure hull (101). A first marking arm (106) comprising a first scriber (112) and a second marking (108) comprising a seco...

Disclosed is a pontoon in order to prevent physical damage to a marine vessel (304). In one embodiment, the pontoon comprises a plurality of sidewalls (110), a plurality of reinforcement members (108), a deck (106), a plurality of fenders (202) and a plurality of twin bollards (102). Further, during assembly, the pl...

Disclosed is an apparatus (100) for drilling and spot facing on a gas turbine, the apparatus (100) comprises a machine (102), a drill bit (202), and a grinder wheel (104). The drill bit (202) is coupled to the machine (102), and during operation, the drill bit (202) may drill a hole on a surface of the gas turbine. ...

Disclosed is a pontoon in order to prevent physical damage to a marine vessel (304). In one embodiment, the pontoon comprises a plurality of sidewalls (110), a plurality of reinforcement members (108), a deck (106), a plurality of fenders (202) and a plurality of twin bollards (102). Further, during assembly, the pl...

Disclosed is an offshore vessel (200). The offshore vessel (200) comprises a hull (102), a deck (202), a plurality of fixed fin stabilizers (206), a twin-funnel exhaust, and a plurality of bulkheads (204). The hull (102) has a V cross section at a bow side of the hull (102) and a transom side of the hull (102). Fu...

The present subject matter discloses a portable jig 100 to hold a drilling machine 102. The portable jig 100 comprises of a jig plate 110 to secure the drilling machine 102 and a castle nut 106. The jig plate 110 comprises a side portion 112 configured to receive a tightening bolt 114. The jig plate 110 further comp...

A clamping apparatus for a hollow section comprises at least one elongated body member, a mandrel and a plurality of jaws. The elongated body member comprises a spindle having a tapered front end and a threaded rear end inserted into the mandrel. Further, the plurality of jaws is configured to be inserted on a slot ...

Disclosed is a shaft in a propulsion shafting system for simulation purpose. The shaft comprises a pipe section (704) configured to be stiffened with one or more stiffeners (401) mounted on said pipe section (704) along its length. Further, at least one sleeve (501) is configured to be inserted on said stiffened pip...

A device 100 and a method 500 for innovative launching of a marine vessel 110 is disclosed. The device 100 comprises a forward pontoon 130 attached to a front bottom portion of the marine vessel 110 by a first plurality of brackets 132. The forward pontoon 130 comprises a groove 134 to engage with a bottom surface 1...

Disclosed is a fixture (100) for a web fit-up assembly. The fixture (100) comprises a plurality of slots (102) configured in an arc shape. The plurality of slots (102) are arranged in a circular path and are separated by a pre-defined circumferential distance. Each of the plurality of slots (102) is configured for r...

A system for reaming and honing operation of the holes of the assembly of female soft patch (FSP) and male soft patch (MSP) comprises a reaming and honing machine assembly wherein said reaming and honing machine assembly has spindle assembly mounted on said reaming and honing machine and one support plate (310) and ...

An adjustable shore support bracket consists of an at least one central member, a pair of members and a member mounted on a wooden shore bracket in a shipyard. The pair of member further provided with a left member and a right member welded to the central member. Moreover, an opening is provided on the member to ali...

Disclosed is a fixture (100) for cutting a duct (110). The fixture (100) comprises a table (102), wherein the table (102) is capable to move along an x-axis. The fixture (100) comprises a set of first clamps (106) attached on the table (102), wherein the set of first clamps (106) holds a duct (110). The fixture (100...

Disclosed is a system (100) for generating a virtual representation of an object. The system (100) comprises a module (103) configured to generate a 3-D (Three-Dimensional) representation of an object. The system (100) comprises a server (104) to store the 3-D representation. The system (100) comprises a VR (Virtual...

A device for marking corresponding parallel offset profiles from the profiled edge of a component is disclosed. The device comprises a hand piece (1), a scriber (4) mounted on the hand piece (1), at least one bearing (5) secured to the hand piece (1) and configured to permit movement of the hand piece (1), at least ...

Disclosed is a pontoon (100) for loading and launching of marine vessels, such as ships and submarines. The pontoon (100) comprises ballast tanks (100a, 100b, 100c, 100d) present across entire area of the pontoon (100). A water inlet mechanism (102) may be used for filling water into at least one of the ballast tan...

An apparatus (100) for spot facing of surface and a method of performing spot facing is described. The apparatus (100) comprises a spindle mounting device, a spindle (116) and a cutting tool (200). A tang (102) of the spindle mounting device is fitted in a machine and a stepped flange (108) is configured to hold a ...

OF A MARINE VESSEL Disclosed is a device (100) for marking a circle or a line on a surface (101a, 101b) of a pressure hull (101) on a marine vessel. The device (100) comprises a marking tube (104) configured to pass through a hole (102) of the pressure hull (101). A sliding guide (106) is rotatable about a central ...

Described is an automatic switching over of an air conditioner (AC) to a fan (104). The aforesaid function is achieved by integrating an AC circuit (106) and a fan circuit (108) with help of a relay circuit (110). The relay circuit (110) comprises a relay coil (112) that gets current from an AC circuit (106) for ene...

Disclosed is a lifting arrangement (100) for lifting a single point load using a dual throat hook (302). The lifting arrangement (100) comprises one or more plates (102) which further comprise at least three pinholes (122). The lifting arrangement (100) further comprises at least three pins (110) removably connected...

The lubrication oil system for rocker arm assembly comprises rocker arm (10), RALO (Rocker Arm Lubrication Oil) tank (1), pump (3) and conical seal (12). RALO tank (1) supplies lubrication oil to rocker arm (10) through the pump (3). The conical seal (12) with elastomers is placed at the opening of cylinder head (9)...

Described is an extension device (200) for a machine to improve an accessibility of work. The device (200) is fitted in the tool post (108) of the machine based on requirement. The device (200) comprises an extension bar (202), a strengthening plate (204), a tool holding device (206) and a plurality of vertical memb...

A system for cleaning a heat exchanger (1) is disclosed. The system comprises a heat exchanger (1) configured to transfer heat from a primary fluid circulated through a primary loop to a secondary fluid circulated through a secondary loop. Further, the system comprises a flushing circuit configured to flush highly p...

The present subject matter discloses a rolling system for rolling of flat bar for coaming. The rolling system 100 comprises at least two bottom rollers 304 arranged in a horizontal line, a top roller 302 arranged above the at least two bottom rollers 304, at least one motor 104 to drive a gear box, wherein the gear ...

A sea-tube mounting system comprising at least one sea-tube (102) configured for mounting on the stringer (104), at least one crane (106) configured for lifting of said sea-tube (102) for mounting it from top of the stringer (104) and at least one dummy deck plate (100) configured to be mounted on a stringer (104) f...

The present subject matter discloses a system 100 for cutting the pipe 102. A system 100 comprises at least two side blocks 104 comprising a top opening 108. The system 100 further comprises a middle block 106 comprising the top opening 108, wherein the at least two side blocks 104 and the middle block 106 are confi...

The present invention discloses a modular underwater vehicle (500). The modular underwater vehicle (500) mainly comprises at least one primary load bearing member (302/1, 302/2), plurality of secondary load bearing member (304/1, 304/2, 304/3, 304/4), and a buoyancy member (108). The at least one primary load bearin...

The present invention pertains to a shaft line and steering alignment tool 100 for center lining the machining and alignment axis of the shaft line and steering components of the submarine in which the alignment is provided by using the piano wire. The shaft line and steering alignment tool 100 comprises an upper pl...

The present invention pertains to a modified flexible cable 10 tailored for the remote operation of valves in the submarine. The modified flexible cable 10 incorporates a metal wire rope 20 which is located at the core of the modified flexible cable 10, providing enhanced strength, durability, and versatility. ...

The present invention relates to a tool 10 for measuring frame height of the pressure hull in a submarine. The adjustable frame height gauge 10 is used to measure the height of frames or stiffeners attached to any curved surface. The said adjustable frame height gauge 10 comprises, at least one measuring tool 1; at ...

The present invention relates to a portable fume extraction device 100 for removing hazardous fumes and gases generated during welding or brazing operations inside the workshop and within submarine compartments. The said portable fume extraction device 100 comprises a hollow conical body 11; an air chamber 12 connec...

The present invention relates to a tool holding device for holding reamer tool for reaming taper holes on Thrust shaft of Main Thrust Block (MTB) with Sound Proof Coupling (SPC) paring. The tool-holding device 100 comprises a socket head 10, a holder socket 20 configured to accommodate the socket head 10 and a holde...

Disclosed herein is an alignment tool (100) and method (200) for accurately aligning a stern gland hull sleeve with the submarine axis during submarine construction and maintenance. The alignment tool (100) comprises mild steel U-Channels, angles, plates, and nut bolts, along with four sets of adjustment mechanisms,...

ABSTRACT Disclosed herein is a pressure testing tool and method for evaluating the pressure holding capacity of O-Rings before their installation on-board a submarine. The tool comprises a housing made from S355 NL material, a sealing ring made from 20A8 material, pressure monitoring and control mechanisms, and an...

ABSTRACT Disclosed herein is a specialized tool designed for opening and tightening submarine navigation lights (100). The tool comprises a device constructed from S355 NL material (102), known for its non-corrosive properties and high elasticity, ensuring resilience in harsh marine conditions. Additionally, the t...

ABSTRACT Disclosed herein is a tool and method for pressure testing high-pressure components. The tool comprises a close pressure chamber designed to resemble a submarine's weapon launching tube, equipped with means for simulating high-pressure conditions, testing the water tightness of the pneumatic ram, and ensu...

ABSTRACT Disclosed herein is a cradle (100) for stiffening of GRP panels of submarines along with a corresponding method (200) for enhancing the structural integrity of Glass-Reinforced Plastic (GRP) panels used in submarine construction. The cradle (100) is designed with a telescopic framework offering adjustable...

ABSTRACT Disclosed herein is a portable safety cage (100) designed to ensure the safety of personnel during pneumatic pressure testing procedures in workshops. The portable safety cage (100) comprises a modular double-mesh structure with a frame, a secure locking mechanism, and a compact and foldable design. Its v...

The present invention relates to a secured system as well as a network through which a 3D model of a physical object, such as a ship, can be shared with virtual labs at each end. The system 100 comprises a plurality of input devices, a 3D conversion module, an encoder unit (10A,10B), a decoder unit (20A,20B), and a ...

A digital inspection system for the inspection of the article is disclosed herein. The digital inspection system includes a virtual module adapted for creating a virtual 3D model of the article, a superimposition module adapted to superimpose the virtual 3D module on a physical model with measurement, reporting and ...

The present invention relates to a tool to facilitate assembly and disassembly of ball valve with ease and without any damage to either the ball or the seats, and a method thereof. The said assembly and disassembly tool (10) for ball valve comprises of, a first member (1) which is a cylindrical shaft having a thread...

The present invention relates to a smart touch digital console that can be used in ship launching activities. The smart touch digital console comprises a touchscreen display with a user interface, a microcontroller that is used to process data and manage the user interface, and a control panel is connected to the mi...

The present invention relates to a fire proof electrical distribution box for warships. The said fireproof electrical distribution box (1) comprises, an openable casing (2) with handle (3) and hinges (4); two or more elevated clamping means (5) affixed on said casing (2); a fireproof base plate (6) having plurality ...

The present invention relates to a method that reduces cycle time for shaft sighting by 50 % by installing fixed points (dock points) at the AFT of the ship. The method comprises installing plurality of docking points at the AFT of a last shaft bearing.

The present invention relates to a lapping tool that can improve the geometrical accuracies of cylindrical Jobs and further reduce the cycle time of job manufacturing. the lapping tool 100 comprises a main body 10, a spring mechanism 20 affixed to the main body 10, a first lapping head 30, and a second lapping head ...

The present invention relates to a self-locking power screw jack assembly suitable to handle a heavy gearbox of 70-ton weight for lifting, shifting, and positioning on its foundation top plate. The self-locking power screw jack assembly 100 comprises a power screw 101 having a threaded rod 10 with a screw head 20 po...

The present invention relates to a tool to facilitate cleaning and servicing of fire detector system with ease. Accordingly, the service tool (1) to facilitate cleaning and servicing of fire detector system comprising, a locking means (2) having circular bar with projections (4); and an extendable shaft (3) fastened...

The present invention relates to a trolley 100 that facilitates the accurate placement and alignment of standing or sliding ways on a ship's slipway. The trolley 100 comprises a frame body 10 having a top frame 20, wherein the top frame 20 is configured to receive and support standing and sliding ways and a pluralit...

The present invention relates to a modular tool and handle to facilitate disassembly of pneumatic ram with ease and without any damage. The said pneumatic ram disassembly tool (1) comprises, a circular base ring (2) with threaded holes; plurality of removable inserts (3) mounted on said base ring; and a torquing han...

The present invention relates to an assembly jig for manufacturing of emergency blowing aft ballast tank, which enables to conveniently weld and assemble all the elements of aft ballast tank in longitudinal direction. In a preferred embodiment according to the present invention, the assembly jig comprises plurality ...

The present invention relates to an in-situ tool to facilitate assembly and disassembly of an accumulator bladder on board submarines and ships in hindered places and a method of its operation thereof

The present invention relates to a composite jig fixture for welding of scorpene submarine flange rings and a method of welding scorpene submarine flange ring using the said composite jig fixture. More particularly, the present invention relates to a jig for bevel edge preparation of flange elements and welding of t...

The present invention relates to a water seal trap device for vessels with horizontal side inlet that can act as a barrier to protect the confined space of a vessels from foul odor and gases. The water seal trap maintains a constant water column of 150 mm irrespective of pipe sizes.

The present invention relates to an improved method of sighting keel and draught marking in ships. The method involves determining a geometrical mean of the keel plate 11 thickness across the length of a ship 10, transferring the geometrical mean of the keel plate 11 from aft 10A and fore 10B of the block to a fixed...

Disclosed herein is a system and a method for automated drive control for dock gate operations and valve control is disclosed. The method includes providing an electric motor, a reduction gearbox, two bevel gears, a key material, sixteen nuts and bolts, four angle plates (50*20 mm), a locking hub, and two limit swit...

Disclosed herein is an adjustable clamping tool adjustable clamping tool (100) for holding elbow pipes on a lathe machine chuck is disclosed. The adjustable clamping tool (100) includes a lathe machine attachment part fixable onto a lathe machine. The adjustable clamping tool (100) further includes a clamp part with...

Disclosed herein is a Fuel Cell Electric Vessel (FCEV) for inland waterways that includes a hull structure configured for buoyancy and navigation on inland waterways and at least one hydrogen fuel cell system integrated into the vessel, the fuel cell system configured to convert hydrogen into electrical power for pr...

Disclosed herein is an adjustable probe (100) for insulation measurement of submarine battery bodies and a method (200) for its application in assessing the electrical insulation integrity of submarine batteries. The adjustable probe (100) comprises copper strips, a wooden handle, and a connector at one end. The met...

Disclosed herein is an Amplitude Direction Finding Unit (ADFU) Mast Test Jig (100) and a method (200) for conducting maintenance and repair activities on the ADFU of a Radar Electronic Support Measures (RESM) system. The ADFU Mast Test Jig (100) comprises a structure made of Mild Steel material (102), equipped with ...

The present invention relates to a single isolating switch system 100 for switching ON/OFF all heat generating devices inside galleys comprises a power panel 10, a local control box 20, a plurality of single isolation switch panels(20A,20C), a local indication panel 40, a remote indication panel 50. ...

The present invention provides an apparatus to overcome space and height constraints for lifting the equipment in submarine construction, yet effectively provide a solution to lifting problems. The apparatus comprises at least two parallel arms (1), and at least one joining arm (2) configured to join the parallel ar...

The present invention relates to a liquid supply apparatus. The apparatus helps to transfer liquids including fuels from tankers to a ship. The apparatus comprises a universal threaded portion (1) on one side and a stepped diameter (2) along the length on the opposite side.

The present invention relates to a tri-pin vertical stand, used for weaving monkey fists. The present invention even helps in achieving higher productivity, preferably 2-3 monkey fists per day against the practice of 01 per day. The tri-pin vertical stands comprises a horizontal platform (1); a vertical support (2) ...

The present invention relates to an aft hydroplane ram alignment tool (100) for aligning the centerline of the aft hydroplane ram with respect to the connecting rod when the submarine is in a floating state. The alignment tool comprises a supporting rod (1); a first circular cylinder (2) axially connected to said su...

The present invention pertains to a three point measuring device 10 for measuring the space or surface distortion between two consecutive frames of the pressure hull. The measuring device 10 comprises the vernier caliper 1 coupled to the supporting pipe 2 through the tightening clamp 3 and first circular clamp 4A, s...

The present invention pertains to a portable enclosure arrangement 1 to facilitate regular functional trails of open impeller type salvage pump 8 fitted on-board machinery compartments. The portable enclosure arrangement 1 mainly comprises a fixed member 2, a portable member 3, and a by-pass line 4. The fixed member...

The present invention pertains to a hooter alarm system 10 for detecting a short circuit. The hooter alarm system 10 comprises a circuit breaker 1, an auxiliary contact 4 includes normally closed (NC) contact 4A and normally open (NO) contact 4B, a hooter alarm 6, a red indicator light 7, and a green indicator light...

The present relates to a submarine alignment telescopic tool 10 to assist in aligning the submarines to the dock with ease. The submarine alignment tool 10 according to the present invention comprises at least two ropes A, at least two plums B, a square channel C, at least two telescopic rods D, at least two wooden ...

Disclosed herein is lifting tool (100) for a submarine shaft line nut that includes an MS structural frame (body) configured to provide structural support and stability to the lifting tool during operation. The lifting tool (100) further includes a stud attached to the MS structural frame, serving as a connection po...

Disclosed herein is a tool (100) for tightening and loosening fasteners. The tool (100) comprising a handle and a base, the handle further comprising a holder 102 and a pipe connector 104 and the base further comprising a flat connector 106 and a flat ring comprising a polygonal aperture 108. The said pipe connect...

The present invention pertains to a protection cover 10 designed to protect electromagnetic (EM) log sensors during submarine towing operations. The protection cover 10 comprises a cage-shaped structure 1 formed by a plurality of rods 2 arranged both horizontally and vertically. The protection cover 10 is used to en...

The present invention relates to a position extremity indicator guard for rudder, stern hydroplane and propeller of submarines in floating as well as in docked condition; and to protect the rudder, stern planes from first line of impact. The said guard (100) for indicating the position extremities of a floating subm...

The present invention pertains to a welding demonstration table 10 comprises a welding table 1, an adjustable vertical pole 3, and a hemispherical screen glass dome structure 4 supported by the adjustable vertical pole 3. The welding demonstration table 100 is adjustable, movable, and portable, offering flexibility ...

The present invention relates to a jig for maintenance, repair, and testing of Search Optronic Mast (SOM) in submarines. The said test jig (10) for search optronic mast in submarines, mainly comprises, a SOM support tube (3); at least one nitrogen scavenging hole (2) provided on said SOM support table (3); a fitting...

The present invention pertains to a single-running cable system 10 for submarines. The single-running cable system 10 comprises a continuous cable 1 with a cable tag 2. The single-running cable system 10 utilizes a continuous cable 1 configuration, eliminating weak points associated with the cable joint 20 and enhan...

The present invention relates to a tool for opening and/or tightening navigation lights in submarines. The tool 10 comprises a plurality of support legs 1A, 1B, 1C, a circular plate 2, a plurality of fasteners 3, a pair of handles 4 and a pair of hinges 5. The tool 10 ensures a secure and watertight seal for navigat...

The present invention relates to a portable fume extractor 100 designed for use in the shipbuilding industry which efficiently removes the hazardous gases and fumes generated during various operations such as welding, cutting, and grinding. The portable fume extractor 100 includes an outer body 1 with an upper porti...

The present invention relates to a jig 10 for the manufacturing of a T-cross-section of circular frames for small submarines and facilitating precise alignment and welding of web and flange elements while effectively preventing distortion during the manufacturing process. The jig 10 consists of a ring-shaped plate 1...

The present invention relates to an insulating hexagonal bolt opener tool 10 designed for safe and efficient use in the intricate environment of submarine construction and repair. The tool 10 comprises an insulating cylindrical body 1, a handle 2, an upper end 3, and a lower end 4. The tool 10 aims to enhance safety...

The present invention relates to a cradle for high precision joining of circular sections and transportation of submarines from one location to another. The said cradle (100) for joining submarine sections and transporting submarines, comprising, an axial adjustment mechanism (1) having a plurality of lifting jacks ...