Abstract: An aircraft airfoil disclosed herein has a forward skin structure at least partially defining a leading edge of the airfoil and an aft skin structure at least partially defining a trailing edge of the airfoil. At least one of the forward skin structure and the aft skin structure is movable relative to the other of the forward skin structure and the aft skin structure between a closed position, in which at least one thrust fan positioned between the leading edge and the trailing edge is at least partially covered, and an open position, in which the at least one thrust fan is less covered than in the closed position.

Abstract: The disclosure generally relates to an exemplary enclosure that can house an electrical network protection element and provide protection to the electrical network protection element against damage in various environments such as when the enclosure is placed in an underground vault that may be flooded during rain, or when a liquid (oil, for example) comes in contact with the enclosure. The enclosure includes a flange attached to the housing and two doors that are hingeably attached to the flange. A wedge projection is provided along the perimeter of the flange and a gasket is provided on three outer edges of each door. The gasket sealingly receives the wedge projection of the flange when the doors are closed. The first door further includes a beveled inner edge that sealingly mates with a gasket in a complementary beveled inner edge of the second door when the doors are closed.

Abstract: A bulwark terrace with integrated door is provided; the bulwark terrace may be a portion of a bulwark on a ship or yacht that is hinged so as to be able to fold outwards and downwards and be flush with the deck after doing so, thereby extending the deck surface. The bulwark terrace may also include a door that may open independently of the bulwark terrace to allow boarding of the yacht or ship through the bulwark without deploying the bulwark terrace.

Abstract: A modular latch system has an activation module comprising an activation rod, a latch module comprising a biased latch, and a control cable connecting the activation module to the latch module so that rotation of the activation rod can retract the latch.

Abstract: A watertight door or window comprising a frame and a leaf mounted on the frame and arranged movably with respect thereto between an open position and closed position, and further comprising: a striker element arranged on the leaf, a locking element arranged on the frame and provided with a hook end designed to engage with the striker element so as to lock the leaf against the frame following closing of the leaf, and a striker actuating mechanism arranged on the leaf and able to be actuated when the leaf is in a closed position and the locking element is engaged with the striker element. The actuating mechanism is provided for releasing the striker element from a closed position, where the striker element is positioned inside a recess in the hook end of the locking element, to an open position, where the striker element is extracted from the recess in the hook end of the locking element. The actuating mechanism can be reset when the leaf is closed again.

Abstract: A crew boat for transporting personnel to and from an offshore platform is equipped with a passenger capsule and a basket-like cradle, which retains the passenger capsule adjacent a passenger deck during the voyage. The passenger capsule forms a watertight enclosure, which can serve as a life raft in emergency. The passenger capsule is equipped with its own automated heave compensation system, power supply, and stabilization means. The passenger capsule is equipped to be lifted and lowered onto the cradle using platform-mounted cranes.

Abstract: A storage system comprises a storage compartment having a compartment door, a plurality of latches for latching the door, a plurality of slave cylinders coupled to the latches, and a master cylinder in fluid communication with the slave cylinders for causing the slave cylinders to simultaneously unlatch the latches.

Abstract: In a shock-secure door or hatch arrangement on marine ships, a doorway frame, on two opposite longitudinal edges thereof, has continuous latching bars that are receivable in corresponding grooves in opposite edges of a door in order to latch the door in a closed position. The latching bar on the hinged edge of the doorway frame is stationary and engages into the associated door edge groove during a closing motion of the door. The latching bar on the opposite edge of the doorway frame is movable by actuating elements so as to engage into the respective associated door edge groove for latching the door in its closed position. A locking mechanism locks and unlocks the movable latching bar in its latched position.

Abstract: A watertight door system for a marine vessel comprises a door and a door frame having a threshold. A circumferential seal is around an opening of the door frame closed by the door. The seal is formed between seal components of the door and seal components of the door frame. The frame is adapted for connection to the bulkhead and comprises two sides, a top member and a floor trough. Means are provided to press the door against the frame when the door is in a closed position. The trough has a floor plate substantially flush with a top edge of the trough, which floor plate is adapted to form a floor panel of the floor of the vessel, with said trough received in an aperture of the floor. The trough has a lid to close the trough, at least when the door is in an open position, so that the floor is rendered substantially level through the door aperture. The seal may extend along the lid (in the case of a pivoting door) or in the trough, in the case of a sliding door.

Abstract: A marine aft bulkhead and window system in a fully framed assembly includes a port side glass assembly that is fully retractable below a lowest edge of a window opening, a starboard side glass assembly that is fully retractable below the lowest edge of the window opening, a door glass assembly that is fully retractable below the lowest edge of a door opening, and a door assembly that is fully retractable to port or starboard horizontally.

Abstract: A boat hull having a door and a method of making the door, which can swing to an open position and closed position. The door can be used for entering or exiting the boat. The door can remain closed with a door lock assembly and door strike. An outer door frame and gussets provide support for the hull and door.

Abstract: An approaching and retaining device, in particular for a boat door, includes a fixed assembly adapted to be associated with a frame and a mobile assembly adapted to be associated with a wing. The fixed assembly includes a nib which can slide freely in a first through hole of the mobile assembly; structure for automatically operating an actuator connected to the nib in a manner to determine an approaching movement of the wing towards the frame and a compression force against an elastic element positioned between the frame and the wing. The mobile assembly includes an external element rigidly secured to the wing; an internal strike adapted to be inserted into a second through hole of the main body, the internal strike including a transversal hole adapted to house the nib; and a threaded pin which allows the internal strike to move relative to the external element.

Abstract: A cover for use with an elongated opening associated with a transportable barge. The cover includes a number of inter-engageable cover sections, each exhibiting a plasticized construction and extending in both widthwise and lengthwise fashion relative to an upper lip edge defining an open perimeter of the barge. Each cover section exhibits pairs of opposing lifting eyes and associated locking pins, these being defined along outer extending side edge locations of each cover section and is adapted to securing the cover section upon the barge perimeter defining edge. Each cover further includes a four point locking and unlocking feature activated by a lift handle for selectively opening a cargo carrying interior associated with the barge. A plurality of structurally strengthening trusses are also incorporated into each individually assemble-able barge section in combination with an in molded ladder associated with each end wall section.

Abstract: A watertight door system for a marine vessel comprises a door and a door frame having a threshold. A circumferential seal is around an opening of the door frame closed by the door. The seal is formed between seal components of the door and seal components of the door frame. The frame is adapted for connection to the bulkhead and comprises two sides, a top member and a floor trough. Means are provided to press the door against the frame when the door is in a closed position. The trough has a floor plate substantially flush with a top edge of the trough, which floor plate is adapted to form a floor panel of the floor of the vessel, with said trough received in an aperture of the floor. The trough has a lid to close the trough, at least when the door is in an open position, so that the floor is rendered substantially level through the door aperture. The seal may extend along the lid (in the case of a pivoting door) or in the trough, in the case of a sliding door.

Abstract: The present invention provides a door panel that comprises an outer panel and an inner panel joined together at adhering portions and, regardless of whether rib portions are formed on the adhering portions in order to prevent deformation of the adhering portions or for other purpose, can be modified to withstand severe heat by means of formation of large ventilation openings in the adhering portions without significantly impairing the shape or the strength of the door panel.

Abstract: A door panel that is capable of maintaining the adhering strength of the adhesive is provided. An outer panel and an inner panel are joined together by an adhesive. Adhesive retaining portions, each of which includes an adhesive retaining channel for retaining the adhesive, are provided in adhering portions of the inner panel. Each adhering portion includes vertically extending portions, and the adhesive retaining portions of the inner panel are formed in the shape of an extended raised portion and extend vertically in the respective vertically extending portions of the adhering portions, along ventilation openings, which are formed at locations corresponding to groups of ventilation holes of the outer panel. Each adhesive retaining portion is provided at the middle of each vertically extending portion of the adhering portions so as to be flanked by adhesion margins of identical width.

Abstract: A door panel that is light in weight and has sufficient strength is provided. A door panel has an outer panel, an inner panel, and a foamed material filling a space between the outer panel and the inner panel. The inner panel is formed by means of press molding so as to have an uneven surface with adhering portions and a raised portion. The adhering portions are affixed to the inner surface of the outer panel, and the space is formed between the raised portion and the outer panel. The outer panel has a thickness ranging from 1.2 to 5.0 times that of the inner panel. A hemmed portion is formed by folding the peripheral edge of the outer panel so as to curl over the peripheral edge of the inner panel and then pressing down the folded part.

Abstract: A boat hull having a door that can swing to an open position and closed position. The door can be used for entering or exiting the boat. The door can remain closed by a latch, or a door handle. A seal may be disposed between the door and the door frame to keep water out. A ramp may be used when the door is open to allow for easier entry for people using wheeled luggage, wheelchairs, or walkers.

Abstract: A security door closure system for cruise ships and other similar public entrance points to prevent terrorist attack or ship take-over is needed. Cruise ship passenger and ship provisioning entrance gangplanks pass through large hydraulically operated shell doors. The gangplank must be removed to close the shell door. The quick close security door system (Door-Gate) is a portable bullet resistant rapid close door system that is placed in conjunction with the gangplank or other entry system, which when closed prevents forced entry. A single lever either remotely or manually operated immediately closes the doors, which then cannot be forced opened from the entrance side.

Abstract: A door or window (1) comprises a main frame (10) and at least one wing (101) fitted movably to the main frame, in such a way that the door or window can assume an open condition and a closed condition, and sealing means (200), positioned in such a way that they are interposed between main frame and wing when the door or window is in the closed condition. The sealing means comprise at least one gasket (303, 307) extending along at least part of the perimeter of the main frame and a movable sealing member (230, 250) supported movably by one of the said main frame and wing, and capable of exerting a compressive force on the gasket against the other of the said main frame and wing when the door or window is in the closed condition.

Abstract: An apparatus for sealing a doorway, more particularly, an all purpose gasket structure capable of sealing a doorway against the entry of water, smoke, and fire. The gasket is primarily an elongated silicone rubber structure having a ridged rectangular cross section for mounting to a gasket retainer. The gasket also includes a crush zone which collapses inwardly when pressure is applied to the gasket surface, resulting in improved sealing and the blockage of water intrusion paths. The gasket may further include an intumescent section within the elongated silicone rubber structure. In the sealing arrangement, the gasket is arranged within a gasket retainer that surrounds the doorway, thereby sealing boundaries between areas of personal egress.

Abstract: A security door closure system for cruise ships and other similar public entrance points to prevent terrorist attack or ship take-over is needed. Cruise ship passenger and ship provisioning entrance gangplanks pass through large hydraulically operated shell doors. The gangplank must be removed to close the shell door. The quick close security door system (Door-Gate) is a portable bullet resistant rapid close door system that is placed in conjunction with the gangplank or other entry system, which when closed prevents forced entry. A single lever either remotely or manually operated immediately closes the doors, which then cannot be forced opened from the entrance side.

Abstract: A watertight door comprising: a door frame; a door panel, with a perimeter normally adjacent to the door frame when the door is closed, and with a first facing side and a second facing side, configured to open and close within the door frame; a first gasket lip seal generally encircling the perimeter and nearer to the first facing side, the first gasket lip seal having a base section, sealing section, and bending section; a second gasket lip seal generally encircling the perimeter, nearer to the second facing side, and adjacent to the first gasket lip seal, the second gasket lip seal having a base section, sealing section and bending section; a plurality of extension pin sleeves located perpendicular to the perimeter; a plurality of extension pins moveably housed in the plurality of extension pin sleeves; a plurality of gasket retraction plates located generally about the perimeter, and in communication with the plurality of pins; a plurality of springs located in the extension pin sleeves, and configured to

Abstract: A hatch or door system for closing an opening in a surrounding structure has a panel assembly having a metal frame enclosing a composite material panel. An operating mechanism is operative in a first stage to hold the panel assembly in the closed position. In a second stage, a discrete-to-continuous latching mechanism of the operating mechanism seals the frame within the opening.

Abstract: A marine vessel has at least two engines installed in separate respective engine compartments that are positioned substantially horizontally adjacent to each other and are separated from each other by a wall structure defining at least one opening provided with a floodgate arrangement. The floodgate arrangement includes a gate device that is movable between a closed position, in which the gate device blocks the opening, and an open position, in which the gate device frees the opening, and a buoyancy assisted movement actuation device for moving the gate device from its closed position to its open position under the influence of rising water level.

Abstract: A hatch or door system secures and seals an opening in a surrounding structure, such as a horizontal or vertical surface of a marine vessel. A panel having at least two straight edges is rotatably mountable to the surrounding surface. An operating mechanism is mounted on the surrounding structure, rather than on the panel, to retain the panel in the closed position. The operating mechanism includes dogging members configured to apply a force along at least a portion extending continuously along each of the two straight edges when in a panel-securing position. A gasketing mechanism is included to seal the panel in the closed position.

Abstract: A window assembly for a vessel is disclosed having a frame, a window mounted within the frame with one surface of the window facing in an outward direction and another surface facing in an inward direction, with the assembly further including a pivotally movable cover extending over at least a substantial portion of the inward facing surface of the window and being selectively positionable for pivotal movement about a pivot axis between one position substantially blocking vision to the window and another position permitting generally unobstructed vision through the window.

Abstract: The invention relates to a closing mechanism for a ship's door comprising: a number of latches arranged around said door; a substantially planar rod mechanism connected to said latches and comprising a number of guided rods; an operating member connected to said rod mechanism for operating said latches via said planar rod mechanism; wherein at least one of said rods is curved and guided between at least two rollers.

Abstract: A buoyancy aid for use in the surf or water which does not restrict body movement is shown. The buoyancy aid also allows the individual or person to remain afloat in a substantial upright position. A buoyancy aid for maintaining the torso of a person in a substantially upright position in a water environment is also shown. The buoyancy aid in the preferred embodiment includes a fastening system including a chest fastening member and a waist fastening member to fit around the waist of an individual or person. The buoyancy aid also includes a buoyancy member formed of a buoyancy material having pair of spaced substantially planar “V”-shaped buoyant strips which are disposed to be substantially equal on the front and back of a torso of a person.

Abstract: A light-weight door panel flush with the external surface of a wall structure in its closed position sealing an opening, is mounted for displacement to an open position by hinge linkage confined to its underside. In its closed position supported on the bulkhead of the door frame bordering the opening in the wall structure, the door panel compresses a sealing gasket bonded to the bulkhead. Such compression of the gasket by the door panel is established and maintained through selectively controlled rolling pins engaged with wedges resiliently held within corrosion resistant inserts bonded to the door panel at spaced peripheral locations therein.

Abstract: Disclosed is a door structure including a door, a door opening in a bulkhead portion and a stiffening member extending peripherally in the door opening. The door is hingedly attached to a bulkhead portion and is movable between a position substantially covering the opening and a position substantially freeing the opening. The door includes a flat plate with peripheral edge zones, which extend to at least one of the stiffening member and the edge zones of the bulkhead portion bounding the opening. The distance between the peripheral edge zones and at least one of the stiffening member and the edge zones of the bulkhead portion is smaller than ¼ inch.

Abstract: The invention relates to a boat or ship's hull, which is shielded against electronic radiation and comprises a cover (2) or the like for closing a hatch (3) in e.g. the deck (1) of the hull, and a sealing device for electric sealing of the closure of the cover at that part of the hull which surrounds the hatch. The hull and the cover comprise a composite (7, 9) containing fibers of an electrically conductive material, such as carbon fibers. The fibers reach the surfaces of the hull and the cover at the closure, where two sealing members (14, 15) included in the sealing device are fixed by lamination. The sealing members comprise flexible layered elements including fibers of the same kind of material as the fibers of the composite, for instance, textile bands of carbon fibers. The electric seal is kept closed by preferably non-laminated parts (20) of one of said sealing members being pressed against parts (21) of the second sealing member, e.g.

Abstract: A door assembly includes a main door body with an interior flange and an exterior flange, both extending parallel and generally away from the main door body. A door frame surrounds the door body when the latter is in a closed position, the door frame having an inner and outer flange, both of the latter extending generally toward the main door body when in its closed position. Two gaskets are provided between a flange of the door frame and a flange of the door, whereby movement of the main door body in a given direction generally perpendicular to the direction in which the flanges extend causes the gasket to be compressed.

Abstract: A fuselage door for a pressurized aircraft fuselage in which the hoop tension loads caused by cabin pressure are carried through the door rather than around the door. Stationary interlocking moldings in the door and fuselage door seat transfer loads through the door-fuselage intersection. The interlocking portions of the moldings have a sloped engaging portion having an angle such that the inward directed force component of tension due to a pressure differential is less than the outward directed force from cabin pressure on the door.

Abstract: The door, hatch or other closure in a marine vessel includes a large central window, and is manually or mechanically latched or unlatched by a quick-acting actuation mechanism. An outer handle or an inner handle is rotated, thereby pulling a chain that engages each of a plurality of sprockets. As the chain is pulled, each of a plurality of dogs rotate to engage or disengage a corresponding number of strikers attached to a jamb. Sprockets having different diameters may be utilized to vary the rate of rotation of different dogs and to vary the force applied to different dogs. The position of dog is visually identifiable from the position of the handles.

Abstract: The door, hatch or other closure in a marine vessel includes a large central window, and is manually or mechanically latched or unlatched by a quick-acting actuation mechanism. An outer handle or an inner handle is rotated, thereby pulling a chain that engages each of a plurality of sprockets. As the chain is pulled, each of a plurality of dogs rotate to engage or disengage a corresponding number of strikers attached to a jamb. Sprockets having different diameters may be utilized to vary the rate of rotation of different dogs and to vary the force applied to different dogs. The position of dog is visually identifiable from the position of the handles.

Abstract: The door, hatch or other closure in a marine vessel includes a large central window, and is manually or mechanically latched or unlatched by a quick-acting actuation mechanism. An outer handle or an inner handle is rotated, thereby pulling a chain that engages each of a plurality of sprockets. As the chain is pulled, each of a plurality of dogs rotates to engage or disengage a corresponding striker attached to a jamb. Sprockets having different diameters may be utilized to vary the rate of rotation of different dogs and to vary the force applied by different dogs. The position of dog is visually identifiable from the position of the handles.

Abstract: The door, hatch or other closure in a marine vessel includes a large central window, and is manually or mechanically latched or unlatched by a quick-acting actuation mechanism. An outer handle or an inner handle is rotated, thereby pulling a chain that engages each of a plurality of sprockets. As the chain is pulled, each of a plurality of dogs rotate to engage or disengage a corresponding number of strikers attached to a jamb. The position of dog is visually identifiable from the position of the handles.

Abstract: An apparatus for sealing a movable closure member about an access aperture located within a rigid structure. The movable closure member is sized to cover the access aperture and to provide access through the access aperture when open. A resilient elastomeric gasket is secured to one of the rigid structure or the movable structure to suit design and manufacturing preference. The resilient elastomeric gasket has a hollow cavity disposed within the elastomeric gasket, and the hollow cavity is sealed at each end to form a pressure-equalizing chamber therein. A convex protrusion is positioned on the elastomeric gasket to confront a flat stop positioned upon the other of the rigid structure or the movable structure when the movable structure is closed. A closure means is provided to bias the convex protrusion against the flat stop face with sufficient pressure to partially deform the resilient, elastomeric gasket.

Abstract: A water tight prehung door for a ship bulkhead, the door being formed from a plate with a peripheral band welded thereto, being stiffened by a plurality of channels extending from one side of the door to the other and having elongated dimples in the plate disposed between the channels; a double directional gasket which buckles when closed is contained in a partial enclosure and cooperates with a dogging mechanism utilizing a parallel bar linkage which moves rollers over wedge shaped lugs to dog the door closed and form a water tight seal irrespective of which side of the door is subjected to pressure.

Abstract: To close off the cockpit of a small boat from a forward compartment of the boat, a lift-up panel hinged to the floor of the boat is provided to fit in the space between port and starboard consoles which separate the cockpit from the forward compartment. The panel fits against the floor of the boat when not in use and can readily be raised and lowered. Engagement of the panel with a central section of a windshield is provided to hold the panel in the raised position.

Abstract: An armored combat vehicle, especially a military tank, with at least one entry-and-exit hatchway in the top. The hatchway closes with a hatch completely covering it. At least two additional moving roof-protection hatches above the hatch that completely covers the hatchway extend in the same plane at least when they are closed, each covering part of the hatchway and both covering it completely.

Abstract: A manually operated wheel for activating the hatch on a combat vehicle, especially a tank. It comprises an axially solid disk of appropriate anti-fragmentation and/or anti-radiation material.

Abstract: A dog for latching a watertight door in the bulkhead of a ship, has a lubricant passage with a plug useful for forcing a grease pellet into the passage. The plug extends beyond the end of the spindle for the user to clamp a wrench for removing the plug from the spindle. The dog has two nuts mounted on the end of the spindle. One nut is a conventional nut for fastening the spindle to the bulkhead. The second nut is a cap nut for at least partially enclosing the threaded plug.

Abstract: A fish unloading system for removing fish from the main fish hold of a fishing boat. The lower portion of the main fish hold is filled with water and sufficient salt added to cause the fish to float near the surface of the water. A power-operated self-feeding fish-impelling device having an enclosure arranged in a loop with a discharge aperture formed in its upper portion is lowered into the hold. A plurality of blades or baskets are power driven about the interior of the enclosure. A pump is arranged with its suction in communication with the fish-impelling device to continuously draw water and fish towards the blades or baskets of the impeller so as to continuously propel fish upwardly from the hold. The system is utilized to unload a plurality of auxiliary fish holds connected to the main fish hold by access hatches. Fish in the auxiliary holds are floated through the access hatches by a recirculating flow of water from the main fish hold through the auxiliary holds and back into the main hold.

Abstract: The specification discloses an isolation door assembly which, by virtue of having annuli provided about the joint between the door coaming and the door framing, about the seal between the door and the coaming, and about any penetration of the door by shafts, etc. provides the means to test the door assembly at installation, and at specified testing intervals.By providing pressure fittings (normally plugged) which communicate with the annuli described above, and introducing a testing medium under pressure into said annuli, the integrity of all door seals can be tested.

Abstract: An enclosure for a network protector in an electrical distribution network includes a cabinet body that defines an interior region that accepts the network protector. The cabinet body three electrodes sealed with and electrically isolated from the cabinet body and each other, which extend through the cabinet body to establish electrical connection between corresponding terminals of the network protector and the electrical distribution network. First and second doors are pivotably connected to opposing sides of the cabinet body and have respective contact surfaces to seal against the cabinet body. A first gasket is disposed along a distal edge surface of the first door, and a second gasket is disposed along a distal edge surface of the second door. At least a portion of the first gasket and the second gasket have conformal shapes that sealingly mate with each other when the first and second doors are in a closed position.

Abstract: An enclosure for a network protector in an electrical distribution network includes a cabinet body that defines an interior region that accepts the network protector. The cabinet body three electrodes sealed with and electrically isolated from the cabinet body and each other, which extend through the cabinet body to establish electrical connection between corresponding terminals of the network protector and the electrical distribution network. First and second doors are pivotably connected to opposing sides of the cabinet body and have respective contact surfaces to seal against the cabinet body. A first gasket is disposed along a distal edge surface of the first door, and a second gasket is disposed along a distal edge surface of the second door. At least a portion of the first gasket and the second gasket have conformal shapes that sealingly mate with each other when the first and second doors are in a closed position.