Abstract: A fitting assembly for maintaining a leak free seal connection with an associated fluid conduit during and after exposure to extreme heat is provided. The fitting assembly includes a coupling body including an inside surface defining a bore for receiving the associated fluid conduit. The coupling body is made of a first corrosion resistant material having a first coefficient of thermal expansion. The at least one ring is made of a complementary second corrosion resistant material having a second larger coefficient of thermal expansion such that the second material will expand at a greater rate that the first material during heating to a first temperature generally exceeding annealing temperatures of both the first material and the second material.

Abstract: An installation tool assembly for advancing a fitting's swage ring onto a fitting's connector body while a conduit is received in the connector body to mechanically and sealingly connect the fitting to the conduit includes a body defining at least two spaced apart piston chambers, a fixed jaw connected to the body and adapted to engage one of the connector body or the swage ring, and a movable jaw connected to the body and movable relative to the fixed jaw. The movable jaw is adapted to engage the other of the connector body or the swage ring. Pistons are disposed in the at least two spaced piston chambers. The pistons and the movable jaw are configured such that movement of the pistons in a first direction moves the movable jaw toward the fixed jaw thereby moving the swage ring axially onto the connector body to mechanically and sealingly connect the connector body to the conduit received therein when the fixed and movable jaws are engaged to the connector body and swage ring.

Abstract: A fitting for making connections with a pipe includes a coupling body having an inside surface defining a bore for receiving a pipe. A ring is fitted over the coupling body for sealing and mechanically connecting the coupling body to the pipe. An axisymmetrical main seal is formed on the inside surface of the coupling body that seals and connects to the pipe when the ring is installed on the coupling body. An axisymmetrical inboard seal is formed on the inside surface of the coupling body axially spaced from the main seal that seals and connects to the pipe when the ring is installed on the coupling body. At least one of the coupling body and the ring is configured so that the inboard seal seals and connects after the main seal seals and connects to the pipe. An axisymmetrical outboard seal is formed on the inside surface of the coupling body axially spaced from the main seal that connects to the pipe when the ring is installed on the coupling body.

Abstract: A fitting for a fluid conduit includes a coupling body having an inside surface for engaging an outside surface of a fluid conduit and a shoulder portion for limiting axial insertion of the fluid conduit into the coupling body. At least one seal is formed on the inside surface of the coupling body. The at least one seal includes a proximal seal adjacent the shoulder portion. A ring is annularly disposed on the coupling body urging the at least one seal into the fluid conduit to seal and mechanically connect the coupling body to the fluid conduit.

Abstract: A handheld hydraulic assembly tool for advancing a fitting's swage ring onto a fitting's connecting body while a conduit is received in the connector body to mechanically and sealingly connect the fitting to the conduit includes a clamping assembly defining a piston chamber fluidly connected to a pump chamber. The clamping assembly has a fixed jaw adapted to engage one of the connector body and the swage ring and a moveable jaw adapted to engage the other of the connector body and the swage ring. A piston is disposed in the piston chamber. The piston and the moveable jaw are configured such that movement of the piston in a first direction moves the moveable jaw toward the fixed jaw thereby moving the swage ring axially onto the connector body to mechanically and sealingly connect the connector body to the conduit received therein when the jaws are engaged to the connector body and the swage ring. A pump body defines the pump chamber and is connected to the clamping assembly.

Abstract: A suspended light source holder for an organic jack-o-lantern, with a light source holder removably positionable within the interior of the organic jack-o-lantern, and with a securing portion for securing the suspended light source holder to the top of the organic jack-o-lantern.

Abstract: A fitting for a fluid pressure conduit. The fitting includes a coupling body having a substantially axisymmetrical inside surface for engaging an outside surface of the fluid pressure conduit. The inside surface has at least one substantially axisymmetrical seal formed as at least one axisymmetrical ridge on the inside surface of the coupling body. There is at least one seal land on an outside surface of the coupling body adjacent the substantially axisymmetrical seal(s). There are a plurality of anti-torsion ridges on the inside surface of the coupling body, the anti-torsion ridges having friction surfaces for resisting torsion between the fitting and the fluid pressure conduit. Furthermore, there is at least one torsion land formed on the outside surface of the coupling body adjacent the torsion ridges.

Abstract: A hydraulic assembly system is described. The system includes a hydraulic assembly tool connected by a hydraulic connection to a hydraulic pressure source which supplies a pressurized hydraulic fluid to the tool. The system includes a switch mounted on the hydraulic assembly tool and one or more signal connections between the switch and the hydraulic pressure source whereby activation of the switch causes the hydraulic pressure source to supply the pressurized hydraulic fluid to activate the hydraulic assembly tool.

Abstract: The present invention provides a positive gapping device for socket welded fittings. The positive gapping device comprises a socket fitting having a recessed area on at least one end for receiving a pipe section that is engageable with the recessed area of the socket fitting. It further includes a gapping means disposed on one of a surface of the recessed area of the socket fitting facing an end of such pipe section and an end of such pipe section for engagement with such socket fitting. The gapping means providing a space between the socket fitting and such pipe section for reducing residual stresses that result from a welding operation.

Abstract: A suspended light source holder for an organic jack-o-lantern, with a light source holder removably positionable within the interior of the organic jack-o-lantern, and with a securing portion for securing the suspended light source holder to the top of the organic jack-o-lantern.

Abstract: Hydraulic assembly tool having a tool fixed portion having a proximal end and a distal end. The tool fixed portion includes a hydraulic cylinder having a fluid pressure port at the proximal end of the tool fixed portion. The fluid pressure port is for receiving a fluid having a controllable pressure. The tool fixed portion includes a fixed jaw. The tool also has a moveable portion including a moveable jaw and a piston disposed in the hydraulic cylinder, the piston receiving a hydraulic force from the pressurized fluid. There is a compression spring engaging the tool fixed portion and the tool moveable portion, the compression spring urging the tool moveable portion including the moveable jaw in a direction opposite the direction of the hydraulic force.

Abstract: The present invention provides an apparatus for securing a predetermined fitting to a mating surface. Such apparatus comprises a flange member having a predetermined profile and a swivel member connected to the flange member and having a well defined flange to swivel interface wherein the defined flange to swivel interface is conical with respect to an axis through the centerline of the apparatus.

Abstract: The present invention provides a positive gapping device for socket welded fittings. The positive gapping device comprises a socket fitting having a recessed area on at least one end for receiving a pipe section that is engageable with the recessed area of the socket fitting. It further includes a gapping means disposed on one of a surface of the recessed area of the socket fitting facing an end of such pipe section and an end of such pipe section for engagement with such socket fitting. The gapping means providing a space between the socket fitting and such pipe section for reducing residual stresses that result from a welding operation.

Abstract: A valve having a housing and a valve member located in the housing for controlling the flow of a fluid or fluid pressure directed through the housing. The valve further includes a removable valve seat located in the housing and against which the valve member engages and disengages in the fluid or fluid pressure control process. A sealing member is located between an outer surface of such valve seat and an inner surface of the housing of the valve. The removable valve seat being made of a durable molded plastic material.

Abstract: An electro-pneumatic brake control system for a railroad car including application and release solenoid valves having a fail-safe configuration in which full emergency brake pressure is delivered in the event of a power loss due to a train break-in-two for example. The present invention discloses a pressure limiting valve for the purpose of limiting the maximum pressure capable of being delivered in accordance with the existing car load weight sensed by an electric load sensor at the time a bower loss is experienced.

Abstract: A microprocessor based electro-pneumatic brake system for a railroad car including an emergency backup having load control apparatus under control of the microprocessor and arranged to maintain a load setting consistent with the microprocessor control in the event a power failure or malfunction renders the microprocessor inoperable.

Abstract: An electro-pneumatic brake control system for a railroad car including application and release solenoid valves having a fail-safe configuration in which full emergency brake pressure is delivered in the event of a power loss due to a train break-in-two for example. The present invention discloses a pressure limiting valve for the purpose of limiting the maximum pressure capable of being delivered in accordance with the existing car load weight sensed by an electric load sensor at the time a power loss is experienced.

Abstract: A test connector for connecting an air brake test device to access ports of an air brake control valve device where such access ports are normally closed by check valves. A plurality of actuator devices corresponding in number to the access ports are provided in the test connector to unseat the check valves and conduct test air to the test device via central passages in the actuators. The actuators are piston operated in response to a pilot pressure received from a source of compressed air remote from the connector.

Abstract: A fastener assembly for installing valve devices and the like on one side of a mounting plate by bolts where the bolt holes are without threads and the opposite side of the mounting face is inaccessible for holding a bolt head or nut from turning. The fastener assembly includes at least one fastener plate and a minimum of two threaded bolts affixed thereto, so that the threaded portion of the bolts projects through bolt holes in the mounting plate. A retaining washer is threaded onto the projecting bolt threads to retain the fastener plate in place while the valve device is being installed onto the projecting bolt threads on which lock nuts are subsequently screwed to secure the installation.

Abstract: An empty/load changeover valve device for a railway car having a proportioning valve including a valve member via which brake cylinder pressure is supplied and released and a balance piston to which the valve member is connected. The balance piston has equal opposing pressure areas both of which are subject to brake pressure in the "load" setting of the changeover valve device, one of the pressure areas being vented in the "empty" setting, thereby establishing either a non-proportioning mode of brake control or a proportioning mode of brake control. In the "empty" setting, brake supply pressure is connected to an equalizing reservoir. A regulating valve is provided to interrupt this connection until the brake supply pressure reaches a predetermined value, thereby preventing the other pressure area of the balance piston from being unloaded sufficiently to cause an inadvertent opening of the check valve member and a consequent drop in brake cylinder pressure.