Abstract: A gas meter assembly having a universal type connector subassembly. This gas meter assembly includes a gas meter, inlet piping, outlet piping, and a connector unit which has a U-shaped inlet pipe, a Z-shaped outlet pipe, and a strut fixedly connected to the U-shaped inlet pipe and connected to the Z-shaped outlet pipe. The strut has a first hole with a first axis receiving the inlet pipe and has a second hole with a second axis receiving an upper portion of the Z-shaped outlet pipe for rotating through a selective angle a lower portion of the Z-shaped outlet pipe with a third axis, so that the spacing between the first and third axes can be made either more or less than the spacing between the first and second axis, in order to match the spacing between inlet and outlet connections of the meter.

Abstract: histological tissue freezing process is provided. The process includes spraying a chemical, tetrafluoroethane, onto a portion of a histological tissue specimen before sectioning thereof. The use of tetrafluoroethane has the advantages of not causing ozone depletion, reduced global warming potential and producing a colder spray. A spray can for spraying the chemical is also provided.

Abstract: A hydraulic wire joining device for connecting at least two wires. The device includes a hydraulic cylinder for clamping a wedge or spacer over at least two wires, and a work fixture for transmitting an cylinder force to the wedge. The cylinder is a two-stage type of cylinder, which has first and second coaxial cylinders and respective first and second coaxial pistons respectively forming the first and second chambers and third and fourth chambers. The first piston has passage means which has a pressure valve and which connects the first and third chambers upon opening of the pressure valve only at a second stage higher fluid pressure level, whereby a two-stage two-level force can be applied to the wedge for initial crimping and final crimping of the wedge.

Abstract: A portable fire trainer for use in training by an instructor of a company employee in the use of a fire extinguisher for extinguishing a Class A trash can paper fire or a Class B spilled combustible liquid fire or a Class C electrical panel fire. The trainer includes a housing subassembly, and includes an equipment subassembly which has a burnable simulated multifire array of items and which has a flame generating and distributing system.

Abstract: A fire fighting trainer for use in training fire fighters is provided. The fire fighting trainer includes a structure having one or more chambers. Each chamber contains real or simulated items, which are chosen from a group of items, such as furniture and fixtures and equipment. The trainer includes fire and smoke generating apparatus and sensors to determine what extinguishing agent is being utilized to extinguish the fire which are connected to the control panel. The sensor for foam includes a sonic beam sensing device. The fire and smoke apparatus and the sensors are connected to an apparatus for controlling the fire and smoke and recording the actions of the fire fighters utilizing the trainer.

Abstract: This invention relates to a lounge cushion with body supports which are adjustable to conform with body frames of different girths and heights. It is ergonomically correct to alleviate stress on the lower back, head, neck and legs by reducing pressure while relaxing in the prone, supine or side laying positions.

Abstract: A fire fighting trainer for use in training fire fighters is provided. The fire fighting trainer includes a structure having one or more chambers having concrete or grating floors. Each chamber contains one or a series of real or simulated items such as furniture and fixtures and equipment. The trainer has a smoke generating system with an outlet for each chamber. The trainer also includes a propane gas flame generating system. The trainer has a main control panel for regulating the flame generating system and the smoke generating system and for controlling the fire, or fires, and smoke in each chamber. The trainer also has a sensor assembly in each chamber, which senses water.

Abstract: A composite membrane for microfiltration comprises a woven metal mesh support and films bridging the interstices comprising inorganic particles, e.g. zirconia, bonded together by 1-25% of an inorganic adhesive. Group IV metal e.g. Si or Zr phosphate adhesives are preferred. Low temperature film formation without sintering permits the use of non-refractory metal supports.

Abstract: A moistening agent and method for its use in offset printing plates is described. The agent contains a low molecular weight cationic protein as a water soluble, major component.

Abstract: An elevator stand for a bed leg for tilting the bed for use by a person with various conditions. The stand has a base portion for resting on a floor surface, and has an upper receiving portion which has a top surface recess with a bottom bearing surface and an inner sidewall surface telescoping over the bed leg. The elevator is provided with means for securing the legs of the bed to the elevators.

Abstract: A heat exchanger inner spiral ribbed tube and method of manufacture therefor for use in making a refrigerator condenser or a refrigerator evaporator. The tube has an annular wall having an inner surface. The inner surface has a plurality of inner spiral ribs, each having a spiral angle. The spiral angle is between 0 degrees and 90 degrees; and is 45 degrees in the described embodiment. The tube making method includes the steps of swaging a plain plate between a plain roller and a grooved roller to make a ribbed plate; then forming seam welding the plate at the longitudinal adjacent edges thereof to make the inner spiral ribbed tube.

Abstract: A modular fire fighter trainer for use in training fire fighters. This trainer includes at least one training subassembly or module having a training room with one or more simulated burnable items and having an equipment room with a burner control and a smoke generator, and includes a second control subassembly having a control room with a control panel connecting to the burner control and the smoke generator and includes a third interconnect subassembly having a hallway connecting to the training room and having an exterior doorway.

Abstract: A demonstrator for demonstrating color combinations of the colors of the background and the lettering of a design. This demonstrator includes a support board, a background sheet resting on the board and having a plurality of spaced identical but differently colored panels which have identical but differently colored panels which have identical transparent letterings, a transparent lettering sheet resting on and slidable relative to the transparent background sheet and having a plurality of spaced identical but differently colored letterings disposed thereon, and a mask overlay sheet resting on the transparent lettering sheet and having a printed mask portion with a plurality of spaced identically shaped clear openings.

Abstract: A filter apparatus having an identification and filter subassembly. The identification and filter subassembly includes a bag filter and a top end collar and a radial identification tag. The collar has a lower portion fixedly connected to the bag filter, and has a middle portion to be supported within a vessel, and has a top lip portion to engage a cover plate of the vessel. The collar has a pivotable web portion disposed between the middle portion and the top lip portion, and has an inner surface with a groove having sidewalls. The identification tag is cantilevered radially outwardly from the top lip portion for reading information disposed thereon from the exterior of the vessel.

Abstract: A radar absorber, for use as a sprayable paint, or for use as a plastic sheet, is provided. The radar absorber is used to cover a structural part of an aircraft or to shield a part of a naval vessel. The absorber, or coating in this embodiment, includes an inner layer having an elastomeric carrier material with a carbonyl iron powder dispersed therein, or disposed therein, of a regular particle size of about 4 to 5 micron, and includes an outer layer having an elastomeric carrier material with a carbonyl iron powder dispersed therein, or disposed therein, of a fine particle size of about 0.5 to 1.5 micron.

Abstract: A filter apparatus having a bag filter subassembly for collecting contaminating material. The bag filter subassembly includes a bag filter having a top end portion and an integral collar. The collar has a lower portion fixedly connected to the bag filter, and has a middle portion to be supported within a vessel, and has a top lip portion to engage a cover plate of the vessel. The collar has a pivotal web portion disposed between the middle portion and the top lip portion, and has an inner surface with a groove having sidewalls, whereby internal pressure on the sidewalls pivot the top lip portion causing a sealing ring bearing area on the cover plate.

Abstract: A hair coloring device and method are provided. The device includes a plurality of foldable, clear, plastic strips, each having a center portion and a left portion and a right portion. The left and right portions are folded over to form a passage therethrough with top and bottom openings for ventilation. The passage contains a hair section having a plurality of hair strands. The device also includes a coloring agent or bleach disposed on each hair section. The method includes the steps of, separating the hair of a person into hair sections; placing the hair sections on respective strips; applying bleach to each of the hair sections; and folding over each of the strips forming a passage for enclosing the respective hair section and forming top and bottom passage openings for ventilating the passage.

Abstract: A fire fighting trainer for use in training fire fighters to extinguish jet crash fuel fires and the like, the trainer includes a supply pipe and control valve, a distribution pipe with holes, an open water tank with water within which the distribution pipe is disposed, so that liquid propane jets out from the holes, then passes as vapor bubbles to the water surface, then collects as propane vapor on the water surface, and a gas pilot flame device for lighting the propane vapor to form flames on the water surface. The simulated flames look very similar to jet crash liquid fuel flames.

Abstract: A fire fighter trainer device and method for use in training fire fighters in the extinguishment of a simulated crashed-air craft fuel-spill fire. The trainer includes a pit structure, a fuel distribution system, a burner control system connected to a computerized operator control panel, and an extinguishing agent detection system connected to the operator control panel.

Abstract: A fire barrier blanket for a splice portion of an electrical cable or conduit is provided. The blanket includes an elongate center portion having an elongate axis and axially spaced end portions connected to the cable and axially spaced clamp units such as a strap or a clamp urging the end portions in sealing engagement with the cable. The center portion and end portions each has an inner fiberglass layer and a middle silicone rubber foam layer and an outer fiberglass layer. The fiberglass layers each is silicone coated and is cast onto the middle foam layer on each side thereof. Opposite edges of the center portion have hook and loop type fastener strips which are sold under the trademark VELCRO or HOOK AND LOOP. In one embodiment for a relatively large diameter splice portion, each end portion has a pair of flap portions having diagonal edges. Adjacent diagonal edges have coacting hook and loop type fastener strips.