Abstract: A transparent insert holder of the type characterized by being adapted to receive and protect cards such as photographs, permits and the like. The insert holder includes first and second four-edged plastic cover sheets for forming front and back surfaces of the insert holder. The first plastic cover sheet has a predetermined-sized transparent window therein defined by a surrounding non-transparent area, and a four-edged, double-sided frame is provided for being positioned between the first and second plastic sheets for securing the first and second sheets to opposing front and back sides of the frame to form the holder. The frame has a pressure sensitive adhesive coating the frame on its front and back surface. The first cover sheet is secured to the frame by the pressure-sensitive adhesive to completely enclose one of the front or back surfaces of the frame.

Abstract: A clay cutter for simultaneously cutting a plurality of slabs of clay, including a frame including first and second opposing, longitudinally-extending side members. A plurality of cross wires are attached to and extend between the first and second side members in mutual parallel relation to each other. First and second springs extend along respective ones of the side members and are alternately retractable and uniformly extensible between a relatively short length and a relatively long length. The cross wires are attached by opposite ends to the springs and are moveable with the springs as the springs move between the relatively short length and the relatively long length to thereby decrease or increase uniformly the space between each of the cross wires.

Abstract: An aircraft passenger seat assembly, including an emergency oxygen system, a seat frame, seat bottom and seat back, and respective cushions for the seat bottom and seat back. A chemical reaction oxygen generating canister is positioned in the seat bottom below the seat bottom cushion. Oxyen flow conduit interconnect the oxygen canister and an oxygen mask compartment. A cable is operatively connected by a first end to the firing pin mechanism of the oxygen generating canister and extends from the firing pin mechanism to the mask compartment. A lever arm is positioned in the oxygen mask compartment to which a second end of the cable is attached. Another lever also includes a tether releasably connected to the lever arm and to a mask.

Abstract: A splicing block assembly for splicing a length of leader tape connected to a hub of a cassette to a length of magnetic tape while the cassette is in a cassette load which includes a splice block mounted for reciprocating lateral movement between a first position in tape alignment with a first cassette position and a second position in tape alignment with a second cassette position. The splice block has a planar splicing surface segment having at least one tape receiving elongate track therein. A shift block is mounted on the splice block. The shift block has a planar splicing surface segment flush with the planar splicing surface of the splice block with first and second tape receiving tracks therein. The shift block is mounted on the splice block for reciprocating lateral movement between a first position where the first track is in tape alignment with the track of the splice block and a second position where the second track is in tape alignment with the track of the splice block.

Abstract: A cassette loader for loading a length of magnetic tape into a cassette having a relatively short length of leader tape preloaded into the cassette and attached by opposite ends to respective first and second cassette hubs, the cassette loader including a transfer arm for transferring a length of leader tape extracted from the cassette at a leader tape extracting position to a splicing block for splicing to a length of magnetic tape. The transfer arm is mounted for movement on the cassette loader. A leader tape extractor is carried by the transfer arm for holding the leader tape. The transfer arm moves in an arc between the leader tape extracting position and a point past a side of the splicing block remote from the leader tape extracting position to a leader tape delivery position to deliver the leader tape to the splicing block for splicing. The transfer arm then returns to the leader tape extracting position.

Abstract: A cassette loader for loading a length of magnetic tape into a cassette having a relatively short length of leader tape preloaded into the cassette and attached by opposite ends to respective first and second cassette hubs. The cassette loader has a leader tape extraction position for holding a cassette, a leader tape extractor for extracting the leader tape from the cassette in preparation for splicing the leader tape to a length of magnetic tape and a cassette loading position spaced-apart from the leader tape extraction position for loading a length of magnetic tape into a cassette the leader tape of which has previously been spliced to the magnetic tape in the leader tape extraction position.

Abstract: An exterior gas-fired water heater enclosure, comprising a base, sidewalls mounted on the base and defining an interior space for receiving a gas-fired water heater, a top positioned on the top of the sidewalls, a flue positioned in the top and communicating with the interior of the enclosure for discharging heated combustion air from the enclosure, vent means positioned adjacent the bottom of the sidewalls for permitting air flow into the enclosure from a point closely proximate a gas burner positioned in the bottom of the water heater, and baffle means positioned over the vent means for directing all of the air flow through the vent downwardly to a position below the gas burner of the water heater.

Abstract: A method of manufacturing a decorative ribbon, including the steps of gathering an elongate ribbon, stitching the ribbon along the length thereof while gathered to hold the ribbon in the gathered condition and heat setting the ribbon while held in the gathered condition by the stitches to permanently set the ribbon itself into the gathered condition. A variation in the appearance of the ribbon is achieved by winding the gathered ribbon onto a mandrel before heat setting the ribbon, heat setting the ribbon while the ribbon is wound onto the mandrel to place an axially repeating permanent twist into the ribbon, and removing the heat set ribbon from the mandrel.

Abstract: An explosion proof light comprising a shatter-resistant, fluid tight, light transmissive case and a fluid tight light source sealed within the case in at least partial spaced-apart relation thereto. An effective quantity of electrically non-conductive fluid extinguishant such as Halon 2402 is sealed within the space between the case and the light source under positive pressure for suppressing sparks resulting from damage to the light causing penetration to the light source and exposure of sparks and intense heat to the environment. An outer housing may preferably be positioned over the case to add further protection.

Abstract: In pressing wet concrete between a ram and a mold to compact the concrete and express water from it so as to produce a molded slab, a layer of filter material is provided between the ram or the base of the mold and the concrete and the filter material is secured by a discontinuous coat of adhesive applied as a transfer to the ram and/or to the base of the mold. The adhesive is applied over a sufficient area of the filter material to secure adhesion of the filter material to the ram or base of the mold. The discontinuous adhesive coating is provided as a pattern of particles which covers substantially the entire area of the face of the filter and is present over between 2% and 15% of the total surface area of the filter material.

Abstract: A rudder sleeve for enlarging the surface area of a boat rudder includes first and second stainless steel plates having four side edges defining first and second opposed major hydrodynamic surfaces. The rudder sleeve has a substantially rectilinear periphery. The first and second plates are secured together around the periphery of three of the four side edges by welding to define a narrow pocket between the first and second plates enclosed on three side edges.An open side edge is provided for placing the boat rudder into the pocket. Fastening bolts are provided for being extended through the first and second plates and the boat rudder from side-to-side to fasten the rudder sleeve to the boat rudder.

Abstract: A compactor which includes a framework 10 adapted for reception of an open-topped rubbish container 14, a compacting plate 16 pivotally mounted on the framework 10 about an axis 20 adjacent to and parallel to the rear upper edge 22 of the rubbish container 14 and two piston and cylinder devices 28, 34 operable to pivot the plate 16 towards and away from the container 14.

Abstract: An agitating apparatus, especially but not exclusively for dispensing fruit juices from a bag-in-box arrangement, includes a connector (18) adapted for fitment to the bag and having an inlet (20) and at least one outlet (22) each connected to a pump whereby on operation of the pump the bag's contents are agitated, the contents being dispensed by way of a dispenser (32) either interposed in a line between the pump and inlet (20) or connected to a second outlet (46) from the dispenser.

Abstract: A weighing apparatus for determining the weight of a load while the load is in vertical motion, comprising a stationary support, a lifter for lifting and lowering the load thorough a range of vertical motion, and at least three elongate weigh beams secured to the stationary support and the lifter by respective opposite ends thereof and rigidly spacing the lifter horizontally from the stationary support. The weigh beams sense the weight of the load continuously while the load is in motion. A computer is operatively connected to the weigh beams for receiving and processing weight information sensed by the weigh beams and outputting data representative of the weight of the load. A first weight is sensed representing the container and refuse contained in the container. A second weight is sensing after the container has been emptied and subtracted from the first weight to derive a net weight representing the weight of the emptied refuse.

Abstract: The invention is concerned with a method and apparatus for producing a shaped filamentary structure and more particularly, to filamentary structures which can be subjected to further processing to produce a carbon-carbon product. A specific use of the invention is in the production of discs for use in aircraft braking systems.The method includes needle punching a unidirectional layer of filaments to give a degree of dimensional stability; cutting a plurality of segments from the layer of needle punched filamentary material; assembling a plurality of segments in side-by-side contiguous relationship to produce a filamentary layer of the required structural shape; superimposing at least one similar layer on the first layer and needle punching the assembled layers to produce cross-linking of the layers.