Abstract: A shaft seal of the type including an annular metal case and a flexible non-elastomeric sealing element such as polytetrafluoroethylene is made by molding a synthetic rubber filler ring between the metal case and the sealing element such that it bonds to both the metal case and to the sealing element, providing a faster and less expensive method of manufacturing the seal, while eliminating any leakage route between the metal case and the sealing element and also eliminating the I.D. to O.D. concentricity problem. In the embodiment where the sealing element is polytetrafluoroethylene, the filler ring chemically bonds to the metal case and mechanically bonds to the sealing element. Hydrodynamic pumping members can be molded onto the shaft engaging surface of the sealing element during the process of molding the synthetic rubber filler ring.

Abstract: In the art of pressure shaft seals, a method for sealing including installing a seal having a reinforcing shell with a cylindrical portion and a radial portion wherein the pierce or endwall of the radial flange is formed as a radius or taper facing axially inwardly, instead of as a cylindrical surface parallel to the seal axis, to reduce the shear pressure on the bond at the pierce and also to eliminate a sharp corner and any tendency of the rubber to tear, and wherein an offset is provided on the axially outer surface of the radial flange of the metal case adjacent the pierce to disturb the flowing rubber from wiping the bonding cement off of the pierce.

Abstract: An oil seal, the combination thereof with a housing bore, and a method for installing the oil seal. This invention relates to applications where minimal radial force may be exerted against a housing bore and where the seal must be positively retained in the bore. The oil seal includes a shell having a locking member deformable radially outwardly, and an elastomeric sealing element bonded to the shell and including a face gasket for providing an O.D. seal when the locking member is deformed outwardly into an annular retaining groove in a housing bore. The seal is positively retained in the bore while exerting only minimal radial force against the bore while using less expensive cold rolled steel for the shell as contrasted to the more expensive spring steel required for snap-locking shells.

Abstract: A method for installing a seal over a first portion of a shaft (such as a larger diameter splined portion) and for sealing against a second portion of the shaft, in which, during installation, the sealing lip is moved to a non-sealing configuration out of contact with the first portion of the shaft.

Abstract: A unitized, grease-purgeable shaft seal including a wear sleeve and an elastomeric member having an inner sealing element extending toward the wear sleeve on one side of a wear sleeve flange and having an outer sealing element extending toward the wear sleeve on the other side of the flange whereby the seal is unitized. Each of the sealing elements includes an outwardly facing sealing lip, whereby the seal is grease purgeable.

Abstract: An improved fuel/air mixing system is described with reference to a device that includes a mixing cone element in a mixing chamber for creating a zone of turbulence in which pre-heated air is mixed with a regulated admission of fuel vapor.

Abstract: An electrolytic capacitor containing a novel electrolyte comprising solute selected from ammonium pentaborate and its mixture with boric acid and solvent comprising ethylene glycol, at least one ketone selected from 2,4-pentanedione, 2,4-hexanedione, 5-hydroxy-2-pentanone, and cyclohexanone, and their mixtures with other polar organic solvents. The electrolyte may also contain added water.

Abstract: In a system for flocking a substrate, such as a garment, the improvement comprising a method, apparatus and article for adjustably controlling the moisture content of the flock in the flock tray to any desired moisture level, whereby the flocking machine is not limited to use only in a plant having a humidity controlled atmosphere.

Abstract: A flocking system including a cabinet supporting a substrate to be flocked and a flock tray, means for raising and lowering the flock tray into and out of contact with the substrate (such as a garment), and means for sealing the moving flock tray to the cabinet to prevent flock from getting into the cabinet to prevent contamination of the mechanics of the internal portion of the cabinet by flock. The flock tray includes a slowly rotating rotor for keeping the flock agitated, a telescoping shaft connecting the rotor to the motor, a flock tray holder for maintaining the seal with the cabinet, and a flock tray cover with one or more flocking masks with various size openings.

Abstract: A garment holding turret system for a flocking machine including spring biased means for holding excessive portions of a garment in place while the adhesive is being applied and during the flock cycle. The turret has no protuberance at the chest or stomach of the operator to hinder the operator's movements in placing a garment on the turret or during the screen printing operation. The turret can be rotated in one direction for setting up the machine or making adjustments without activating the high voltage and can be rotated in the other direction to activate the high voltage for the flocking operation.

Abstract: A method and apparatus for applying flock to a substrate, such as a garment, comprising a compact, portable, self-contained flocking machine in which the cabinet and flocking trays are non-metallic and are preferably wood and plastic, respectively, whereby the electric field from an electrode in the flocking tray to the metallic garment holding platen causes the flock to move in a straight, uniform, dense pattern from the flock tray to the garment. In addition, the high voltage electrode in the flock tray is not energized until the flock tray has moved up and made contact with the garment holding platen to prevent flock from coming up out of the tray while the tray is moving up and down and to prevent any risk of shock to the operator. The platen is mounted on a rotatable shaft and diametrically opposed to a similar platen in an uppermost position which is operatively associated with a screen printer. In use, a printed substrate is flocked while an additional substrate is being printed.

Abstract: The improvement in a reed valve for use between crankcase chambers of a two-stroke engine, comprising a flat, ring-shaped steel insert having a rubber coating on one side thereof and including a sealing lip on the I.D. thereof. One insert is secured on each side of a reed block between the block and the reeds with the rubber facing the reeds to cushion the contact between the reeds and the block, and the sealing lip provides a positive-contact seal against the crankshaft.

Abstract: A convertible tray cabinet that can be used as a salesman's case having a base and a lid for carrying a nested stack of jewelry trays, and which cabinet can then be converted to a jewelry case with sliding trays therein by removing the lid, discarding the base, placing the lid on its side and sliding said trays into said lid on a plurality of spaced-apart ribs on the inside surfaces of opposed sidewalls of said lid. The ribs are vertical when the lid is used as a salesman's case and are horizontal when the lid is placed on its side and used as a jewelry case.

Abstract: A high speed, photographic optical printer, for making duplicates of a master motion picture film, wherein the overall exposure and the color balance of the copy film can be automatically controlled and are continuously adjustable over a wide dynamic range by means of electro-optical modulators, such as PLZT ceramic devices, in the light path between the light source and the copy film, and an electric circuit connected to each electro-optical modulator for controlling their transmissivity. In another embodiment, overall exposure is controlled by controlling the electrical energy applied to a pulsed xenon source that is turned on once for each frame.

Abstract: An apparatus for applying flock to a substrate, such as a garment, comprising a compact, portable, self-contained flocking machine in which the cabinet and flocking trays are non-metallic and are preferably wood and plastic, respectively, whereby the electric field from an electrode in the flocking tray to the metallic garment holding platen causes the flock to move in a straight, uniform, dense pattern from the flock tray to the garment. In addition, the high voltage electrode in the flock tray is not energized until the flock tray has moved up and made contact with the garment holding platen to prevent flock from coming up out of the tray while the tray is moving up and down and to prevent any risk of shock to the operator.

Abstract: A jacket type of garment is provided with a storage or back pack secured to and made part of the garment in such a way that the load of the pack is suspended from a pair of shoulder straps carried within the garment. Upper and lower corners of the storage pack are secured to the straps to distribute load forces from the storage pack to the straps and not to be seams of the jacket, and also to prevent lateral shifting of the lower end of the back pack when it is loaded.

Abstract: A muffler having a low frequency silencing element therein that can be contained within the spatial limitations of a conventional muffler without increasing the back pressure. The low frequency silencing element includes a plurality of axially extending transfer tubes thus allowing the low frequency silencing element to function effectively while the exhaust gas flow is directed through the transfer tubes. Different numbers and different diameters of transfer tubes can be used. The outlet section of the transfer tubes can be used to create a high frequency resonator, if desired. Dispersive silencing elements can also be used without a significant increase in back pressure.

Abstract: A seal for use on a disc brake piston/caliper assembly which seals the piston and also functions as a piston-return spring. The seal has a seal-retaining portion, a sealing lip portion, and a radially extending flex portion therebetween for retracting the piston by an amount equal to the flex portion retraction, thus automatically adjusting the piston position to compensate for normal pad wear. The seal can also include a locking flange and a separate pressure sealing lip to allow the seal to function without the previously required separate lathe cut sealing ring.

Abstract: A unitized dual lip seal for providing a seal between a housing and a shaft extending through a bore in the housing, including (1) a wear sleeve connected to the housing and having an inwardly extending radial flange, and (2) an elastomeric member mounted on the shaft with a main sealing lip riding on the inner wall of the wear sleeve on one side of the radial flange and an auxiliary lip on the other side of the radial flange and riding on the outside face of the radial flange. The umbrella-like auxiliary lip prevents formation of a pocket of contaminant and also encourages water drainage to wash sludge away from the auxiliary lip.

Abstract: A Pitman shaft boot seal designed for a static sealing application with one sealing surface compressed against the Pitman arm and the other sealing surface compressed against the steering gear housing. The sealing surfaces are held in place by a compression spring located inside the boot seal. The cylindrical portion of the boot seal is formed with a plurality of identical, equally spaced-apart, parallel, hollow ribs parallel to the axis of the Pitman shaft and extending around the entire circumference of the seal. The ribs allow the boot seal to twist as the Pitman arm moves arcuately, without breaking the static seal at the sealing surfaces.