Abstract: A stuffer crimper having a closed housing forming a heating chamber and a set of spaced rods supporting the core of crimped yarn and holding the core spaced from the walls of the housing. Choke members engage the sides of said core near the inlet end of said heating chamber to control the back pressure of the core. Steam under low pressure is introduced into the chamber between the walls and the core and is caused to permeate the core and act as a heat transfer agent to facilitate the setting of the crimp.

Abstract: The disclosure relates to a threaded bushing which, upon entering and turning in the initially smooth bore of the work piece, will form through its own male thread the corresponding internal thread within the wall of the work piece bore. The bushing is formed with one or more exterior bevels or grooves which extend axially over at least several threads and intersect such threads to form spoon or cup-shaped frontal areas where each bevel or groove merges into a respective thread.

Abstract: The press includes a base structure carrying a press platen and an upper floating head carrying a press platen, the floating head being movable toward and away from the base. A fluid-actuated cylinder is provided at each end of the press to raise and lower the head. A load transfer assembly interconnects opposite ends of the press and includes a transfer bar pivotally connected at opposite ends to bellcranks at opposite ends of the base. Rods at opposite ends of the press connect between the bellcranks and head. When the press is subjected to asymmetrical loadings, the load transfer apparatus transfers a portion of the force applied to the head by the cylinder at one end of the press to the head at the opposite end of the press.

Abstract: A conveyor chain for conveyor cars and the like having a plurality of rollers for engagement with guide rails for the chain and a plurality of members carried by the chain having at least one substantially flat surface extending laterally of the chain adapted to be engaged by a chain driving member.

Abstract: This specification discloses an easy-opening closure for a can end which comprises an opening formed by partially severing a portion from the can end to leave the portion attached thereto by an integral neck, and a closure member formed from said severed portion and which is larger than said opening. The sheet metal adjacent the free edge of the opening is downwardly turned while the sheet metal adjacent the free edge of the closure member is upwardly turned, said free edges being in contact with or in close proximity to each other. A sealant is applied at least in the region of the free edges if required by the purpose for which the can end is to be used.

Abstract: A mechanism for perforating a web of flexible sheet material which is adapted to be used in a flexible sheet material dispenser, said mechanism comprising; a rotatably mounted roller, a rotatably mounted knife positioned adjacent the roller and having a radially outward portion defining a cutting edge for perforating the web as the web passes between the roller and the knife, the roller being operatively connected to the knife for synchronous rotation therewith and having a slot therein for receiving the radially outward knife portion as the knife rotates past the roller, and means associated with the knife for orienting the cutting edge substantially in the direction in which the radially outward knife portion moves with respect to the web during the entrance of the portion into the slot so that when the portion enters the slot the cutting edge will effectively perforate the web.

Abstract: The joint of the invention comprises exhaust pipes formed with beaded ends providing abutting flange-like surfaces that are axially forced together by a clamp applying wedging forces on the external beads. Modified forms of the joint have pilot extensions on one pipe of the joined pair, the bead on this one pipe in each case being spaced from the free end of the pipe. The pilot extension is telescoped within the other pipe bringing the beads together side by side and the clamp is engaged over both beads. In some joints, such as those formed in pipes made of a tough metal, a gasket may be inserted between the beaded ends.The clamp for the joints is one which has a concave groove engaging over the pair of beads to apply the axial force by the wedging action produced when the clamp is constricted. The preferred clamp is made in two halves which have a hinged connection of great simplicity comprising merely a rectangular bight formed on one end of one half and a tongue formed on one end of the second half.

Abstract: The degree of skin irritation of detergent compositions is reduced by adding to the detergent compositions small amounts of a hydroxyl derivative of a polymerized fatty acid or a hydroxyl derivative of a hydrogenated (saturated) polymerized fatty acid, e.g. the hydroxy derivative of dimer acid. .Iadd.

Abstract: A process for imparting oil and water repellency, soil release, and durable press characteristics to a celluosic-containing textile material and product produced by this process, comprising applying thereto an aminoplast textile resin, a textile resin catalyst, a fluorocarbon, and a synthetic acid copolymer, and curing at a temperature of 100-200.degree.C.

Abstract: A self-contained, self-powered, early warning fire detector and alarm of small size and attractive appearance especially adapted for use in residences; the detector including readily accessible sensitivity control and operability test means, and having a standby power source which additionally serves to monitor the primary power source and inform occupants of malfunction of the primary power source.

Abstract: Jumping garment for a parachutist in which means are incorporated for increasing the drag during the free fall. The drag-increasing means comprise openings formed in the wall of the garment in at least one of the sides of the body. The openings are adapted to allow direct entry of air into the space defined by the garment around the body of the parachutist so as to fully inflate the garment.

Abstract: A femur-engaging upper base and a tibia-engaging lower base of a prosthetic knee joint are positively interconnected by an inextensible and incompressible coupling mechanism allowing the two bases to swing vertically between two relative limiting positions about 135.degree. apart, one of these limiting positions corresponding to a substantial alignment of the femur with the tibia. Throughout the swing, a more forwardly located first point (A) and a more rearwardly located second point (B) on the upper base are held at a substantially fixed distances from a more rearwardly located third point (D) and from a more forwardly located fourth point (C) on the lower base, respectively, these four points thus constituting the fulcra of a four-bar kinematic linkage.

Abstract: A flushing and refilling apparatus for use in a flushing cistern includes flushing and refilling valves, an overflow member and a common support having quick release coupling means for easy mounting and dismounting of said apparatus and said overflow member as a unit of assembled parts.

Abstract: The disclosed device provides a normal minimum flush cycle for water closets with the ability to override the short cycle to cause a larger water volume flush cycle. The conventional tank flapper dump valve is modified so as to retain no buoyancy during the flush cycle and a positively buoyant member is adjustably fixed on the valve operating chain an appropriate distance from the valve. When the operating handle is actuated, the added buoyancy holds the valve open while the water level in the tank falls until the added buoyancy member surfaces at which time the valve closes and the tank refills normally. Short cycle override is accomplished by merely holding the handle in the actuated position allowing a greater portion of the water in the reservoir to pass.

Abstract: Water lounge comprises generally rectangular shaped impervious body portion including bottom wall with front, back and side walls extending upwardly therefrom adapted to hold water. Spaced apart wheels are rotatably secured to body portion near back wall thereof, and adjustable backrest is within body portion also near back wall thereof. Drain is provided in bottom wall of body portion, and several props extend downwardly from body portion near front wall thereof for maintaining body portion generally level.

Abstract: An overflow-siphoning device to control the water level of swimming pools or other like pools of water that have peripherally-disposed coping and decking, said device preventing the water level from rising to the joint between the coping-bond beam and the coping. The device, comprising a tubular conduit positioned and fixedly received in a transverse channel formed in the bond beam, has a substantially-flat, elongated mouth defining the inlet therein, followed by an uninterrupted throat portion having an inclined lower wall and a horizontal upper wall, with side walls tapering inwardly to a point of juncture wherein the continuity of the four walls integrally form a circumferential outlet duct, whereby various well-known piping components can be readily attached for diverting the overflow water away from the pool area.

Abstract: A toilet aid is designed for use with a W.C. to assist disabled, elderly and infirm persons using the W.C. The aid is constructed for attachment to the W.C. pan using the normal seat-attachment bolt holes provided in the pan. An arm structure has side support arms which extend fowardly on either side of a user when seated on the toilet seat. The arms have inturned end portions to provide front support for the user, these portions being movable to the side to a front entry position which permits free entry and exit between the arms. When the arm portions are in this entry position the main side portions of the arms remain in their normal side support position, thus being positioned to assist the user when maneuvering into and out of the seated position. The aid can be used with all normal W.C. suites with a standard toilet seat.

Abstract: Process and apparatus for the pattern dyeing of moving pile fabrics such as carpets, by the application of plural, continuously flowing dye streams, wherein the dyes are applied in multiple discrete small increments from the streams and control means are provided for accurately positioning the points of application of the dye increments in the pile fabrics to obtain sharp, detailed intricate patterns.

Abstract: A continuous dyeing process for use in dyeing material, such as carpet, a selected one of a number of colors. The process is performed by providing at least two dye applicator means, advancing a length of material to be dyed along a predetermined path adjacent the applicator means, operating one of the applicator means a predetermined period of time to apply one color dye to the length of material moving along the predetermined path, fixing the first color dye to the length of material, operating the other one of the dye applicator means for a predetermined period of time to apply a second color dye to a length of material moving along the predetermined path, and fixing the second color dye to the length of material. The dye is applied in a foam mixture having predetermined amounts of dye material, predetermined amounts of a thickening material, predetermined amounts of water and predetermined amounts of air processed in a mixing apparatus to develop a foam mixture.

Abstract: A mooring and cargo handling system for difficult-to-handle cargo such as liquified natural gas (LNG), is provided, which includes a swivel unit mounted on a mooring station and having rotatably connected sections respectfully coupled to a shore installation and to a ship that is moored to the mooring station. The swivel unit sections are connected by a rotary bearing and rotary outer seal, and the unit has a wall forming an auxiliary chamber extending along the bearing and seal, so that evaporating LNG must pass through the auxiliary chamber before it can escape through the bearing and outer seal. A gas pipe connects the auxiliary chamber to the ship or the shore installation where the evaporated gas can be flared or reliquified.

Abstract: A unitary frame of an automatic vehicle wash mounts a first and second brush in the path of an advancing vehicle for one brush to scrub the front and one side of the vehicle and the other brush the other side and rear. The frame defines the support and dimensional relationship for the brushes and attendant washing equipment, such as a mitting machine, shampoo applicator and rinsers. The brushes travel in arcs about axes on diagonally opposed posts of the frame and pass beneath elements of the frame. To accommodate this travel along the vehicle path, both the brushes are offset and posts of the frame are staggered. Vehicle contact determines each brush's position along its arc. A tension spring urges the brushes together. The tension in the spring is always maintained to prevent spring sag onto a vehicle, assure positive control of brushes, and prevent brush position reversal.

Abstract: A combination windshield washer and wiper blade used in combination with a pump and reservoir is disclosed. The blade has a hollow center portion with openings leading therefrom to allow flow of fluid therethrough. The hollow central portion is connected by a flexible tube to the reservoir so that when the wiper assembly of the car is actuated the reservoir will pump fluid to the blade which will apply the fluid as a thin film to wash and wipe the windshield.

Abstract: The invention pertains to a windscreen-wiper blade of the type constituted by a large bridge on each end of which is articulated a bar or small bridge to hold a squeegee, wherein the contact between said bar and said squeegee occurs in a plurality of pressure zones.

Abstract: A residual toner removing apparatus which generally comprises four sections communicating with one another, i.e., a cleaner section including a cleaner brush rotatably provided in a housing which has an opening adjacent to a photoreceptor surface, and a duct section which extends from the above housing to a filter section which is in turn followed by a suction section having a fan. Toner particles removed from the photoreceptor surface by the cleaner brush are dislodged from the brush bristles upon contact with a flicker rod to which an air flow regulating plate is fixed and efficiently carried by air flows, through proper gaps, air passages or a slit, into the filter section in which a filter is enclosed.

Abstract: A bumper adapted for mounting on a wall and contacting a door or doorknob to stop the swing of the door towards the wall which is comprised of a resilient bumper which protrudes through an aperture in an annular retaining housing. The bumper has an enlarged annular base portion which abutts the interior front wall of the housing to maintain the bumper within the housing. A deformable plate is disposed within an annular channel in the wall of the housing and upon deformation maintains the bumper rigidly within the housing and provides means for securing the wall bumper to the wall.

Abstract: A hinge device including a hinge arm which embraces an intermediate part lockable on a mounting plate, the intermediate part having hook members or catches which rest in the mounting plate, and a counteracting clamping screw and adjustment means for the hinge arm, the hinge arm or the hinge arm and the intermediate part being broader than the mounting plate.

Abstract: First and second plates are hinged together and designed such that the first plate can be secured to the inside frame or jamb of a door opening and the second plate swung from a position coplanar with the first plate to a right angle position to overlie the marginal face portion of a door when closed. The second plate mounts a bolt for sliding movement in a direction normal to the hinge axis, the hinge shaft having a receiving bore for receiving the bolt when the first and second plates are at right angles to thus lock the plates in right angle relationship. The door is thus secured against opening. The same arrangement may be utilized for hinge mounting cabinet doors wherein the hinge lock serves the dual function of a hinge as well as a lock.

Abstract: A door hold-open mechanism including a door hinge member and a body bracket member pivotally interconnected by a hinge pin, a hinge sector secured to the hinge member and having at least four door stop detent slots or pockets formed therein, a directional cam pivotally mounted on the hinge pin and frictionally connected to the hinge sector and having a pair of seats and an intermediate cam slot formed thereon adjacent the detent slots, a torque-rod mounted on the bracket member, a roller mounted on an end portion of the torque-rod and urged by the torque-rod into one of the four detent slots of the hinge member when the door is stopped and urged by an edge of the intermediate cam slot onto the adjacent seat of the directional cam while the door is in motion, overriding the detent slots until the door is once again stopped.

Abstract: Apparatus for treating slaughtered poultry comprising a plucking device with a plurality of plucking discs arranged on either side of the path of the poultry, provided with plucking fingers directed towards the path of the poultry, further comprising outflow openings directed towards the path of the poultry, provided in the proximity of the plucking discs and connected to pipes, connected to one or more sources of hot water, hot air, steam or another suitable medium or a mixture thereof, the arrangement being such that during the plucking operation performed by the plucking fingers the poultry can be exposed to the effect of the medium brought thereon via the outflow openings.

Abstract: A neck button is provided with a retainer in a manner so that the force applied by tightening a necktie causes a curved portion of the retainer to pivot upwardly and retain the necktie knot in an angled disposition. The retainer projects forwardly of the button and the curved portion of the retainer is concave downwardly beginning in an area adjacent the lower edge of the button.

Abstract: A buckle for fastening a tape around a package, comprising in combination a rectangular frame portion with four sides defining a plane, a flat leg portion also defining a plane and a flexible connecting portion connected to said leg portion and to one of said sides forming a rectangular space, said leg portion being folded at said connecting portion so as to be inserted in said space and supported by said leg portion so that the planes of both said frame portion and leg portion may be substantially flush with each other, whereby a fastening band can be pressed and fastened between said leg portion and said frame portion when it is wrapped around said leg portion and inserted in said space.

Abstract: An attachment clip and assembly for attaching the end of a sinuous spring band to a wood furniture frame rail without the need for any nails or staples whatever and without any hammering or driving to engage the anchoring tangs. The clip has an anchor leg and an attachment leg. Tiny, sharp, upwardly inclined anchor saw-teeth plow in against the outer surface of the rail and automatically embed in the surface when pressure is applied by the spring band secured to a hook on the free end of the attachment leg. Anti-backoff means in the form of anti-backoff feet bearing against the inner surface of the rail and/or outwardly inclined anti-backoff tangs under the attachment leg serve to prevent the clip from becoming unseated when spring tension is released and outward shock loading applied to the clip.

Abstract: A slider locking or retaining means is provided on a concealed type of zipper fastener at a top end thereof for engagement with an element-guide channel defined between a guide post and an inner side wall of the slider. The inner side wall extends substantially parallel with a longitudinal axis of the slider so that the retaining means is held in pressure engagement with the inner side wall and the guide post respectively when external lateral forces are applied to the fastener tapes. This arrangement ensures that the slider is retained in locked position relative to the fastener in its fully closed disposition.

Abstract: A safety belt buckle is provided with a laminated housing formed of top, center and bottom plates. The top and bottom plates have an opening in the central portion thereof. The center plate has an opening extending from an edge of the plate into the center portion thereof, and is made of polymeric material. A guide means, formed by a portion of the center plate, extends from the interior of the buckle to a point of termination on the exterior surface of the housing, for guiding the tongue of a seat belt into the housing. The buckle is small, light, strong, reliable, easy to fasten, comfortable to wear and inexpensive to produce.

Abstract: A reliable but releaseable arrangement for fastening a radio housing and a battery housing together is provided by a tongue and groove respectively positioned at one end of the housings, and by a hasp and catch respectively positioned at a second end of the housings. Separating surfaces are provided on the facing surfaces of the two housings between the one end and the second end so that the housings separate on impact and reduce the shock to apparatus in the housings.

Abstract: A machine for shearing the pile of napped cloth includes a shearing bar and a shearing blade spaced by a variable gap from the bar. A control arrangement in accordance with the invention includes a sensing device for sensing the thickness of the base portion of the material and a further sensing device for measuring the variable gap. Signals from both sensing devices are compared and the output difference, if any, is used to actuate controls which adjust the variable gap.

Abstract: A blank for a coffin or for a top or bottom part of a coffin, comprising a plurality of largely flat sections limited by essentially straight lines, which sections can be folded in relation to each other along interlying borderlines and joined together to form the intended shape. Each and every one of the said sections comprises a flex-rigid sheet applied to a relatively thin layer forming the outer surface of the coffin. The layer forming said outer surface is made of a flexible material with high tensile strength and extends over the entire outer surface of the blank. Further, said layer constitutes the only connection between the sheet sections of which the blank is comprised.

Abstract: This turbulence generator is particularly for use with a yarn texturing air jet of the type having a venturi supported in the exit end of the jet with a yarn guiding needle positioned in the entrance end of the jet and with the space between the venturi and the inner end of the needle defining a turbulence chamber. The turbulence generator is in the form of a tubular extension projecting outwardly beyond the exit end of the needle to increase the size and change the usual shape of the turbulence chamber so that the agitation of the filaments of the yarn is increased in the turbulence chamber to enhance the crimps, curls and loops imparted to the yarn in the turbulence chamber.

Abstract: A mechanism for producing plastic filaments including a means such as an extruder for supplying continuous plastic filaments, drawing the filaments over an arcuate nonfriction surface of a heated heat transfer plate in heat transfer engagement therewith while subjecting the filament to radiant heat opposite the plate, and applying an axial stretching tension to the filament.

Abstract: A flexure compensating roll includes a stationary core, a hollow cylindrical roll shell rotatably mounted about the core, hydraulically actuated pistons received in radial bores of the core for support of the roll shell against a mating roll, and a rotary radial piston hydraulic motor coupled between the core and roll shell for delivery of torque to the roll shell.

Abstract: According to the invention, a mill roll of the type generally used for the grinding and juice extraction of sugar cane and the like has a plurality of peripheral grooves formed circumferentially therein with a number of holes extending radially from the bottom of these grooves into interior channels through which drainage of a further portion of the extracted juice is effected during milling.

Abstract: A method of manufacturing a spherical bearing having an outer cylindrical member, an intermediate yieldable plastic member enclosed and supported thereby, said intermediate member having a concave inner surface and a spherical ball in bearing relationship with said intermediate member, said spherical ball having an outer surface complimentary to said concave inner surface of said intermediate member comprising the steps of preforming the outer member into a truncated conical member having a first radially inwardly annular lip formed at one end thereof, preforming the plastic intermediate member wherein substantially one-half of its inner and outer surface conforms generally to its final shape and the remaining portion of said intermediate member emanates outwardly therefrom, inserting said ball within the inner surface of said intermediate member such that a portion of the convex outer surface of said ball intimately engages the preformed concave inner surface of the intermediate member, inserting the interme

Abstract: A bearing housing for high speed rotating shafts wherein the bearing housing is constructed in two parts with the bearing being of the semi-floating type. One part of the bearing housing presses against the bearing to resist any axial thrust that may be exerted on the bearing during high speed operation. The bearing is floating on a lubricant around its outer diameter in the other portion of the two part bearing housing. With the bearing being stationary in the housing, the only critical surface becomes the internal surface between the bearing and the shaft itself. By varying the position of the two parts of the bearing housing, the passage for the lubricant to enter the bearing housing can be located at a near vertical position while permitting desired orientation of the end of the bearing housing.

Abstract: A vane axial flow fan is shown having a shroud construction which provides greater than normal rigidity in the areas co-extensive with the stator vanes and fan wheel blades. Further, a novel method of constructing an axial flow fan is disclosed wherein the stator vanes are first mounted on an expandable split ring which is then placed within an annular stator housing. The split ring is then expanded to reduce stator vane end clearance prior to being permanently secured in place by welding.

Abstract: Apparatus and method for crimping electrical terminals in strip form wherein a head operates in a down stroke to move a crimping die toward an anvil to crimp a terminal to a conductor, to shear off the terminal and to move a cam against a cam roller on a carriage block to move the carriage block away from the crimping die and anvil, against the force of a compression spring, a feed blade pivotally supported on the block being then moved rearwardly along a terminal strip carrier portion. In the upstroke of the head, the carriage block moves into engagement with a stop screw, the feed blade being engaged in an aperture in the terminal strip carrier portion to move a terminal to a crimping position. Drag means are provided to prevent reverse movement of the terminal strip and guide means are provided including an elongated element engageable with terminal projections.

Abstract: A core wire-connecting device has a reciprocative housing; a rotor rotatably mounted therein and having a plurality of front receptacles and the same number of rear receptacles formed in mutual alignment in the peripheral surface of the rotor equidistantly in a circumferential direction; a connector disengaging member for inserting a connector constituted by a sleeve and a conical wedge received therein into the front receptacle in a first position of the rotor; a wedge-removing member disposed ahead of the rotor in alignment with the front receptacle in the first position of the rotor so as to force the conical wedge received in the sleeve placed in the receptacle into the corresponding rear receptacle; a core cutting-off mechanism disposed close to the front end of the rotor at the second position of the rotor spaced through a prescribed phase angle from the first position thereof in the rotating direction; a core-holding unit provided in front of the housing to support core wires except when the rotor is r

Abstract: A fastener installation head having a reciprocating plunger receiving fasteners through a transverse fastener passage from a feed means. The feed means comprising a drive link pivotally connected to a stationary housing component, a guide means translating the arcuate motion of the drive link free end into linear motion relative to a relatively movable housing component, a driven link pivotally connected to the movable housing component and a pawl means reciprocating in the fastener passage feeding fasteners to the plunger.

Abstract: The disclosed self-fastening nut includes a rectangular flat end face which is received against the panel, a smooth cylindrical central bore perpendicular to the end face and a pair of linear grooves equally spaced from the bore and dividing the end face into a central pilot and a pair of flanges. The nut is assembled on a cylindrical punch which extends through the nut bore, beyond the end face and punches a hole in the panel in registry with the nut bore. The panel is supported on a die having two upstanding clinching lips which deform the panel into the nut grooves and the panel is simultaneously urged against the nut to lie flat against the end face.

Abstract: Method and apparatus for tightening a bolt or a machine screw to exert a predetermined tension force by monitoring bolt elongation while the bolt is being installed. The apparatus of the present invention includes a drive means adapted to engage the head of the bolt and torque applying means for rotating this drive means to thereby rotate and tighten the bolt. An ultrasonic transducer is associated with the drive means to contact the top of the bolt's head when engaged by the drive means. A power supply is provided to energize the ultrasonic transducer to generate ultrasonic energy which is transmitted lengthwise through the bolt to its shank end and is reflected from the shank end lengthwise back through the bolt to its head to be received by the ultrasonic transducer. A monitor coupled to the ultrasonic transducer measures the time required for the ultrasonic energy to complete this round-trip cycle and thereby monitors the elongation of the bolt indicated by change in this cycle time.

Abstract: An apparatus and method are disclosed for applying designs to pierceable materials, such as fabrics, paper goods, leather, etc., from a continuous supply strip containing intermittent design portions equally spaced along the length of the supply strip. The apparatus comprises feeding means for intermittently feeding the supply strip to a shearing, bending, driving and clinching station positioned above a clinching die; shearing means for severing a length of said supply strip from the end thereof; bending means for bending the cut off length into an approximately U-shaped member having a bight portion and side leg portions; driving means for driving the U-shaped member into the clinching die and through any pierceable material positioned above the die; and locater means for establishing a proper start position for the supply strip so that the design portions thereof will constitute the bight portions of the U-shaped members.