Abstract: A processing chamber having a predetermined cross-sectional area, and an overhead conveyor system extending therethrough, the conveyor system incorporating a plurality of movable support members or trollies, and a plurality of generally downwardly dependent carrier members extending from the conveyor system at spaced apart intervals therealong at least some of the carrier members having at least two releasable attachment means thereon vertically spaced apart from one another a predetermined distance, and there being a plurality of meat product hanger members, one meat product hanger member being releasably attachable to a said attachment means, and each of the meat product hanger means being adapted to support a predetermined load quantity of meat products, in spaced apart relation from other meat products supported on the other meat product hanger members, whereby on at least some of the carrier members, the meat products may be supported in separate load quantities, in vertically spaced apart relation from

Abstract: Two strip materials from which portions may be severed and used together as a releasably engageable fastener. Each strip material comprises a bonding layer in which are embedded a plurality of U-shaped monofilaments. Each U-shaped monofilament includes two headed stem portions adapted to engage the headed stem portions of the other strip material, and the monofilaments are rectangularly arrayed, and spaced to provide a number of headed stem portions per unit length that are different from and not a multiple of or evenly divisible by the number of headed stem portions per unit length on the other strip material in any direction so that upon engagement the rows of headed stem portions of one strip material cannot readily slip between the rows of headed stem portions on the other.

Abstract: To optimize the manufacture of color-picture tubes, automation of the repeated insertion of the shadow mask into the faceplate is desired, but difficulties are encountered because of the undefined positions of the connection members (faceplate studs and shadow mask leaf springs). To solve the problem, a device is disclosed which acts on the connecting members and brings them to a defined position relative to the device to permit automatic engagement of the connecting members.

Abstract: A method of making a polymeric piezoelectric acoustic transducer tape that is thin enough to be stored in roll form and adapted for placement on a lengthy supportive surface is disclosed. A piezoelectric film is heat-formed to provide a plurality of repetitively curved portions therein, conductive electrodes are applied on opposite surfaces of the curved film, a long, narrow layer of flexible, resilient material is adhered to one surface of the curved film and one or more adhesive portions are applied to the surface of the resilient material.

Abstract: Bearing components, such as cages, rings, retainers, washers, spacers and the like, are formed from flat stock strips in preference to the employment of known methods of blanking same from stock having a dimension as great or greater than the larger dimension of the end product.

Abstract: Bearing components, such as cages, rings, retainers, washers, spacers and the like, are formed from flat stock strips in preference to the employment of known methods of blanking same from stock having a dimension as great or greater than the larger dimension of the end product.

Abstract: A method of fabricating a prestressed cast iron vessel wherein double wall cast iron body segments each have an arcuate inner wall and a spaced apart substantially parallel outer wall with a plurality of radially extending webs interconnecting the inner wall and the outer wall, the bottom surface and the two exposed radial side surfaces of each body segment are machined and eight body segments are formed into a ring. The top surfaces and outer surfaces of the outer walls are machined and keyways are provided across the juncture of adjacent end walls of the body segments. A liner segment complementary in shape to a selected inner wall of one of the body segments is mounted to each of the body segments and again formed into a ring. The liner segments of each ring are welded to form unitary liner rings and thereafter the cast iron body segments are prestressed to complete the ring assembly. Ring assemblies are stacked to form the vessel and adjacent unitary liner rings are welded.

Abstract: A method for producing semiconductor memory devices each including an MNOS-type transistor and an MNOS-type capacitor or an MOS-type transistor and an MNOS-type capacitor. A thick oxide layer is formed in predetermined patterns on the surface of the substrate so as to separate the memory cell areas. The surface of the wafer is then oxidized to form a thin oxide layer on which a layer of silicon nitride is deposited and over which a layer of polycrystalline silicon is formed. Portions of the layer of silicon nitride and layer of polycrystalline silicon are etched away in preferred patterns as are second portions of the layer of polycrystalline silicon to partially expose the layer of silicon nitride. Portions of the thin oxide layer are removed in areas where the second portions of the layer of polycrystalline silicon are etched away to thereby expose a first portion of the surface of the wafer. Following the diffusion of impurities into the wafer, a layer of thermal oxide is formed.

Abstract: An integrated injection logic device is formed in a pocket of semiconductor material surrounded by oxide isolation, and separated from a substrate by an intervening region of opposite conductivity. The steps for forming the integrated injection logic device include depositing a first material which includes a first conductivity type impurity over a first portion of the epitaxial layer, treating the first material to cause at least some of the first conductivity type impurity to enter the epitaxial layer, and introducing an opposite conductivity type impurity into a second portion of the epitaxial layer. Typically, the first material is polycrystalline silicon doped with p conductivity type impurity.

Abstract: A self-aligned metal process is described which achieves self-aligned metal to silicon contacts and sub-micron contact-to-contact and metal-to-metal spacing in the Integrated Injection Logic (I.sup.2 L) technology. The method involves providing a silicon body and then forming a first insulating layer on a major surface of the silicon body. The first insulating layer is removed in areas designated to contain integrated injection logic devices. A layer of highly doped polycrystalline silicon is formed thereover. The conductivity of the polycrystalline silicon is opposite to that of the silicon body. Openings are made in the polycrystalline silicon layer by reactive ion etching which results in the structure having substantially horizontal surfaces and substantially vertical surfaces. The openings are formed in areas designated to be the base of the lateral injector transistor of the integrated circuit.

Abstract: A device for introducing an anti-microphony sponge into an air-cored coil for television channel selectors comprising an axially displaceable hollow mandrel with an end portion which comprises two diametrically oppositely situated slots. Two blocking members can be introduced into the slots, after which cutting means are displaceable in a direction transversely of the axis of the mandrel. After the introduction of a length of spongy material into the mandrel, an air-cored coil is arranged on the end portion of the mandrel, after which the blocking means are moved into the slots so that the length of spongy material is clamped on both sides of the air-cored coil. Subsequently, the mandrel is withdrawn from the coil and the length of spongy material is cut in the zone between the blocking means and the withdrawn mandrel, a piece of spongy material then being left behind in the air-cored coil.

Abstract: A knife apparatus comprises an elongated handle member formed with a groove of a C-like cross-section, a slide unit disposed longitudinally slidably within the groove, and a blade slidably disposed in the groove and having a base portion connected to the slide unit. Locking member is provided for the slider unit and adapted to mesh with a tooth train formed in at least one longitudinal edge of the groove, to thereby immobilize the slide unit and hence the blade relative to the handle. A manipulator plate having a cam groove is disposed on the slide unit over the locking member to control the locking member, whereby the slide unit is moved between the locked and the released positions under the control of the manipulator plate.

Abstract: A tool for trimming the downward hanging foliage of willow trees including a blade secured to a U-shaped handle having an unobstructed central area designed to pass over the torso of the user as it is swung overhead. The distance between the arms of the frame increase with distance from the blade. The dimensions, weight, and balance of the tool are such as to minimize the effort required in trimming.

Abstract: A classification gauge and method of operation for accurately and repeatably measuring the open flow area of a pair of air foil or vane elements interconnected by end buttresses, the classification gauge including first and second sets of probes arranged for contact with the vanes adjacent the open flow area and first and second lateral probes for engaging the end buttresses, an indicator of open flow area being effectively interconnected with the two sets of probes and the two lateral probes by means of a proportional mechanism.

Abstract: Disclosed is a multi-purpose measuring gauge in which three probes are secured to and movable with respect to a T-shaped housing. Two outer probes are secured to members which are slideable along parallel slots in the housing. The probe members comprise a rack and are moved by a pinion. The pinion is coupled to a micrometer caliper. The dual travel of the rack and pinion thereby retains the respective relationship between the two probes and the third probe, which is disposed equidistant between the two probes. The stem of the T of the housing has therethrough the third probe. All of the axes of the probes are parallel. The ends of the two outer probes are co-planar. The third probe is moved perpendicularly with respect to that plane by means of another micrometer caliper rotatably secured to the housing. The facing sides of the two outer probes are planar to aid in making measurements. Indicia on each caliper provides a direct reading to make a variety of measurements.

Abstract: A testing apparatus for involute and helical gear teeth comprises a rotatable chucking device for the test piece, and a feeler device containing a feeler which can be moved along the tooth flanks of the test piece. A respective drive serves for driving the chucking device and the feeler device. A regulation device is provided for at least one of these drives, and a mechanical transmission arrangement is provided between the chucking device and the feeler device. A displacement pickup or transducer is arranged between two elements of the transmission arrangement and serves to measure the relative movement of both such transmission elements. An electrical circuit serves to infeed the measuring signals of the displacement pickup or transducer to the regulation device and such signals are superimposed upon the measuring signals of the feeler device.

Abstract: A plurality of gauges are provided with each gauge including a horizontal arm, a vertical elongated measuring member guidingly supported from one end of the arm for adjusted vertical shifting relative thereto and first lock structure operatively associated with the arm and the measuring member for releasably locking the measuring member in adjusted shifted position relative to the arm. A vertical standard is provided including mounting structure supporting the arm from the standard for vertical shifting therealong with the arm disposed at right angles relative to the standard. Second locking structure is operatively associated with the arm and the standard for releasably locking the arm in adjusted shifted position relative to the standard and levelling structure is carried by the arm for indicating when the arm is precisely horizontally disposed.

Abstract: A sport shoe sole having a ground sole rigid and of excellent abrasion resistance and an elastic interlayer body bonded to the ground sole, in which the interlayer body is provided at its heel portion with an air inclusion means such as grooves and apertures that open at least to one side of the interlayer body.

Abstract: A sport shoe sole having a ground sole rigid and of excellent abrasion resistance and an elastic interlayer body bonded to the ground sole, in which the interlayer body is provided at its heel portion with an air inclusion means such as grooves and apertures that open at least to one side of the interlayer body.

Abstract: An independent insole assembly embodying an insole attachment member, or both insole and sole attachment members, each of which is integrally formed with depending pegs or clips for connection to spaced resilient means or springs that are interposed between the insole attachment member and a shoe sole, or between the two attachment members in the case where both insole and sole attachment members are used. The assembly is adapted to be incorporated in and connected to a shoe sole and upper during its manufacture and assembly of a shoe thereby to become an integral part of the shoe, with the resilient means or springs projecting upwardly from the shoe sole and resiliently supporting the independent insole assembly thereon. The insole attachment member has a foot-supporting portion and upstanding side portions which embrace the sides and heel of the wearer's foot to protect them from direct friction with the shoe upper during use.

Abstract: Novel surfing footwear is provided which comprises a foot covering in the form of a flexible boot or sandle, preferably open toed, or a thin elastic stocking, the bottom of which includes surf board traction improving means, such as spaced suction cups or the like, integral with the boot, sandle, or stocking, or individually or collectively releasably secured thereto. Preferably, the suction cups extend up around the heel and, in the case of the boot or sandle, may decrease in height from rear to front to permit the surfers' toes to contact the surfboard to "hang ten". The bottom portion of the boot or sandle may be thickened to stabilize the boot or sandle and to make the action of the suction cups more uniform. The footwear is light in weight, inexpensive, durable, and highly effective to increase traction of the surfers' foot on the surfboard for improved surfing.

Abstract: An athletic shoe having an upper with a counter forming a heel cup carried above a sole having an outsole, midsole and heel wedge. A support band is formed integral about the upper rim of the midsole and is secured about the sidewalls of the heel cup for supporting and stabilizing the heel cup relative to the sole when the shoe contacts the running surface.

Abstract: A snow blowing machine is disclosed, in which collection and throwing of snow is effected by an auger and blower assembly rotating at high speed and which is in direct engagement with the ground, the auger and blower assembly having blades edged with an antifriction material which reduces the frictional engagement of the auger and blade assembly with the ground, the residual friction providing the motive force for moving the snow blowing machine across the ground, thus eliminating the requirement for a separate drive for that purpose, and also eliminating a separate drive to the blower.

Abstract: The dredging apparatus includes a vertical hollow body arranged to be lowered to the ocean floor and incorporating a venturi entrance at a bottom opening converging to a throat and thence widening abruptly to define an annular step facing upwardly. The diffusion portion of the venturi extends from the step to the upper part of the body and is defined by a gradually widening or increasing diameter portion. Compressed air or gas is introduced into the throat of the venturi at the annular step by passing the gas through a series of vertical holes or orifices passing through the step. The step results in cavitation of the flow of fluid and debris past the exit end of the throat at the step area to result in a reduced pressure at the step surface to thereby facilitate the flow of gas upwardly through the step. The fluid and debris are passed up to the surface of the ocean by an appropriate conveying means either in the form of flexible hose or a series of pipe sections.

Abstract: A cutter head for a cutter dredger, which cutter head has a disc-like configuration with a bottom plate being rotatable and carrying a row of blades adjacent the circumference. The soil loosened by the blades, whether or not aided by the bottom plate, is transported to a suction nozzle arranged in scooping relationship within the row of blades, which nozzle may be fitted with an attachment adapted to bring the effective suction nozzle opening to adjacent the soil loosening location.

Abstract: A hydraulic steering mechanism is used in a self-propelled, non-riding trenching machine of the type having a chassis, a power source, a hydraulic pump driven by the power source, a reservoir supplying hydraulic fluid to the hydraulic pump and a digging boom. The steering mechanism includes a front wheel assembly journaled into the chassis, a double acting cylinder pivotally mounted to the chassis, a piston and rod slidably mounted within the cylinder and pivotally connected to the front wheel assembly, a first port located on one side of the piston and a second port located on an opposite side of the piston, and a manually operable three-position valve communicating with the hydraulic pump and the cylinder so that hydraulic fluid can be directed from the pump alternately to the first or second ports causing the rod alternately to extend or retract thereby rotating the front wheel assembly from side to side.

Abstract: The disclosure relates to an ironing device comprising an iron having an electrically heated and temperature regulated sole, at least one temperature sensor positioned in the vicinity of said sole, and a heater connected to an external electric supply. A temperature regulator is positioned remote from the iron for controlling the current supply to the heater and is responsive to the temperature sensor. The temperature sensor has at least one temperature-dependent resistor and at least one compensating resistor connected with the temperature-dependent resistor. An actual-valve input sets the desired temperature of the sole. The temperature-dependent resistor is also connected to the actual-value input.

Abstract: An adjustable frame assembly for releasably clamping fabric material for needlework in which four identical frame members are detachable and adjustable relative to each other to form a frame of a selected size and which employs clamping elements cooperating with the frame to hold fabric material in a taut relationship to the frame without puncturing the fabric.

Abstract: This specification discloses various indicators suitable for use in association with garment hangers for indicating the size or some other garment characteristic. In one embodiment the indicator comprises a molded body shaped to represent letters or numerals indicating the size of the garment and having a headed shank extending rearwardly therefrom, which shank is resiliently deformable to enable the shank to be inserted in and removed from a slot formed in the hanger. The indicator comprises a hollow four sided body in the shape of a trapezium, said body being adapted to engage a specially formed head on the hook of the hanger so as to be removably engaged thereon. The body is formed with cut out portions in the shape of letters or numbers indicating the size of the garment. The specification also discloses a garment hanger having means for supporting size indicators of the types described above.

Abstract: A directory assembly suitable for use in apartment complexes, mobile home parks, medical and business centers, etc. The directory assembly is comprised of a plurality of modules attached to the front surface of a backboard member. Each of the modules has a left-side major frame member, a right-side major frame member and a plurality of tab members. The right-side and left-side major frame members are identical in shape and each has a longitudinally extending channel in its top surface. Each of the tab members have an elongated body with downwardly extending resiliently compressible structure on its opposite ends that are mateable with the longitudinally extending channels of the major frame members.

Abstract: An indicia display device including an outer casing having at least one opening or window. A non-planar guideway is provided within the casing and a sheet of flexible material is mounted for rotation within the guideway and conforms to the non-planar configuration of the guideway. The sheet carries indicia, such as numerals, words, or the like, which is disposed in a generally circular pattern about the axis of rotation of the sheet, and the window is located in alignment with the pattern of indicia. By rotating the sheet within the guideway, the indicia can be successively exposed through the window to the viewer.

Abstract: A portable display unit for display of advertising material or other informational or decorative material on changeable display cards and for storage of other display cards. The display unit includes a rectangular box-like housing convertible between a collapsed or closed and portable configuration and an erect or a display configuration supported on a stand. At least one wall of the housing is comprised as a removable panel to expose a picture type frame surrounding a viewing area to be filled by the display card to be viewed. A retractable handle is provided for transport of the unit from place to place in the collapsed or closed configuration.

Abstract: A trigger mechanism for semi-automatic and automatic firearms is provided which comprises a hammer having a release dog and a trigger having a stop dog for the cocking and safety positions assumed by the trigger during the various steps of operation of the trigger mechanism.

Abstract: An improved, self-closing propellant charge package adapted for use with a gravity-operated loading device for a powder-actuated tool, comprises a tubular body having one end at least partially closed, the other end being open, and having a portion, adjacent to the open end, which is integrally formed with a plurality of deformable, charge-retaining nodes which are adapted for reformation between a first, undeformed condition, wherein passage of charges is prevented, and a second, deformed, condition admitting of ready passage of charges. The package is adapted for telescoping emplacement on a projecting tubular loading port insert on the loading device, whereby the nodes are displaced, allowing the charges to pass into the insert and, thence, into the loading device.

Abstract: A improved animated wildfowl decoy with self-contained power and control systems featuring selectable solar energy power or alternative battery power, continuous solar energy re-charge of battery, unique new highly efficient capstan type torque conversion system, positive movement back and forth across the water, automatic direction reversal, sporatic movements, and unaffected by wind, currents or shallow water.

Abstract: A toy food processor includes a housing and a bowl in the shape and appearance of a food processor. Various food items are provided which may be removably mounted in an accessible compartment of the bowl. Mounting of a particular food item within the compartment positions the item for slicing by the food processor. A manual crank rotates a cutter blade which successively slices segments from the bottom of the food item and discharges the slices through a chute on the front of the bowl.

Abstract: In the agriculture of various crops, required weeding or defoliation is commonly achieved by the application of chemicals or by flaming. Health and environmental hazards limit the number of chemicals which can be used. Chemicals are slow acting and can be prematurely washed away by rain. Flaming requires careful control and in many cases is impractical. Cryogenic defoliation carried out by spraying an inert liquefied gas such as nitrogen presents no health and environmental hazards and is not impaired by subsequent rain.

Abstract: Pairs of upstanding wire-like members have their lower ends positioned adjacent each other and anchored in the ground in longitudinal spaced relation to each other. Adjacent wire-like members of adjacent pairs extend upwardly across each other and form spaced apart upper end portions. Each upper end portion terminates alongside the upper end portion of a next adjacent wire-like member of a next adjacent pair of wire-like members to form spaced apart pairs of upper end portions. A sleeve-like connector element telescopes over the crossed portions of adjacent wire-like members. A connector member extends between and detachably connects the adjacent pairs of spaced apart upper end portions.

Abstract: A safety device for a vehicle door of the type actuated by a turnable shaft driven by a piston cylinder unit having a piston rod connected by a hinge bolt to a lever arm fixedly mounted on the turnable shaft. The safety device comprises a carrier coupled to the lever arm and slidably receiving the piston rod, a switch element on the carrier and a control element on the piston rod. When the door encounters an obstacle, the control element is brought into contact with the switch element to reverse the direction of movement of the door.

Abstract: This invention is related to an automatically opening door for pets, mounted in an opening of a building without requiring changes to the opening structure.

Abstract: A slideable closure construction comprises a frame having a track with a pair of closures slideably mounted therein. The closures include interior end edges which abut in a closed position, and are spaced apart in an open position. A male latch member extends continuously along the length of the end edge of one closure, and a female latch member extends continuously along the end edge of the other closure. The male and female latch members form a snap lock which securely interconnects the two closures in the closed position, and simultaneously forms a weatherproof seal therebetween.

Abstract: An apparatus for beveling the edges of glass including a base, an exterior case mounted on the base containing a pair of electrical motors, the motors respectively rotating a pair of beveling spindles which extend an adjustable distance through a pair of apertures in the top surface of the case so as to contact and bevel the glass. Mounted above the base at the back exterior of the case is a further electrical motor for directly driving two rotating wheels, a lustering wheel and a polishing wheel. The case further contains a fluid reservoir and tubes for delivering water or wetting agent to the surface of the beveling spindles and switching and electrical circuitry for controlling the three electrical motors and fluid delivery system.

Abstract: An apparatus and method is provided for making endless multiple rib power transmission belts each comprising one or more pulley engaging sections by separating these belts from belt bodies having a greater number of pulley engaging sections. The apparatus comprises support means, a belt holding and rotating assembly mounted on the support means and a cutting assembly mounted on the support means.

Abstract: A double-head automatic grinding machine which comprises a machine base, a work table supported on the base for movement in the longitudinal direction of the base and supporting a main shaft support block and an opposing tail stock for pinching a workpiece therebetween, a grinding wheel support block movably supported on the machine base for movement towards and away from the table in a direction normal to the table movement path, a vertically movable lifting block slidably mounted in the grinding wheel support block and supporting a pair of grinding wheel shafts in a vertically spaced relationship.

Abstract: An abrasive grinding machine is particularly suited for the removal of slag surrounding the edges of metal workpieces torch-cut from flat stock. The grinding machine includes a longitudinal conveyor that is tilted about a longitudinal axis so that one longitudinal edge is lower than the lower. A fence is positioned along the lower edge to retain and guide workpieces as they are carried forward by the conveyor. A grinding head consists of an endless grinding belt carried and driven by upper and lower parallel rollers. The lower contact roller is positioned in spaced relation to the upper flight of the conveyor. The contact roller is positioned with its rotational axis at a predetermined acute angle measured clockwise from the forward line of conveyor movement. The rollers are driven so that the grinding belt moves toward the fence, creating a major component of movement perpendicularly toward the fence and a minor component of movement in the direction of conveyor belt movement.

Abstract: The disclosure is directed to a self-centering feed apparatus for a dual head abrasive grinding machine. The grinding heads are mounted in opposed vertical relation, and workpieces are fed therebetween along a horizontal center line or plane. The self-centering feed apparatus comprises at least two sets of control arm mechanisms mounted above and below the center line. The control arm mechanisms of each set are mounted in side-by-side relation on a common pivot shaft, and are independently movable toward and away from the center line as the workpieces move through. Each mechanism includes a drive wheel for engaging the workpiece and driving it through the machine. Each control arm mechanism is urged toward the center line by a spring loaded pneumatic actuator that provides a constant gripping force, and which also generates a resistive force that increases as a function of deflection of a control arm mechanism from the center line.

Abstract: An attachment for use on a rotary floor conditioning machine comprising a master block which is integrally molded of a urethane elastomer including a centrally located hub with a circular flange member extending radially from the base thereof. A plurality of spaced vertically extending tubular receivers are carried on the circular flange. An integrally molded attachment made of urethane elastomer is provided for being attached to the master block through vertically extending posts. Stiff bristles extend out the lower surfaces of the attachment plate. The attachment plate may be molded in two stages so as to produce a stiff upper layer and a more flexible lower layer.

Abstract: An eccentric plate grinder has a housing, a driving shaft with an eccentric at one end and a grinding plate, on which abrasive paper is fixed, powered by the eccentric. The grinding plate and the driving shaft are joined together by way of a transmission so that the path of any given grain of abrasive material on the grinding plate will be cycloidal and not in a simple circle.

Abstract: A simplified method of making and sharpening tools used in electrical discharge machining to avoid the laborious process of making a master die, a plastic master, several graphite blocks, a steel cutting tool and a final graphite block as a finished electrode. The present process uses a Surfalloy process wherein metal is deposited on a prepared block to have a sharpness characteristic equal to that of a finished steel tool. Thus, new tools can be made in about one hour where previous steps required about 90 hours.

Abstract: A mounting for an inflatable dock seal which is used for closing the area around a dock opening in a wall with respect to a truck or trailer provides uninflated flexible tubular members on several sections of the inflatable dock seal and positions structural members in the flexible tubular members. A rigid mounting channel is secured to the wall about the dock opening which permits the quick and easy engagement of the structural members within the channel. Cylindrical holding plugs are then positioned in the channel locking the inflatable dock seal on the wall about the dock opening therein.