Abstract: High voltage insulator is produced by inserting a fiber reinforced core into the mold and filling the mold from the bottom through a casting pipe line attached to a tank for a ready to use liquid silicon rubber mixture, and transferred to the heated mold where crosslinking of the mixture occurs.

Abstract: The apparatus for processing synthetic thermoplastic material includes a receiving container, containing a disintegrating and blending member, which is disposed near the bottom of the container and which rotates about the axis of the container and with which a screw extruder is in flow connection through an opening in the wall of the container. For a trouble-free, absolutely even and continuous charging of the screw extruder, irrespective of temperature and rotational speed, the arrangement is such that the cylinder, surrounding the extruder screw of the screw extruder, opens out with its front-end charging opening at least approximately tangentially in the inside wall of the receiving container.

Abstract: A steam venting extruder feeder is provided for gravity feeding of flowable solid materials into a food extruder downstream of the first normal first zone feed port. The steam venting extruder feeder feeds the material down a tube while simultaneously venting steam from within the extruder around the periphery of the feed tube inside an outer tube in which compressed air is forced to assist in the flow of steam and pulls air in with the feed material preventing steam condensation and build-up in the feed tube.

Abstract: The invention provides a method and apparatus for the high pressure injection of polyurethane foam into a hollow envelope using means of the type including a chamber for mixing the constituents of the polyurethane foam, a cylinder communicating with said chamber and open at both its ends, one of its ends opening into the orifice of the hollow envelope and the other end serving as inlet for a piston adapted for sliding in said cylinder and driving the polyurethane foam therefrom into said envelope, wherein said envelope is substantially vertical, its upper end opens into the orifice of the hollow envelope and is of a volume close to half that defined by the envelope and the movement of the piston in said cylinder is adjustable in synchronism with the cycle of the mixing head.

Abstract: For making food pellets, the raw material is first subjected to a first pelleting treatment under pressure, after which the obtained pelleted product is treated at least in part on a pressure pelleter at least for a second time. A feeding arrangement for feeding the material once pelleted to a pelleting die is respectively arranged either within a single pressure pelleter or between two pressure pelleters connected in series for carrying out such process.

Abstract: Apparatus for treating a thermoplastic resin is made up of a feed barrel supplied with the thermoplastic resin, a slit barrel for discharging a liquid component of the resin, a press-in barrel into which a polymer is admitted under pressure, and a vent barrel having a vent opening for discharging vaporized substance generated by the thermoplastic resin and the polymer. These barrels are serially interconnected to from a cylinder which contains a screw for kneading a mixture of the resin and the polymer. The kneaded mixture is extruded as a strand.

Abstract: Casting resin components (4,5) coming together in a mixer (6) are dosed and circulated by means of pump structures (3). Each pump structure (3) has a dosing pump (17, 9) and a circulating pump (16, 10). The piston (17) of the dosing pump (17, 9) does not leave its cylinder bore (9) during a pure circulation operation, while the piston (16) of the circulating pump (16, 10) alternately exits from its cylinder (10) and again moves into same.Since the same drive is used for the circulating pump (16, 10) and the dosing pump (17, 9), the expense of the system is low.

Abstract: A machine for making bricks and paving blocks, including a turntable having four moulds; a drive unit for rotating the turntable between work stations; a mixing chamber for raw materials; a hopper to receive mixed raw materials and to deliver them to each mould in turn; a hydraulic press to compress materials in a filled mould; and a ram for ejecting the resulting masonry product from the mould.

Abstract: A blending apparatus particularly adapted for blending or mixing candy, cookies, nuts or fruit with the material of a cold flowable substance, such as ice cream, includes a blending container, a rotatable auger having a rotatable cutter displaceable into and out of the container, and a device for causing recirculation of at least a portion of the ingredients within the container during mixing. The auger is rotatable within the container with the cutter being rotated at a different angular velocity from the auger. The cutter is effective to cut large portions of the ingredients in the container into smaller portions.

Abstract: The process, conducted completely under vacuum, provides that a material of any kind (marble, stone or material of other nature) of variable particle size is introduced, together with a binder (organic or inorganic) into a mixer (2) and then, after having achieved the complete homogeneity of the mixture, is discharged in a convenient manner into a mouldbox (1) which is then transferred to the interior of a press (6) where the beam (8), provided with vibrators (10), subjects it to a combined action of pressure and vibration of the mass which the mixture in volume to result in blocks suitable to be cut into slabs or into blocks of lesser dimensions according to need.

Abstract: Grittiness in soap-containing formulations, one source of which is the reworking of previously processed soap, is reduced in an efficient manner by passing the formulation through a cavity transfer mixer.

Abstract: An improved window gasket assembly and the apparatus and associated method for reaction injection molding such assemblies, as well as other molded articles, are disclosed. The gasket is preferably integrally molded from an elastomeric material such as urethane onto a substantially transparent window panel. The gasket and window assembly can then be mounted and secured directly to a vehicle body panel opening, for example, with adhesives, thereby eliminating the need for discrete mechanical fasteners. In a preferred embodiment of the invention, an improved aftermixer and gating apparatus includes a mixing body in which a flowable multi-constituent molding material is separated into a number of generally serpentine mixing passageways and reunited in a common mixing cavity before being conveyed through a fan-gate passageway to the mold cavity.

Abstract: A driven stirrer mounted above the melting grid in a melt grid spinning apparatus provides a means to distribute flake, descending from source of supply to the melt grid away from the center of the grid toward its sidewalls.

Abstract: The machine continuously produces pasta filata cheese by stretching curds while adding hot water then moulding the pasta filata obtained into cheese such as mozzarella, provolone, etc.The curds are sprayed with hot water by nozzles (52, 55) and are pushed by twin augers (53) along a channel (54) into a vertical, substantially cylindrical stretching chamber (68) where a rotating stretching swift (74, 79) having radially projecting, arched paddles (79) stretches the curds into pasta filata against the reaction of a stationary, wall-mounted paddle (78). This spills over a partition (72) onto other augers (57) that feed the pasta filata to moulding means.The moulding means preferably comprise a rotating moulding drum (90) having surface cavities (99), against which pasta filata is pushed through apertures (94) in a distributor block (92). A piston mould (100) mounted on a slide (98) for reciprocating motion between a filling position and a delivery position is also preferably provided as an alternative.

Abstract: A method for continuously forming wide, thin chewing gum slabs suitable for forming sheets and bands ready for packaging in an automatic wrapping machine is disclosed. The method involves compounding a chewing gum paste; extruding the formed gum paste as a wide thin slab through a die mounted on the discharge end of the extruder; cooling the extruded gum paste slab; and passing the gum paste slab through no more than two sets of calender rolls.

Abstract: The present invention concerns an ice cream machine for home use. The ice cream machine of the invention having a mixing auger and a mixing cone uses a unique drive system to vertically drive the cone to engage the auger and mix the products contained within the cone. An arc gear, pinion gear and a rack gear are provided in the drive train of the invention and are intermeshed with each other and interconnected with a manually operable lever arm to accomplish the desired vertical drive of the mixing cone. This configuration allows increased leverage and efficiency in the vertical drive movement. Also provided herein are various size reduction and easy cleaning features. Finally the unique gear drive train allows for a steady extrusion of a deliciously mixed, flavored ice cream or ice milk product.

Abstract: A soap-containing formulation capable of becoming transparent on working is subjected to shear between two mutually displaceable surfaces. A shear zone is formed in the formulation as the latter is entrained in the surfaces.

Abstract: This disclosure is directed to an apparatus to process pizza dough. The apparatus includes a platform to support the dough to be processed, and further includes a platen having finger-like projections positioned to operatively come in contact with the dough. The platform and platen are caused to oscillate relative to one another along an axis perpendicular to the dough support surface, and also move rotationally relative to one another in a plane parallel to the dough support surface. The motion of the platform and platen is in a predetermined timed relationship to cause the projections to engage and process the dough.

Abstract: An extruder for polymeric materials, comprising a housing forming a mastication stage with one or more feedscrews, includes a preheating and premixing stage with a cylindrical chamber centered on a vertical axis which is eccentrically traversed by a supply passage for the feeding of polymeric material to the mastication stage. The chamber, which is heated from the outside, contains two mixing wheels jointly rotatable about the axis, each wheel having a plurality of raker arms projecting from a hub to the chamber periphery in an off-radial direction and with a tilt causing the arms of the upper wheel to draw incoming fresh material toward the axis and down into the orbit of the arms of the lower wheels which in turn drive the material toward the periphery and, to the extent that an outlet port leading to the mastication stage is obstructed, back into the orbit of the arms of the upper wheel for recirculation.

Abstract: The phases present in a shear sensitive soap-containing formulation are controlled and may be changed by passing the formulation through shear zones formed by mutually displaceable surfaces. The shear zones are formed within the formulation by entraining it in the surfaces during passage between the surfaces.

Abstract: The mush and/or lather properties of soap-containing material including free fatty acids can be improved by subjecting the material to working. The material is passed through the shear zone(s) formed between two mutually displaceable surfaces between which the material passes.

Abstract: An improvement is disclosed in a process for producing foamed articles of thermo-plastic or thermo-setting compounds. The improvement reduces the number of steps normally followed to make a foamed product and cuts down on the time.

Abstract: An apparatus for processing frozen comestibles has a cup for receiving a frozen comestible and a rotatable auger mounted for movement relative to the cup. The cup is moved to the auger to create a pocket in the frozen material in a first relative movement and mixes the frozen material with an added flavoring and extrudes the mixture from the cup in a second operation. A counter is provided which counts only the number of second operations of the apparatus.

Abstract: An assembly of fibers composed of at least two dissimilar fiber-forming polymers, characterized by the fact that(1) it consists of numerous fibers,(2) at least 90% of said fibers have a non-circular cross-sectional shape,(3) the cross sections of at least 50% of said fibers differ from each other in at least one of shape and size, and(4) at least 50% of said fibers each have in their cross section taken at right angles to the fiber axis at least two side-by-side coalesced blocks of at least two dissimilar fiber-forming polymer phases with at least a part thereof being exposed to the peripheral surface of the fiber, at least one of the number, shape and size of the blocks varying from fiber to fiber.

Abstract: Apparatus for the discontinuous production of articles from a foamed plastic, including metering vessels for reaction components arranged above a mixing vessel. The metering vessels are with the interposition of communication bellows connected to the mixing vessel. Inside the cover of the mixing vessel exists an annular space communicating with an annular slot which opens towards the internal wall of the mixing vessel, so that when filling the mixing vessel first one of the reaction components is introduced into the annular space, flowing along the inner wall of the mixing vessel downwardly through the annular slot and in this way flushes off any residue.

Abstract: A machine assembly for producing lengthy rolls of bakery products such as biscuits and the like, wherein the machine includes an inlet work station having a device for forming a plurality of separate bars of dough and the machine also includes an outlet work station having a device for forming a continuous spiral in each of the bars of dough with the spirals interlocking to form a braided roll of dough. The machine assembly further includes a conveyor assembly for transporting the bars of dough between the inlet and outlet work stations while kneading and rolling the bars into their final configuration.

Abstract: An infinite blender that achieves a homogeneous mixture of fuel microspheres is provided. Blending is accomplished by directing respective groups of desired particles onto the apex of a stationary coaxial cone. The particles progress downward over the cone surface and deposit in a space at the base of the cone that is described by a flexible band provided with a wide portion traversing and in continuous contact with the circumference of the cone base and extending upwardly therefrom. The band, being attached to the cone at a narrow inner end thereof, causes the cone to rotate on its arbor when the band is subsequently pulled onto a take-up spool.

Abstract: A process for producing articles of ultra high molecular weight high density polyethylene is disclosed which avoids long heating and cooling cycles, and compacting pressures in the order of 3,000 to 4,000 lbs/sq. inch. The resin is intensively mixed and thermokinetically heated in an enclosed container with a plurality of blades attached to arms rotating about an axis with a blade tip speed of at least 18 m/sec. until the resin reaches a desired discharge temperature of at least 135.degree. C. After being discharged from the mixing step, the ultra high molecular weight resin is formed into the desired shape within a time such that degradation does not occur.

Abstract: The invention is directed to a method and device for the discontinuous production of block foam. The device has a mixing unit provided with component feed lines and a stirrer. The device is vertically movable on a bridgelike framework. The mixing unit has a bottomless cylindrical shell which serves as a mixing container. The bottomless cylindrical shell can be arranged on a head plate and can be placed on the bottom of a mold placed beneath it. On the bottom of the mold is a flexible elastic layer on top of which is arranged a plastic film.

Abstract: A multiple component applicator system for simultaneously metering a plurality of flowable materials and for delivering the metered quantities in predetermined proportions to a mixing device wherein the flowable materials are mixed and then dispensed. The system includes an improved metering and proportioning device as well as an improved modular control system for facilitating rapid interchangeability of the flowable materials being dispensed from the apparatus.

Abstract: A nozzle for dosing, feeding and if necessary mixing substances, comprising a rotatable vessel of cup-like form having a base, a central hub portion and an outer wall spaced radially outwardly from the hub portion. The outer wall defines a pouring opening in its upper portion and has a plurality of outlet openings disposed at its lower portion. The vessel is rotatable about a central vertically disposed axis through the hub portion. A plurality of equiangularly spaced partition walls extending between the hub portion and outer wall divides the nozzle into a plurality of chambers. An outlet opening is provided in each of the chambers; and a receiving mold at each outlet rotatable with nozzle receives the molding material by centrifugal force.

Abstract: Apparatus for the automatic preparation of samples for analysis comprises a tubular fusion furnace and a casting device. The furnace is horizontally disposed and permits introduction and removal of crucibles with samples through its two open ends. Transport equipment assures a periodical progression of the crucibles in the interior of the tubular furnace in successive and repeating states. The samples are agitated during momentary stops of the crucibles in their periodic progression.

Abstract: An apparatus for applying adhesive to fibrous material in which a generally horizontal cylindrical member is provided having an inlet in the top near one end and an outlet in the bottom near the other end. A shaft is rotatable on the axis of the cylindrical member and has radially extending tools thereon angularly spaced from one another and disposed in a substantially helical path along the shaft. The tools nearest the inlet have a passage means therein through which adhesive is supplied to fibrous material introduced into the inlet while the others of the tools admix the adhesive with the fibrous material.

Abstract: An aftermixer for an impingement mixer that accumulates initial material from the mixer and then divides the rest of the material into aliquots in a ring cavity before recombining the aliquots as it is charged to a mold.

Abstract: An apparatus for extruding latex in tubular form comprises a head block carrying two plugs which respectively have secured in them the upper ends of two tubes disposed coaxially one within the other. The inner surface of the outer tube and the outer surface of the inner tube are accurately formed with respect to the common axis, and an annular chamber opens to an annular space formed between the tubes in the head block. An inlet passage for latex opens to the chamber and is inclined to the radial direction so as to induce a circumferential flow of the latex into the chamber. A valve device may be provided to enable different latices to be fed selectively into the inlet passage, and a stirrer is disposed in the inlet passage where the latices enter for blending the latices on changeover from one to another during uninterrupted extrusion.

Abstract: A mixing valve is located at the opening of a mold cavity to control the flow of a fast setting mixture into the mold and to mix the ingredients forming the mixture immediately prior to dispensing into the mold. The valve includes a plurality of mixing elements on a mixing head which rotates about its own axis within the valve housing and which cooperates with the housing to define a mixing chamber receiving the ingredients. When the valve is open, the plurality of mixing elements supported from the head in the mixing chamber are rotated with the head to mix the ingredients into the fast setting mixture. The head also reciprocates along its axis to open and close the valve and completely fills the chamber to eject the mixed ingredients when the valve is closed.

Abstract: Apparatus for coating one surface of a molded article that consists of a pair of relatively movable die members which when closed form a cavity for molding the article in a desired configuration. One of the die members has a chamber formed therein into which a predetermined amount of liquid coating material is supplied through an injector device which is selectively movable into and out of engagement with an inlet port formed in the die member that communicates with the chamber. After the chamber is charged with the coating material, a plunger forces the material into the cavity to coat the outer surface of the article while the die members are closed.

Abstract: Two foamable chemicals are diverted from a recirculation path by simultaneously operable pivoting ball valves to respective separate paths through respective one way valves, pressure responsive normally closed poppet valves, and a common conduit to a common mixing chamber wherein they are mixed by identical counter rotating shafts having roll pins extending through diametric bores, before the thus mixed chemicals are discharged into a suitable mold. Solvent and air are supplied underthe control of selectively operable valves through pressure responsive poppet valves to the same common conduit as the chemicals for washing the chemicals from the conduit, from the outer face of the chemical poppet valves, and for further washing the mixing chamber.

Abstract: Continuously operable apparatus for the preparation and/or processing of synthetic plastics or rubber moulding compounds, comprising a housing in the form of a channel and a mixing and kneading member engaged in the channel and having a surface which co-operates with the bottom wall of the channel, in which said bottom wall and said surface of the mixing and kneading member are undulatingly profiled in a manner such that the profiles extend transversely or obliquely with respect to the longitudinal axis of said channel and said member, and drive means, including at least one crank drive, coupled between the housing and said member to cause said member and said housing, while retaining their respective orientations to move relatively to one another to cause the peaks of the undulations on one of said surface and said bottom wall to perform a circular movement in associated valleys in the other of said surface and said bottom wall.

Abstract: Method and apparatus for making composition board having a planar surface and legs by an extrusion process from its constituent materials wherein there is provided an improved agitation mechanism for insuring the uniform dispersion of constituent material in the legs of the mold. The improved mechanism includes a plurality of pairs of agitation fingers, each pair adapted to oscillate in opposite directions about the same axis. Separate rack and pinion arrangements control the oscillation of respective fingers of the pairs. A pair of hydraulic cylinders controls the movement of the racks, the pinions being coupled to the fingers. The hydraulic cylinders are arranged in a control circuit, the operation of which is timed by a flywheel on the extrusion apparatus. The improved mechanism includes means for adjusting the timing of the finger oscillation relative to movement of a piston driven by the flywheel for optimum operation. Density of the legs of the board is controlled by controlling the timing.

Abstract: An apparatus for applying glue to chips, fibers and the like of wood, bagasse and other cellulose containing substances, which comprises a substantially cylindrical mixing chamber in which a shaft rotates equipped with radially extending mixing and/or glue applying tools. These tools immerse with their head region partly into a ring of chip material rotating at a relatively high speed. The glue applying tools comprises a glue conveying passage which in the lower region of the glue applying tools communicates with a glue feeding conduit associated with the driving shaft and in its upper region has a glue exit opening. The upper section of the glue applying tool has a glue discharge passage extending in a direction opposite to the direction of rotation of the glue applying tool. The end region of the glue discharge passage has at least one glue discharge opening.

Abstract: A housing is formed with a quieting chamber which opens in one direction into a mold and with a mixing chamber opening in another direction at right angles to the first-mentioned direction into the quieting chamber. A pair of reactive components are introduced into the mixing chamber to form a mixture therein. Thereupon a mixing piston or plunger is shifted along this mixing chamber at right angles to the quieting chamber so as to force the mixture out of the mixing chamber and into the quiescence chamber. This piston at the end of its stroke lies with is end face flush and contiguous with a planar inner surface of the quieting chamber. Thereupon a displacement piston or plunger moves the full length of the quieting chamber so as to press the mixture from this chamber into the mold. The quieting chamber has the cross-sectional shape of a circular segment and the mixing chamber is of uniform circular cross-section.