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7384256 Screw feeder for roller compactor machine  
A screw feeder is provided for a powder roller compactor machine. The machine includes a hopper for holding powder and a pair of rollers for compacting the powder. A screw feeder transfers powder...
6743006 Die for extruding flowable materials and having a static mixer therein  
An extrusion/coating die. The die has an internal cavity and one or more static mixers in the die cavity. The static mixer fills the die cavity at its respective cross section. The die may also...
6126878 Apparatus and method for producing an extrudate  
An apparatus for producing an extrudate (e.g., water-dispersable extruded rod-shaped granules) from an extrudable powder-based material (e.g., a finely-divided water-insoluble powder) includes a...
5902531 Apparatus and method for spinning polymeric yarns  
An apparatus and method for melt spinning polymeric yarns, wherein a main melt flow is generated by an extruder and supplied to a spin head. The spin head is enclosed in a heated spinning beam and...
5798077 Screw for plasticating apparatus and method of use  
A plasticating screw and method of plasticating without thermal degradation problems. Said screw having a metering section with a helical flight disposed within and cooperating with the innerwall...
5660864 Apparatus for introducing injection material into a mold  
By embodying a feed screw (17) for glass fiber reinforced polyester material with a hollow shaft, it is possible for the injection piston (11) for an injection unit (9) to have a compact structure...
5637331 Spin system for thermoplastic yarns  
A spin system for thermoplastic yarns is provided with a melt line, in which the main flow of the melt is transported to a distributor pump. The distributor pump comprises several individual pumps,...
5456586 Apparatus for manufacturing articles made of polyurethane  
An apparatus for manufacturing articles made of polyurethane that includes a mold assembly in communication with a mix chamber. The mix chamber is positioned below the mold assembly. The mix...
5264261 Fibre reinforced polymer compositions and process and apparatus for production thereof  
Fibrous network structures are produced within liquid polymer resins by passing the fiber-containing resin along a channel having a plurality of sets of flow modifying elements which establish a...
5197803 Mixer with movable wiper  
A mixer is mechanically self cleaned without using solvents. A housing defines a mixing chamber with a fluid pressurized mixer head rotatably supported within the housing. The mixer head has...
5176925 Extrusion die with static mixer insert  
A die for use in an extrusion process is disclosed wherein the die is formed with a flow channel, a portion of which is defined by a removable insert. The insert includes a static mixer arrangement...
5126088 Method for producing an extrusion having a wood grain appearance and an associated apparatus  
A method for producing an extrusion having a wood grain appearance. A first extruder including a die and a second extruder which includes a housing and a screw is provided, the screw having a...
5088909 Apparatus for extruding a marbleized synthetic-resin strand  
A marbleized thermplastic-resin strand is made from a matrix resin and an inlay resin in an apparatus having a die forming a passage extending along an axis and havng an upstream inlet end and a...
4957675 Method and apparatus for preparing caseinates  
In a method for preparing caseinates, including the introduction of casein, alkaline solutions or basic salts and water into an extruder, the constituents being thoroughly mixed together and then...
4942842 Apparatus for coating sheets of dough with fat  
A conveyor roller (8) has circular-saw-shaped teeth (28) on its circumference. By means of the conveyor roller set in rotation, shavings are pared off cubes of fat (9) and uniformly fill up the...
4921414 Extrusion apparatus for producing marbeleized thermoplastic extrusions  
The extrusion apparatus used to make a marbled section of a thermoplastic material is connectable to a screw press with at least one screw shaft and an extruder housing. A thermoplastic base...
4867927 Process of producing thermplastic resin sheet and the like and molding screw therefor  
This invention relates to a process of producing sheets from thermoplastic resins and a screw used therefor. The resin extruder includes a cylinder and the screw. The resin is passed through a...
4867667 Apparatus for producing screw feeders for a plastic injection-molding machine  
A system for producing a screw feeder for use in a plastic injection-molding machine, according to which system a molten material is extruded through an injection opening of a rotating die, the...
4857250 One-extrusion method of making a shaped crosslinkable extruded polymeric product  
Method of and apparatus for making a shaped crosslinked extruded polymeric product by extruding compacted, melted polymer, e.g., polyethylene, into a mixer formed on or fitted to the discharge end...
4856908 Mixing head of injection molding machine  
A mixing head of an injection molding machine has an injection plunger for opening and closing a plurality of orifices and a spool plunger for opening and closing a plurality of circular...
4854847 Tortilla dough forming machine  
A tortilla dough forming machine has a hopper, hollow extension and hollow casing mounted in a serial arrangement on a support frame. The hopper receives a mass of tortilla dough through its open...
4822548 Method and apparatus for manufacturing a thread-reinforced rubber hose  
In the production of a thread-reinforced hose from polymeric material, the still formable material, a mold core, and the reinforcing thread or threads are fed continuously into a shear head and...
4802835 Apparatus for making soap  
An apparatus for making soap comprising, an extruder having a helical screw for passing the soap and forming an extrudate adjacent a downstream portion of the extruder, and a device for working or...
4790992 Injection molding apparatus for making fiber-reinforced articles  
An injection molding apparatus for making a molding of fiber-reinforced synthetic resin which comprises a mold assembly having a molding cavity defined therein, into which a liquid molding material...
4789511 Material processing  
A method of materials processing (e.g. polymer extrusion) in which the material flows along an axially extending passageway. A pressure differential is established across the passageway transverse...
4716000 Process and apparatus for the production of a cross-linked, extruded or sprayed product  
A process and apparatus for producing a cross-linked, extruded or sprayed product.
4711602 Turbulent flow gate for the injection molding of tubular parts, including parisons suitable for blow molding  
Injection molding apparatus is disclosed in which weld lines are removed from a part, such as a parison, which weld lines are caused by the interruption or splitting of the flow of plastic material...
4708489 Blending machine  
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...
4693611 Frozen dessert mixer  
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...
4689002 Apparatus for cold injection molding of glass fiber reinforced composite materials  
An apparatus for cold injection molding of glass fiber reinforced composite materials. The apparatus includes an injection unit for the composite material, a unit for the mixing of said material,...
4681721 Thermoplastic film extrusion process employing die with filtering arrangement  
An annular extrusion die for the production of a tubular thermoplastic film web material, such as an annular extrusion die including a filtering arrangement for the formulation of a more...
4680132 Processing detergent bars with a cavity transfer mixer to reduce grittiness  
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...
4680003 Apparatus for the production of moldings from flowable reactive components  
Apparatus for producing moldings from flowable reactive components comprising (a) a mold assembly having two halves surrounding a mold cavity, (b) a mixing device for combining said reactive...
4671761 Apparatus for producing reinforced elongate bodies  
A shear head in which an extruded vulcanizable composition meets preheated reinforcing strands has a compartment adjacent a mouth of the head which is evacuated to reduce the danger of gases...
4621747 Apparatus for charge-wise dosing a metered volume quantity of a flowing medium continuously supplied to the apparatus under delivery pressure  
An apparatus for charge-wise dosing a metered volume quantity of liquid medium to be supplied continuously under delivery pressure, comprising a pair of serially connected cylinder-and-piston...
4595546 Manufacture of elongated extruded cross-linked products  
A method for the manufacture of a cross-linked extruded elongated product from polyethylene or other suitable polymer. The polymer is fed into the hopper of a screw extrusion machine. The polymer...
4591467 Method for removing moisture and volatiles from molding particulate plastic material feed  
This invention relates to a method and apparatus for removing hot volatiles and moisture from particulate plastic material being fed for injection or extrusion molding by a plasticizing screw which...
4584154 Crosshead with longitudinal and transverse shear mixers  
A crosshead (10b) and a method are provided for extruding a tubular layer of a thermoplastic material, or for coextruding tubular layers of various thermoplastic materials, without incurring a weld...
4568506 Process for producing an assembly of many fibers  
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...
4541793 Extruder nozzle and a method for producing plastic products  
In order to homogenize and to obtain a uniform temperature distribution in a plastics substance, which is to be extruded between an inner and an outer component, in a nozzle, the substance is made...
4538978 Rotary piston forming machine for chocolate  
A forming machine for chocolate and the like which comprises, located directly downstream of the hopper, a metering device having a contoured mixing and metering cavity which accommodates a...
4469130 Adjustable orifice for reaction injection molding  
An adjustable slotted orifice assembly for controlling the feed rate and dispersion pattern of high pressure impinging liquid reaction injection molding materials. In a preferred embodiment...
4448114 Apparatus for processing frozen comestibles and in particular to an improvement therein  
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...
4445835 Method and apparatus for marbleizing an extruded dough  
Marbleized cookie dough pieces are formed by independently feeding different color doughs into a common extrusion die, in which a rotating impeller is located. The impeller lards portions of each...
4392805 Centrifugal casting apparatus  
A centrifugal casting apparatus comprises a mold mounted for rotation about the vertical axis thereof and having a bottom provided with a through axial opening. A member having a helicoidally...
4365946 Apparatus for continuously processing rubber, elastomers, plastics and like materials which can be vulcanized or cross-linked  
Apparatus located at the output end of a screw extruder comprising a mandrel to rotate with said screw and a jacket coaxial with the mandrel and rotatable in an opposite direction of rotation to...
4293294 Circular extrusion apparatus providing for rotation around the extrusion opening  
Apparatus for producing tubular sheet material by extruding a fluid polymer material through a hollow centered die having an annular extending continuous or discontinuous extrusion orifice exit...
3834849 FIBER-ALIGNING EXTRUSION NOZZLE  
A fiber-aligning extrusion nozzle for extrudable, fiber containing compositions comprises a housing having an inlet and an outlet. One or more partition members are mounted within the housing...
3809515 EXTRUSION DIE FOR BLOWING PLASTIC FILM  
This die for blowing plastic film obtains better mixing of the plastic from different supply lines before extrusion and thus avoids visible "weld lines" in the finished film. The improved mixing...
3778036 DEVICE FOR PLASTICIZING AND HOMOGENIZING VISCOUS MASSES  
A device for plasticizing and homogenizing viscous masses, especially plastics and rubber, in which processing of the material takes place between a rotating drum and a stationary semicylindrical...
Matches 1 - 50 out of 78 1 2 >