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| Number | Title | Issue Date |
| 6817851 | Method and apparatus for the manufacture of fiber-reinforced plastic compositions An apparatus for the manufacture of fiber-reinforced plastic compositions. The apparatus addresses the disadvantages of previous methods and apparatuses for the manufacture of fiber-reinforced plastic compositions using a plasticizing extruder. Some embodiments of t... | 11/16/2004 |
| 6776596 | Apparatus for the manufacture of fiber-reinforced plastic compositions The invention is addressed to the problem of providing a method whereby a mixing of bulk material containing fibers (fiber material) and plastic granules for the plasticate extrusion of long fiber reinforced thermoplastics (LFT) will be possible during the melting p... | 08/17/2004 |
| 6139178 | Movably mounted feed-roll head for extruders A movably mounted and adjustably positionable feed-roll head for a food extruder or the like (110, 210) having a unitized head assembly which includes at least one feed-roll (114, 116, 214, 216) and its related operational structure and rigid but movably ... | 10/31/2000 |
| 6106266 | Gear extruder for a caoutchouc mixture The invention relates to an extruder apparatus for the extrusion of caoutchouc mixtures and plastics, having a gear extruder consisting of a housing in which a pair of gears that mesh with one another, and two intake rollers, are housed, and there is also... | 08/22/2000 |
| 5855927 | Extruder An extruder for the plastification and extrusion of a rubber mixture in the form of two cold material strips through two inlet passages (4, 5) has in a housing (1) two gears (2, 3) meshing with one another in the manner of a gear pump. The inlet passages ... | 01/05/1999 |
| 5851065 | Apparatus for recycling resin scrap A process and an apparatus for recycling resin scrap including a thermosetting resin paint film and a thermoplastic resin substrate as its major components, wherein the resin scrap is supplied into a passage of a cylinder, melted, and delivered by screw a... | 12/22/1998 |
| 5775804 | Dough portioning machine A dough portioning machine comprises a metering chamber with a metering piston which is displaceable therein. The metering piston is provided with a degassing channel which is formed in the piston wall and to which a cleaning pin in the cylindrical wall o... | 07/07/1998 |
| 5267847 | Compact precision extrusion system A compact and precision extrusion system for extruding strips of rubber compounds with profiles of accurate dimensions. Strips of rubber compound are uniformly heated and mixed in an extruder and then passed through a low pressure drop strainer to remove ... | 12/07/1993 |
| 5267787 | Screw extruder with feed roller A screw extruder has a feed roller which is parallel to and spaced laterally from the screw, a hopper feeds the material to be extruded to the screw and feed roller and to the space between them. A knife scrapes material from the feed roller to keep it cl... | 12/07/1993 |
| 4889429 | Method and apparatus for continuous production of impregnated compound An apparatus and method for continuously making a mixture of viscous material with solid material segments, which utilizes a pair of spaced mixing rolls (26, 28) for dragging the viscous material (42, 44) and the solid material segments (66, 68) into a ga... | 12/26/1989 |
| 4850842 | Screw extruder An extruder having an extruder head that forms a tubular passageway, an extruder screw rotatably disposed in the tubular passageway, and a first motor connected to the extruder screw for rotating that screw to force an extrudable material through the tubu... | 07/25/1989 |
| 4848915 | Process for metering color concentrates to thermoplastic polymer melts Continuous strands of color concentrate are metered into the feed zone of a screw-melter polymer extruder where they are cut into pellets by the shearing action of the flights of a rotating screw against the extruder housing. These pellets are mixed withi... | 07/18/1989 |
| 4718770 | Extruder for elastomeric material A screw extruder of the elastomeric material type includes a feed section with a power driven feed roll in a feed box running adjacent and counter the rotation of the screw. The roll is journaled for rotation on a frame which may easily be moved to and fr... | 01/12/1988 |
| 4383764 | Apparatus for continuous extrusion without reverse flow of material An apparatus for continuous extrusion of a material including a hollow barrel with inner liner having a cylindrical chamber portion and an outwardly divergent, coaxial frusto-conical outlet chamber portion adjacent thereto so that reverse pressure develop... | 05/17/1983 |
| 4286882 | Apparatus for the automatic, uniform drawing-in of elastomeric material into worm extruders A method of, and apparatus for, automatically and uniformly drawing-in elastomeric material into worm extruders comprising at least one draw-in roll for the material mixture, arranged in spaced relationship in front of the extruder worm or screw and drive... | 09/01/1981 |
| 4211492 | Dough portioning machine Dough to be portioned is filled into a hopper, which leads to a chamber from which the dough is forced by means of a plunger into pocket openings arranged on the circumference of a rotating drum. Two rotary members are arranged in the hopper, each of whic... | 07/08/1980 |
