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Class Information
Number: 366/88
Name: Agitating > Rubber or heavy plastic working > Stirrer is through-pass screw conveyor > Including sections of different pitch
Description: Subject matter wherein the spacing of thread or helical ribbon on a portion of said conveyor differs from the spacing of said thread or said helical ribbon on another portion.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5419634 |
Apparatus for filtering and extruding synthetic plastic scrap material |
May. 30, 1995 |
| 5415354 |
Solid state shear extrusion pulverization |
May. 16, 1995 |
| 5413475 |
Serial two-stage extruder |
May. 9, 1995 |
| 5397065 |
Solid state shear extrusion pulverization |
Mar. 14, 1995 |
| 5395055 |
Solid state shear extrusion pulverization |
Mar. 7, 1995 |
| 5382089 |
Convenient access for clean-out and maintenance of mixing chamber and both rotors in two-rotor continuous mixers for plastic materials |
Jan. 17, 1995 |
| 5356281 |
Screw-type resin injection apparatus for injection molding |
Oct. 18, 1994 |
| 5332309 |
Reactive component mixing with metered dry filler |
Jul. 26, 1994 |
| 5318358 |
Screw kneader for plastic material having a controlling mixing section |
Jun. 7, 1994 |
| 5304051 |
Plasticising unit for a screw injection moulding machine having improved volume adjustment means |
Apr. 19, 1994 |
| 5265955 |
Machine for the extrusion of thermoplastic polymers and the like comprising an internal mixer |
Nov. 30, 1993 |
| 5244373 |
Extruder for poorly miscible extrudates |
Sep. 14, 1993 |
| 5217303 |
Millstone extrusion apparatus |
Jun. 8, 1993 |
| 5215764 |
Extruder mixing screw |
Jun. 1, 1993 |
| 5158725 |
Continuous mixing of elastomeric compounds |
Oct. 27, 1992 |
| 5156790 |
Method for extruding ethylene polymers |
Oct. 20, 1992 |
| 5153009 |
Extrusion device |
Oct. 6, 1992 |
| 5151026 |
Apparatus for removing liquids from solids |
Sep. 29, 1992 |
| 5147198 |
High performance extruder with a constant number of threads in the inlet and outlet regions of a transfer shearing section |
Sep. 15, 1992 |
| 5145251 |
Extruder having degree-of-kneading adjusting device |
Sep. 8, 1992 |
| 5145352 |
Pin transfer extruder |
Sep. 8, 1992 |
| 5141326 |
Barrier screw |
Aug. 25, 1992 |
| 5141426 |
Degassing extruder |
Aug. 25, 1992 |
| 5130070 |
Method of reverse degassing an extrusion melt and an extrusion device therefor |
Jul. 14, 1992 |
| 5088914 |
Double flighted extrusion screw |
Feb. 18, 1992 |
| 5044489 |
Feed screw |
Sep. 3, 1991 |
| 5044759 |
Mixing process and screw extruders for carrying out the same |
Sep. 3, 1991 |
| 4981364 |
Extrusion apparatus |
Jan. 1, 1991 |
| 4957675 |
Method and apparatus for preparing caseinates |
Sep. 18, 1990 |
| 4944906 |
Methods of injection molding and extruding wet hygroscopic ionomers |
Jul. 31, 1990 |
| 4901635 |
Apparatus and method for the continuous extrusion and partial deliquefaction of oleaginous materials |
Feb. 20, 1990 |
| 4896969 |
Method and apparatus for melting and conveying plasticated material |
Jan. 30, 1990 |
| 4875847 |
Twin-screw extruder having respective conical nose screw sections |
Oct. 24, 1989 |
| 4867927 |
Process of producing thermplastic resin sheet and the like and molding screw therefor |
Sep. 19, 1989 |
| 4859069 |
Extrusion apparatus |
Aug. 22, 1989 |
| 4854847 |
Tortilla dough forming machine |
Aug. 8, 1989 |
| 4840492 |
Rotational screw for mixing |
Jun. 20, 1989 |
| 4834913 |
Apparatus and method for forming finely divided dry materials from wet materials having a tendency to form lumps |
May. 30, 1989 |
| 4779989 |
Transfer mixer assembly for use with an extruder screw of a polymer extruder or the like |
Oct. 25, 1988 |
| 4776784 |
Extruder |
Oct. 11, 1988 |
| 4770539 |
Barrier screw |
Sep. 13, 1988 |
| 4744669 |
Mixing and extruding apparatus and methods |
May. 17, 1988 |
| 4729666 |
Screw for molding thermoplastic resin having a stress relaxation section |
Mar. 8, 1988 |
| 4663103 |
Apparatus and method of extrusion |
May. 5, 1987 |
| 4642041 |
Extruder screw for minimizing the opposing pressure flow |
Feb. 10, 1987 |
| 4632795 |
Method and apparatus for extrusion processing of cellulose bearing materials |
Dec. 30, 1986 |
| 4600311 |
Material-processing screw machine |
Jul. 15, 1986 |
| 4569595 |
Screw extruder for plastics |
Feb. 11, 1986 |
| 4534652 |
Multishafted, continuous mixing and kneading of plastifiable materials |
Aug. 13, 1985 |
| 4519712 |
Positive displacement pump assembly |
May. 28, 1985 |
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