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Class Information
Number: 425/376.1
Name: Plastic article or earthenware shaping or treating: apparatus > Stock pressurizing means operably associated with downstream shaping orifice
Description: Apparatus including means defining a shaping orifice (e.g., a nozzle) combined with fluent stock material handling means comprising means ahead of the orifice to increase pressure on the material to force flow through the orifice.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4105728 |
Spinning method and apparatus |
Aug. 8, 1978 |
| 4101253 |
Extrusion |
Jul. 18, 1978 |
| 4092388 |
Apparatus and process for manufacture of variegated soap bars |
May. 30, 1978 |
| 4083666 |
Cookie press |
Apr. 11, 1978 |
| 4082487 |
Apparatus for changing screen devices |
Apr. 4, 1978 |
| 4077754 |
Apparatus for making variegated soap bars or cakes |
Mar. 7, 1978 |
| 4070138 |
Screen changer apparatus |
Jan. 24, 1978 |
| 4057379 |
Kneading and extruding apparatus for extrudable material |
Nov. 8, 1977 |
| 4057376 |
Device for degassing plastic materials |
Nov. 8, 1977 |
| 4053269 |
Apparatus for forming a composite tape |
Oct. 11, 1977 |
| 4050867 |
Extrusion head for extruding plastomeric or elastomeric material on filaments |
Sep. 27, 1977 |
| 4028040 |
Material mixing and compacting apparatus |
Jun. 7, 1977 |
| 4022560 |
Drying device |
May. 10, 1977 |
| 4017240 |
Die for extruding sheet material |
Apr. 12, 1977 |
| 4015925 |
Extrusion equipment and especially die structure for making plastic siding |
Apr. 5, 1977 |
| 4011038 |
Plate provided with apertures separated from each other by separating ribs for an installation for the manufacture of sticks from dough material |
Mar. 8, 1977 |
| 4008035 |
Extrusion die |
Feb. 15, 1977 |
| 3990829 |
Oriented crystallization of polymers |
Nov. 9, 1976 |
| 3989431 |
Pile extruder |
Nov. 2, 1976 |
| 3988097 |
Extruder slot die head |
Oct. 26, 1976 |
| 3986477 |
Wire coating apparatus |
Oct. 19, 1976 |
| 3985484 |
Method of molding synthetic resins materials through high-pressure fluid cross-linking process and relevant apparatus |
Oct. 12, 1976 |
| 3973890 |
Adjustable die face pelletizer |
Aug. 10, 1976 |
| 3972665 |
Molding apparatus with additive metering and mixing means |
Aug. 3, 1976 |
| 3969053 |
Device for distributing dyestuffs or other additional materials in extruders or the like |
Jul. 13, 1976 |
| 3965931 |
Balanced flow cross-head |
Jun. 29, 1976 |
| 3966381 |
Extrusion of thermoplastic foam |
Jun. 29, 1976 |
| 3962967 |
Horizontal trash compactor |
Jun. 15, 1976 |
| 3954365 |
Apparatus for the preparation of foamed thermoplastic extruded profiles |
May. 4, 1976 |
| 3947200 |
Apparatus for producing striated soap bars |
Mar. 30, 1976 |
| 3947201 |
Extruder and roll die apparatus |
Mar. 30, 1976 |
| 3947172 |
Apparatus for extruding plastic materials |
Mar. 30, 1976 |
| 3941544 |
Apparatus for the preparation of foamed thermoplastic extruded profiles |
Mar. 2, 1976 |
| 3938924 |
Thermoplastic melt apparatus |
Feb. 17, 1976 |
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