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Class Information
Number: 264/39
Name: Plastic and nonmetallic article shaping or treating: processes > With step of cleaning, polishing, or preconditioning apparatus for use
Description: Processes which include a step of cleaning or polishing or otherwise mechanically or physically treating the apparatus or a working surface thereof in order to restore, maintain or bring said apparatus to a desired or necessary operating condition.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4783290 |
Method of changing die head for converting a co-extrusion apparatus |
Nov. 8, 1988 |
| 4778659 |
Mixing method of reaction raw-material |
Oct. 18, 1988 |
| 4767505 |
Method of rotationally molding a synthetic resin doll |
Aug. 30, 1988 |
| 4731126 |
Composition and method for purging polymeric residues |
Mar. 15, 1988 |
| 4726753 |
Apparatus for producing moulded articles |
Feb. 23, 1988 |
| 4707309 |
Dotting of molding tools with droplets |
Nov. 17, 1987 |
| 4701292 |
Method for pressure molding objects of different resins |
Oct. 20, 1987 |
| 4670329 |
Method and composite article for cleaning molds |
Jun. 2, 1987 |
| 4670202 |
Method and apparatus for melt spinning |
Jun. 2, 1987 |
| 4668451 |
Process of making a full life size artificial rock formation from a natural rock formation surface |
May. 26, 1987 |
| 4652410 |
Method of exchanging a die holder |
Mar. 24, 1987 |
| 4642039 |
Apparatus for producing profiles or webs such as tread strips for vehicle tires |
Feb. 10, 1987 |
| 4642208 |
Method and apparatus for disposing dust produced during amorphous silicon film-forming process |
Feb. 10, 1987 |
| 4627894 |
Method of manufacturing a body moulded from a plastics material and covered with a metallic layer |
Dec. 9, 1986 |
| 4609509 |
Process and apparatus for vulcanizing the insulation of an electric cable |
Sep. 2, 1986 |
| 4609510 |
Tire manufacturing process |
Sep. 2, 1986 |
| 4609511 |
Release agent and process performable therewith for the production of polyurethane foam |
Sep. 2, 1986 |
| 4605683 |
Polymeric buns and method and apparatus for its manufacture |
Aug. 12, 1986 |
| 4595709 |
Process for the production of isocyanate polyaddition products |
Jun. 17, 1986 |
| 4592879 |
Method for the control of particle size in the production of atomized metal |
Jun. 3, 1986 |
| 4585601 |
Method for controlling the production of atomized powder |
Apr. 29, 1986 |
| 4579520 |
Injection molding valve gated system |
Apr. 1, 1986 |
| 4576767 |
Method for controlling powder production |
Mar. 18, 1986 |
| 4564486 |
Curing fibrous mineral material |
Jan. 14, 1986 |
| 4563395 |
Process and device for producing transparent plastic films, sheets or strips of at least two layers, by casting |
Jan. 7, 1986 |
| 4562020 |
Process for producing self-supporting glucan film |
Dec. 31, 1985 |
| 4559189 |
Method of manufacturing simulated animal or fish skin |
Dec. 17, 1985 |
| 4548768 |
Method for the production of atomized metal particles |
Oct. 22, 1985 |
| 4534921 |
Method and apparatus for mold cleaning by reverse sputtering |
Aug. 13, 1985 |
| 4529562 |
Method and apparatus for manufacturing a thermally insulated building block |
Jul. 16, 1985 |
| 4518549 |
Apparatus for and method of cooling the core rods of an injection blow moulding machine |
May. 21, 1985 |
| 4486367 |
Process for producing polyurethane-foam moldings, and apparatus for same |
Dec. 4, 1984 |
| 4482513 |
Method of molding foam/aluminum flake microwave lenses |
Nov. 13, 1984 |
| 4470936 |
Method and apparatus for coinjecting two thermoplastic materials |
Sep. 11, 1984 |
| 4460525 |
Method for preparing thin layers |
Jul. 17, 1984 |
| 4457880 |
Method of making contact lens blanks |
Jul. 3, 1984 |
| 4447373 |
Process for making filled articles from polymeric material |
May. 8, 1984 |
| 4444701 |
Mold release agent composition and improved molding method |
Apr. 24, 1984 |
| 4442070 |
Apparatus for the production of a flowable reaction mixture |
Apr. 10, 1984 |
| 4435922 |
Apparatus for grinding the back surfaces of record molding stampers |
Mar. 13, 1984 |
| 4425288 |
Process for cleaning metal surfaces |
Jan. 10, 1984 |
| 4422986 |
Method and apparatus for infection molding brushes |
Dec. 27, 1983 |
| 4422990 |
Method and apparatus for making soil plugs |
Dec. 27, 1983 |
| 4416605 |
Screen/diverter changing mechanism for extruders |
Nov. 22, 1983 |
| 4409159 |
Moulding reinforced concrete articles |
Oct. 11, 1983 |
| 4390337 |
Apparatus having an automatic foam dispensing system for forming shock-absorbing members in a container |
Jun. 28, 1983 |
| 4387065 |
System and method for continuously preventing filament bridging between adjacent draw nozzles |
Jun. 7, 1983 |
| 4379100 |
Polyurethane molding process with siloxane internal release agent |
Apr. 5, 1983 |
| 4377376 |
Indexing mechanism for the anvil assembly of a powder-compacting press |
Mar. 22, 1983 |
| 4374791 |
Process for preparing particleboard |
Feb. 22, 1983 |
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