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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 |
| 5558830 |
Wand purging for electrostatic charging system in flash spinning process |
Sep. 24, 1996 |
| 5540881 |
Apparatus and process for automatically blowing a bubble |
Jul. 30, 1996 |
| 5538538 |
Method for the manufacture of plastic parts |
Jul. 23, 1996 |
| 5538538 |
Method for the manufacture of plastic parts |
Jul. 23, 1996 |
| 5529636 |
Method of cleaning a curing mold by oxidation reaction under plasma conditions |
Jun. 25, 1996 |
| 5529475 |
Extruder for rubbery materials |
Jun. 25, 1996 |
| 5527497 |
Process and apparatus for manufacturing substrate sheet for optical recording mediums, and process for preparing stamper |
Jun. 18, 1996 |
| 5516470 |
Method of tempering a molding tool |
May. 14, 1996 |
| 5505606 |
Nozzle hole sealing device for injection nozzle |
Apr. 9, 1996 |
| 5498380 |
Plastic resin kneading/extruding method and apparatus by alternate extrusions of cylinders |
Mar. 12, 1996 |
| 5496508 |
Method of compressing and cooling plastic purge as it emanates from a plastic injection molding machine |
Mar. 5, 1996 |
| 5478227 |
Vertical injection molding machine having a discharge material receiving device |
Dec. 26, 1995 |
| 5478510 |
Process for producing homogeneous structure abrasives |
Dec. 26, 1995 |
| 5472332 |
Extruder head for an extruder |
Dec. 5, 1995 |
| 5466402 |
Gap adjustment of a plastic flow channel in a plastic part forming device |
Nov. 14, 1995 |
| 5466403 |
Apparatus and method for extruding and cooling a polymeric sheet |
Nov. 14, 1995 |
| 5460760 |
Method of extruding ethylene-vinyl alcohol copolymer (EVOH) |
Oct. 24, 1995 |
| 5460761 |
Method for tempering a moulding tool |
Oct. 24, 1995 |
| 5456869 |
Deckle piston compression and adjustment mechanism |
Oct. 10, 1995 |
| 5454991 |
Vent system for liquid molding |
Oct. 3, 1995 |
| 5443768 |
Abrasive and purge compositions |
Aug. 22, 1995 |
| 5441679 |
Method of assembling a value head |
Aug. 15, 1995 |
| 5435708 |
Nozzle head for a meltblowing aparatus |
Jul. 25, 1995 |
| 5431867 |
Start-up method for controlling outside diameter of insulated electric wires |
Jul. 11, 1995 |
| 5427517 |
Apparatus for pelletizing dehydrated paste material, especially sludge |
Jun. 27, 1995 |
| 5425905 |
Method of operating an injection-molding machine with mold-protecting device |
Jun. 20, 1995 |
| 5424012 |
Method for purging thermoplastic extruders |
Jun. 13, 1995 |
| 5401158 |
Apparatus for automatically exchanging a stamper unit with another one |
Mar. 28, 1995 |
| 5397227 |
Apparatus for changing both number and size of filaments |
Mar. 14, 1995 |
| 5394599 |
Method for automatically exchanging a stamper unit with another one |
Mar. 7, 1995 |
| 5393476 |
Method for producing cellulose ester film |
Feb. 28, 1995 |
| 5391332 |
Method of removing stuck sprue |
Feb. 21, 1995 |
| 5391071 |
Apparatus and method for inspecting and cleaning lips of castings die |
Feb. 21, 1995 |
| 5372762 |
Tip and die centering method |
Dec. 13, 1994 |
| 5368793 |
Automatic molding system |
Nov. 29, 1994 |
| 5331087 |
Method for reprocessing thermoplast-coated packing materials and thermoplast material for further processing |
Jul. 19, 1994 |
| 5328647 |
Process to seal structural joints |
Jul. 12, 1994 |
| 5314652 |
Method for making free-standing diamond film |
May. 24, 1994 |
| 5281374 |
Automatic purging method for injection molding machine |
Jan. 25, 1994 |
| 5268132 |
Process and device for drawing off and blocking off a melt |
Dec. 7, 1993 |
| 5254298 |
Plastic molding process with preconditioning and heat-treating of mold and plastic before rheological transformation |
Oct. 19, 1993 |
| 5253993 |
Apparatus for the production of pellets of metal powder used as catalysts |
Oct. 19, 1993 |
| 5248457 |
Method for producing intricately shaped particulate bearing precursor components with controlled porosity and density |
Sep. 28, 1993 |
| 5236640 |
Process and calender for the production of packing sheets |
Aug. 17, 1993 |
| 5223280 |
Apparatus for taking residual solid matter out of extrusion head |
Jun. 29, 1993 |
| 5221501 |
Method of producing a smooth plate of diamond |
Jun. 22, 1993 |
| 5217661 |
Method of removing resinous materials adhering to injection head |
Jun. 8, 1993 |
| 5217658 |
Method for repairing a hot-blast long-time cupola furnace |
Jun. 8, 1993 |
| 5200173 |
Molded cosmetic products containing uniform ultra glossy wet look surface finish |
Apr. 6, 1993 |
| 5200125 |
Method for seal molding electronic components with resin |
Apr. 6, 1993 |
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