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Class Information
Number: 425/DIG.102
Name: Plastic article or earthenware shaping or treating: apparatus > Air ejection
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6875378 |
Optical disk molding apparatus and method |
Apr. 5, 2005 |
| 5840352 |
Fresnel lens manufacturing apparatus |
Nov. 24, 1998 |
| 5368468 |
Air knockout for plastic molds |
Nov. 29, 1994 |
| 5352398 |
Apparatus and method for attaching a cap to a mold core |
Oct. 4, 1994 |
| 5141430 |
Injection molding apparatus operating without opening the mold to airborne contaminants |
Aug. 25, 1992 |
| 4874304 |
Porous mold for pressure slip casting |
Oct. 17, 1989 |
| 4521367 |
Mold, process of molding, and article molded by such process |
Jun. 4, 1985 |
| 4422998 |
Controlled ejection method for injection molding |
Dec. 27, 1983 |
| 4413966 |
Fluid-release mold and the method of manufacturing the same |
Nov. 8, 1983 |
| 4371329 |
Apparatus for making confectionery |
Feb. 1, 1983 |
| 3993727 |
Fluid-release mold and the method of manufacturing the same |
Nov. 23, 1976 |
| 3952991 |
Apparatus for ejecting a workpiece from a mold cavity |
Apr. 27, 1976 |
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