Patent information:
| Patent: | Utility 2,915,801 |
| Patented: | December 8, 1959 |
| Applied: | December 5, 1957 |
| Title: | Apparatus for Forming Plastic Clay Bodies |
| Description: | Mold and pressing operation to eliminate the need to plunge and trim a suspension disk |
| Category: | Mold |
| Assigned to: | McGraw-Edison Co. |
Patentee Information:
| HARRY, William R. | Hartland, WI |
Class and subclass information:
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 405.1 | MEANS TO CREATE A VACUUM OR APPLY FLUID PRESSURE WITHIN A PRESS FORMING MOLD; |
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | 325 | MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE; Shaping against forming surface (e.g., casting, die shaping, etc.); Applying heat or pressure; Reshaping solid work or introducing solid work into mold cavity; Utilizing closed mold cavity; |
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | 500 | DIRECT APPLICATION OF FLUID PRESSURE DIFFERENTIAL TO PERMANENTLY SHAPE, DISTORT, OR SUSTAIN WORK; |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 436R | SHAPING SURFACE INCLUDING MEANS TO RELEASE OR REMOVE PRODUCT FROM SHAPING SURFACE; |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 84 | WITH FORAMINOUS OR ABSORBENT MEANS FOR REMOVAL OF VEHICLE OR COMPONENT IN LIQUID FORM DURING OR AFTER SHAPING; |
Known specimens:
| None known |
Drawings:
Page 1 |
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