Patent information:
| Patent: | Utility 2,415,462 |
| Patented: | February 11, 1947 |
| Applied: | August 10, 1943 |
| Title: | Ceramic Molding Press |
| Description: | Vacuum molding of clay articles such as insulators. This may be the patent used by Locke to make their ""vacuum dry pressing"" porcelain insulators. |
| Category: | Press |
| Assigned to: | Western Electric Co. |
Patentee Information:
| CHERRY, George L. | Western Springs, IL |
| VEALE, Charles C. | Wheaton, IL |
Class and subclass information:
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 355 | FEMALE MOLD AND OPPOSED COAXIAL DYNAMIC PRESS MEMBERS; Opposed press members each moving one at a time toward the other; |
| Class: | 164 | METAL FOUNDING |
| Subclass: | 314 | MEANS TO SHAPE METALLIC MATERIAL; Pressure shaping means; Injection type; Piston-cylinder charger; Hydraulic piston pressure means; |
| Class: | 164 | METAL FOUNDING |
| Subclass: | DIG.9 | |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 152 | WITH SAFETY FEATURE; Plural starting buttons or mold operating means dependent upon position of a machine element; |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 153 | WITH SAFETY FEATURE; Secondary means to prevent accidental motion, (e.g., mold closing, etc.) or means to relieve gaseous pressure; |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 420 | PRESS FORMING APPARATUS HAVING OPPOSED PRESS MEMBERS; Male shaping member and female mold; Including provision to remove entrained gas; |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | DIG.35 | |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | DIG.45 |
Known specimens:
| None known |
Drawings:
Page 1 |
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