Patent information:
| Patent: | Utility 1,488,474 |
| Patented: | April 1, 1924 |
| Applied: | September 24, 1920 |
| Title: | Machine for Molding Insulators |
| Description: | Press and molding machine for porcelain insulators |
| Category: | Press |
| Assigned to: | Westinghouse Electric & Mfg. Co. |
Patentee Information:
| BURNS, James A. | Pittsburg, PA |
Class and subclass information:
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 361 | PLURAL FEMALE MOLD CAVITIES COOPERATING WITH SINGLE PRESS MEMBER; Male-type press member; Transversely traveling female mold cavities; Orbiting about vertical axis; |
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 316 | PRESS MOLDING MACHINE; With means to rotate plunger during withdrawal; |
Known specimens:
| None known |
Drawings:
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