Patent information:
| Patent: | Utility 2,297,646 |
| Patented: | September 29, 1942 |
| Applied: | March 9, 1940 |
| Title: | Pug Mill |
| Description: | Pug mill design to prevent stresses and strains in the clay as it is extruded |
| Category: | Pug Mill |
| Assigned to: | Locke Insulator Corp. |
Patentee Information:
Class and subclass information:
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 381 | STOCK PRESSURIZING MEANS OPERABLY ASSOCIATED WITH DOWNSTREAM SHAPING ORIFICE; Including auxiliary shaping means (e.g., mandrel, etc.) associated with molding orifice; Movable orifice or movable mounted inner mandrel within orifice; |
Known specimens:
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Drawings:
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