Patent information:
| Patent: | Utility 1,342,053 |
| Patented: | June 1, 1920 |
| Applied: | February 6, 1919 |
| Title: | Bushing Forming Machine |
| Description: | Machine to manufacture wall tubes and bushings |
| Category: | Wall Tube |
| Assigned to: | Brunt Tile & Porcelain Co. |
Patentee Information:
| MCKNIGHT, Oscar W. | Columbus, OH |
Class and subclass information:
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 236 | SETS OF PRESS COUPLES COMPRISING REGISTERING FEMALE MOLD CAVITIES; Including positive means to eject product; |
| Class: | 221 | ARTICLE DISPENSING |
| Subclass: | 224 | |
| Class: | 221 | ARTICLE DISPENSING |
| Subclass: | 68 | |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 341 | PLURAL RESHAPING MEANS OR PLURAL VULCANIZING MEANS INCLUDING CONFORMING PREFORM SUPPORT; Including plural feeding means for preforms; |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 392 | PREFORM RESHAPING OR RESIZING MEANS: OR VULCANIZING MEANS INCLUDING A CONFORMING PREFORM SUPPORT; Rod or tubular preform; |
Known specimens:
| None known |
Drawings:
Page 1 |
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