Patent information:
| Patent: | Utility 1,471,907 |
| Patented: | October 23, 1923 |
| Applied: | March 4, 1922 |
| Title: | Machine for Heading Porcelain Tubes and the Like |
| Description: | Machine to make porcelain wall tubes |
| Category: | Wall Tube |
| Assigned to: | The R. Thomas & Sons Co. |
Patentee Information:
| MASON, Albert G. | Lisbon, OH |
| BUCKLEY, Lorenzo C. | Lisbon, 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: | 293 | |
| 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: | 393 | PREFORM RESHAPING OR RESIZING MEANS: OR VULCANIZING MEANS INCLUDING A CONFORMING PREFORM SUPPORT; Rod or tubular preform; Mandrel to interiorly support work and means urging work against mandrel; |
Known specimens:
| None known |
Drawings:
Page 1 |
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Page 3 |