Patent information:
| Patent: | Utility 2,068,941 |
| Patented: | January 26, 1937 |
| Applied: | August 29, 1934 |
| Title: | Process and Apparatus for Manufacturing Insulators |
| Description: | Plunger to first form the pinhole in a porcelain insulator by first plunging a pinhole without threads then form the threads |
| Category: | Press |
| Assigned to: | The Ohio Brass Co. |
Patentee Information:
| BOVARD, Floyd G. | Akron, OH |
Class and subclass information:
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | 318 | MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE; Shaping against forming surface (e.g., casting, die shaping, etc.); Molding trapped undercut article portion; |
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | 319 | MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE; Shaping against forming surface (e.g., casting, die shaping, etc.); Applying heat or pressure; |
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | 334 | MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE; Shaping against forming surface (e.g., casting, die shaping, etc.); Article or material ejecting, core or mold stripping or separating; |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 324.1 | DIVERSE DISTINCT TYPE SHAPING MEANS; |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 457 | DYNAMIC MALE SHAPING MEANS INCLUDING MECHANICAL MOVEMENT OR POWER MEANS; |
Known specimens:
| None known |
Drawings:
Page 1 |