Patent information:
| Patent: | Utility 2,898,658 |
| Patented: | August 11, 1959 |
| Applied: | May 23, 1955 |
| Title: | Manufacture and Apparatus for the Manufacture of Ceramic Ware |
| Description: | Method of removing water through conduits in the mold when plastic clay is pressed in a mold. |
| Category: | Mold |
| Assigned to: | McGraw-Edison Co. |
Patentee Information:
| HARRY, William R. | Hartland, WI |
Class and subclass information:
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | 86 | REMOVAL OF LIQUID COMPONENT OR CARRIER THROUGH POROUS MOLD SURFACE; |
| Class: | 15 | BRUSHING, SCRUBBING, AND GENERAL CLEANING |
| Subclass: | 300.1 | |
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | 335 | 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; By direct fluid pressure or pressure differential; |
| Class: | 34 | DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS |
| Subclass: | 103 | |
| Class: | 34 | DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS |
| Subclass: | 441 | |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 412 | PRESS FORMING APPARATUS HAVING OPPOSED PRESS MEMBERS; Male shaping member and female mold; |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 437 | SHAPING SURFACE INCLUDING MEANS TO RELEASE OR REMOVE PRODUCT FROM SHAPING SURFACE; By differential gas pressure ejecting means; |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 86 | INCLUDING HANDLING MEANS OR FEATURE FOR TREATING LIQUID OR VEHICLE LIQUID, OR CONDENSATE; |
Known specimens:
| None known |
Drawings:
Page 1 |