Post-press embossing of a consolidated man-made board
US4007076A · kind A · utility
37Cited by
10References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 1974 |
| Grant date | Feb 8, 1977 |
| Priority date | — |
| Expiry date | Dec 30, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24603
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A consolidated man-made board, such as hardboard, is wetted on one surface and thereafter embossed with a contoured embossing plate at a pressure of at least about 1000 p.s.i., at a temperature in the range of about 400.degree.-550.degree. F. and for a period of time sufficient to permanently re-shape the surface of the consolidated board.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.