Laminated board and hammer combination for a drop hammer forge
US4204421A · kind A · utility
6Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 1977 |
| Grant date | May 27, 1980 |
| Priority date | — |
| Expiry date | Oct 27, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31982
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A laminated veneer hammerboard for a drop forge press comprised of a series of plies of hard, high density wood preferably of the order of a peeled hard maple veneer with the grain of at least most of said veneer plies running along its length, each of said plies of the hammerboard having a thickness in the range of 1/32" to 3/16", and glue deposited between the plies securing the plies together and providing a relatively large number of hard glue surfaces enhancing the wearability of the board, said plies having opposite vertical edges positioned for edgewise engagement with lift rollers on a drop forge press.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.