Holder for polished work and manufacturing method thereof
US6579160B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 9, 2001 |
| Grant date | Jun 17, 2003 |
| Priority date | — |
| Expiry date | Jul 9, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24B41/067
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The inner circumferential surface of through holes in a metal plate is chamfered or put to anchor fabrication and a thermoplastic resin is injection molding to the inner circumferential surface of the through hole thereby forming a resin portion over the entire surface of the through hole and the resin portion is removed by grinding while leaving the peripheral portion of the resin portion thereby forming a polished work holding hole. Thus, when a resin portion is formed to the inner circumference of the holding hole in a polished work holder comprising a metal plate, the production is high and the cost is reduced, and the resin portion is not detached from the bonding portion with no use of the adhesive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.