Entry sheet for drilling
US10159153B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2013 |
| Grant date | Dec 18, 2018 |
| Priority date | — |
| Expiry date | Mar 22, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/269
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present invention provides an entry sheet for drilling excellent in hole position accuracy compared with the conventional entry sheet for drilling. Such an entry sheet for drilling is an entry sheet for drilling comprising metallic support foil and a layer comprising a resin composition formed on at least one surface of the metallic support foil, in which the resin composition contains a resin and 70 parts by mass to 130 parts by mass of molybdenum disulfide based on 100 parts by mass of the resin, and the layer comprising the resin composition has a thickness in a range from 0.02 to 0.3 mm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.