Sheet material and punching tape containing same
US10723033B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2016 |
| Grant date | Jul 28, 2020 |
| Priority date | — |
| Expiry date | Dec 14, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2605/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A sheet material (1) consisting of an mixture consisting essentially of: a) 10-50 percent by weight of random-oriented fibres, and; b) 90-50 percent by weight of a thermoplastic or thermoplastic elastomer; the weight percentages being based on the overall homogeneous mixture; and the sheet material having at room temperature a Shore D hardness of 40 to 85, preferably of 40 to 60, more preferably of 45 to 55. The sheet material (1) is used as a support in punching applications or as the top layer in punching belts (2).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.