Patent · US Active

Sheet material and punching tape containing same

US10723033B2 · kind B2 · utility

0Cited by
3References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 14, 2016
Grant dateJul 28, 2020
Priority date
Expiry dateDec 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.