Coated abrasive sheet material with loop material for attachment incorporated therein
US5254194A · kind A · utility
109Cited by
37References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 1991 |
| Grant date | Oct 19, 1993 |
| Priority date | — |
| Expiry date | Aug 21, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24372
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A sheet of coated abrasive material including a backing having abrasive on one surface and loops projecting from its other surface by which the sheet of coated abrasive material can be held by hooks on the support surface of a pad. The backing comprises a polymeric bonding layer defining its rear surface. The sheet of coated abrasive material comprises a nonwoven sheet of longitudinally oriented fibers having anchor portions bonded in the polymeric bonding layer at spaced bonding locations, and arcuate portions projecting from the rear surface of the backing between the bonding locations to provide the loops.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.