Coated abrasive sheet material with loop attachment means
US4609581A · kind A · utility
138Cited by
3References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 15, 1985 |
| Grant date | Sep 2, 1986 |
| Priority date | — |
| Expiry date | Apr 15, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24017
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A coated abrasive sheet or disc material having a multiplicity of loops projecting from its side opposite the abrasive, which coated abrasive material is adapted to be held on the support surface of a pad from which project a multiplicity of hooks by releasable engagement between the loops and the hooks while the material is driven by the pad to abrade a workpiece. The backing of the coated abrasive material comprises a carrier web with a multiplicity of multifilament yarns stitched into it with portions of the yarns providing the loops.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.