Abrasive article
US4331453A · kind A · utility
48Cited by
9References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 1979 |
| Grant date | May 25, 1982 |
| Priority date | — |
| Expiry date | Nov 1, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/3813
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Delamination-resistant abrasive belts and discs suitable for offhand and automated article finishing comprise a lofty, non-woven, three-dimensional abrasive web adhesively bonded to a stretch-resistant woven fabric with a polyurethane binder comprising the reaction product of poly-1,4 oxybutylene) glycol diisocyanate having a molecular weight of about 500-4000 and a reactive compound capable of reacting with the isocyanate radicals. The reactive compound is selected from a group consisting of water, diol, triol, diamine or mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.