Abrasive article containing helically crimped fibers
US4893439A · kind A · utility
29Cited by
17References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 1988 |
| Grant date | Jan 16, 1990 |
| Priority date | — |
| Expiry date | Aug 5, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2925
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Abrasive article comprising an open, lofty nonwoven web comprising helically crimped synthetic organic fibers. The article can optionally contain stuffer box crimped fibers and melt bondable fibers. The presence of helically crimped fibers brings about greater durability and greater capacity for absorbing debris.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.