Tubular felt for grinding use
US5102704A · kind A · utility
0Cited by
7References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 1990 |
| Grant date | Apr 7, 1992 |
| Priority date | — |
| Expiry date | Jul 27, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1362
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A tubular felt useful in the grinding of the panel face of a cathode ray tube is made up of a fabric woven with a non heat-shrinkable warp and a heat-shrinkable weft; a heat-shrinkable batt bonded to the surface of said fabric by needling; and a non heat-meltable, hygroscopic fiber mixed with at least one of the heat-shrinkable weft and heat-shrinkable batt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.