Pile cleaning material and needling method of making same
US4645699A · kind A · utility
38Cited by
1References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 24, 1985 |
| Grant date | Feb 24, 1987 |
| Priority date | — |
| Expiry date | Jun 24, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/684
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A cleaning material constituted of a non-woven web of fibers having ends and/or loops protruding from one face thereof, and obtained by needle-punching a web containing a mixture of at least two fibers, one of which has a weight of at least 100 decitex and the other a weight equal to or less than 30 decitex. The cleaning material may be bonded to a porous body, for example, by an intermediate layer to constitute a cleaning pad.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.