Paint roller manufacturing apparatus
US5137595A · kind A · utility
30Cited by
7References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 11, 1991 |
| Grant date | Aug 11, 1992 |
| Priority date | — |
| Expiry date | Feb 11, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/765
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A paint roller is comprised of a thermoplastic tubular core and a cover fabric heat-fused thereto without an intermediate adhesive. The fabric is wound around the core in a helical path, and the core is heat-softened in the zone of winding to fuse the fabric to the core as it is wound thereon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.