Laminated hook fastener
US6737147B2 · kind B2 · utility
35Cited by
30References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2000 |
| Grant date | May 18, 2004 |
| Priority date | — |
| Expiry date | Dec 14, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/184
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An extruded hook fastener strip is created on a roll having hook forming cavities in its surface by extruding plastic material into the interface between the forming roll and a second strip carried by a backing roll. The second strip is firmly bonded to the fastener strip on that side opposite the formed hooks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.