Method for forming headed stem mechanical fasteners
US6132660A · kind A · utility
71Cited by
33References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 19, 1997 |
| Grant date | Oct 17, 2000 |
| Priority date | — |
| Expiry date | Jun 19, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T24/27
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
There is provided a method of deforming the hook head portions of hook elements on a web backing. The hook elements on the web backing are fed into a nip formed between a support surface and an upper heated surface having a durameter hardness of less than 90 Shore A. This upper heated surface compressively engages the hook head causing it to turn down and permanently deform. This increases the uniformity of the hook head elements forming a fiber engaging crook region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.