Method of making protruding end stops for plastic reclosable fastener
US5088971A · kind A · utility
174Cited by
5References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 22, 1991 |
| Grant date | Feb 18, 1992 |
| Priority date | — |
| Expiry date | Mar 22, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S493/927
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method is disclosed for making end terminations for a plastic reclosable fastener or zipper, which incorporates a stop for the zipper slider wherein the zipper profile is cut apart with a hot knife which forces the melted material into cavities forming the end stops.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.