Punch device for creating a guide notch in a polymeric fastener attached to a plastic package
US7100487B2 · kind B2 · utility
0Cited by
28References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 2, 2001 |
| Grant date | Sep 5, 2006 |
| Priority date | — |
| Expiry date | Nov 2, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/9442
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for punching a guide notch in a polymeric zipper having a male and female track with respective fins. The method includes sliding the zipper into position in a punch housing and punching a guide notch into the zipper. The guide notch is defined by a plurality of edges in the zipper, which are guided out of the punch housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.