Waterproof zipper and manufacturing method therefor
US8869356B2 · kind B2 · utility
4Cited by
6References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 24, 2010 |
| Grant date | Oct 28, 2014 |
| Priority date | — |
| Expiry date | Feb 1, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T24/2539
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
In one aspect, the present invention is directed to a waterproof zipper (2) comprising: joining teeth (6), each consolidated by a consolidating block (24) and contactably grasping the tape (4) of the zipper (2), separating the tape (4) from the opposite tape of said zipper; and a soft seal (8), wrapping and expanding (towards 48) each of the two tapes (4) beyond the joining line (78) of the tapes (4); thereby applying pressure between the soft seals (8) at the joining line (78), resulting in tight sealing of the two soft seals (8).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.