Waterproof slide fastener and apparatus for manufacturing the same
US7416397B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2007 |
| Grant date | Aug 26, 2008 |
| Priority date | — |
| Expiry date | Feb 22, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T24/2557
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A waterproof slide fastener and a manufacturing apparatus thereof are disclosed, wherein each fastener element has a coupling head, a neck portion, a body portion, and leg portions which are continuously fused and integrated, a terminal end is projected from a gap between upper/lower half portions of the coupling head, upper/lower flanges of a slider make a sliding contact with a surface of each of upper/lower half portions of each leg portion, each half portion of the leg portion extending from the body portion via a crotch portion and guiding the flanges, two or more leg portions are disposed with a predetermined interval in a sliding direction, an entire shoulder width of a shoulder portion is larger than a body width of the body portion if it is provided, thereby intensifying fixing strength between a fastener tape and fastener elements and waterproofness, and allowing a smooth sliding of a slider.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.