Zipper teeth forming mechanism for zipper forming machines
US5688539A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 3, 1996 |
| Grant date | Nov 18, 1997 |
| Priority date | — |
| Expiry date | May 3, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/814
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An improved zipper teeth forming mechanism for zipper forming machines. The teeth forming mechanism includes a mold base, a support seat, a seat cover, a screw sleeve and a ram mechanism. The screw sleeve consists of an upper portion and a lower portion defining a space therebetween for accommodating a forming screw. The upper portion has an elongate groove and a notch. A central rod is disposed in the groove while the ram mechanism is secured at the notch of the upper portion of the screw sleeve. The ram mechanism consists of a ram adjusting seat with a post, a bearing positioned on the post, a ram roller fitted on the bearing and a slide block fitted on the post of the ram adjusting seat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.