Zipper teeth forming mechanism for zipper forming machines

Details Zipper teeth forming mechanism for zipper forming machines Zipper teeth forming mechanism for zipper forming machines

1996-05-03

1997-11-18

Mackey, James P.

Plastic article or earthenware shaping or treating: apparatus

Press forming means, press reshaping means, or vulcanizing...

425374, 425392, 425814, B29D 500

Patent

active

056885393

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.

REFERENCES:
patent: 3077001 (1963-02-01), Yoshida
patent: 3152433 (1964-10-01), Burbank
patent: 4090832 (1978-05-01), Moertel
patent: 4599065 (1986-07-01), Takahashi
patent: 4665613 (1987-05-01), Matsuda

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