Method and apparatus for manufacturing slide fastener chain with

Details Method and apparatus for manufacturing slide fastener chain with Method and apparatus for manufacturing slide fastener chain with

1994-08-30

1996-07-16

Davis, Robert

Adhesive bonding and miscellaneous chemical manufacture

Apparatus having delaminating means adapted for delaminating...

Delaminating means in preparation for post consumer recycling

156201, 156202, 156252, 156467, 156510, 1565801, 264154, 264161, 264229, 264252, 264273, 264275, 264278, 425111, 425121, 425122, 425145, 425294, 425545, 425814, B32B 3110, B29C 4514

Patent

active

055363431

ABSTRACT:
In a method and apparatus for manufacturing a slide fastener chain having rows of coupling elements and members of a separable bottom end stop assembly, two positioning holes are formed at predetermined positions on reinforcing films attached to a pair of fastener tapes. The positioning holes are used to position the fastener tapes relative to a molding unit with respect to each individual slide fastener length. Thus, even when a positioning error is produced due to a change in tension on the fastener tapes being processed, such error is limited to a small extent which is created only in the individual slide fastener length. Thus, the coupling elements and the first pin member and the second pin member can be molded precisely. Additional to its primary positioning function, the positioning holes further have a function to provide a reference when a pair of U-shaped cutout portions is formed in the fastener tapes to facilitate smooth and reliable attachment of a box relative to the first pin member and the second pin member, and also have a function to provide a reference when the slide fastener chain is cut off at the cutout portions transversely across the fastener tapes.

REFERENCES:
patent: 4226577 (1980-10-01), Sawada
patent: 4453990 (1984-06-01), Takahashi
patent: 4455274 (1984-06-01), Horney
patent: 4492547 (1985-01-01), Nogal
patent: 4641424 (1987-02-01), Sodeno et al.
patent: 4906318 (1990-03-01), Miyazaki
patent: 5079820 (1992-01-01), Mayerhofer
patent: 5231737 (1993-08-01), Froblich et al.
English Abstract of Japanese application 60-44,315, Mar. 9, 1985.

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