Apparatus for obtaining the spacing of zip fasteners

Details Apparatus for obtaining the spacing of zip fasteners Apparatus for obtaining the spacing of zip fasteners

1979-12-10

1981-12-29

Bilinsky, Z. R.

Metal working

Plural diverse manufacturing apparatus including means for...

Slide fastener or slide fastener element

29 34A, 29408, 29766, 72325, 83921, B26D 125, B29D 500

Patent

active

043074995

ABSTRACT:
For obtaining the spacing of continuously manufactured zip fasteners by removing in a single operation the connecting members over a certain length, a device is provided which comprises a die and a stepped punch with three rectangular sections. The punch is guided in a tape pressure which holds at standstill the tapes of the fastener coupled by means of the connecting members against the die. The three sections of the stopped punch have dimensions proportioned with respect to the dimensions of the connecting members to be removed.

REFERENCES:
patent: 1675910 (1928-07-01), Riker
patent: 1837451 (1931-12-01), Lee
patent: 3106749 (1963-10-01), Streicher
patent: 3368269 (1968-02-01), Perlman
patent: 3538582 (1970-11-01), Perlman

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