Method of apparatus for metering an elongate stringer chain

Details Method of apparatus for metering an elongate stringer chain Method of apparatus for metering an elongate stringer chain

1990-08-16

1992-12-08

Ruggiero, Joseph

Boots, shoes, and leggings

29408, 29766, 364562, G06F 1546, B21D 5350

Patent

active

051703564

ABSTRACT:
A method of and an apparatus for metering an elongate stringer chain to be finished into slide fasteners of different lengths, the metering being based on an element pitch P derived from dividing a given metering length L by the number of coupling elements thereon. The stringer chain is held substantially in tensionless suspension while it is being metered to achieve a maximum of metering accuracy.

REFERENCES:
patent: 3050226 (1962-08-01), Perrella
patent: 3987533 (1976-10-01), Sandgren
patent: 4187750 (1980-02-01), Ito et al.
patent: 4310961 (1982-01-01), Clearwater
patent: 4561161 (1985-12-01), Morita
patent: 4625375 (1986-12-01), Osaki

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