Molded slide fastener coupling element

Details Molded slide fastener coupling element Molded slide fastener coupling element

1979-04-05

1981-04-28

Frazier, Roy D.

Buckles, buttons, clasps, etc.

Buckles

One-piece

242051R, A44F 1904

Patent

active

042636981

ABSTRACT:
Molded coupling elements are formed without draft in the locking portions, such as the locking protrusions, and are formed with double draft in passive portions, such as the neck area, to provide increased locking strength and operational clearance for slide fastener flexibility.

REFERENCES:
patent: 2394211 (1946-02-01), Siff
patent: 2526600 (1950-10-01), Bolten, Jr.
patent: 2701401 (1955-02-01), Dorman
patent: 2849774 (1958-09-01), Ryser
patent: 2959833 (1960-11-01), Ryser
patent: 3110947 (1963-11-01), Morin
patent: 3121929 (1964-02-01), Morin
patent: 3886634 (1975-06-01), Murata
patent: 4040150 (1977-08-01), Fukuroi

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