Buckles – buttons – clasps – etc. – Zipper or required component thereof – Interlocking surface constructed from plural elements in series
Patent
1983-05-06
1985-06-04
Kannan, Philip C.
Buckles, buttons, clasps, etc.
Zipper or required component thereof
Interlocking surface constructed from plural elements in series
A44B 1900
Patent
active
045205353
ABSTRACT:
A slide fastener comprises discrete coupling elements each having a pair of upper and lower coupling portions disposed one on each side of the plane of a stringer tape. The upper coupling portion has an arcuate head and a reduced neck integral therewith and complementary in shape thereto, the neck being defined by a pair of recesses. The lower coupling portion has a pair of substantially triangular shoulders extending laterally in opposite directions over the recesses beyond the width of upper and lower legs extending from the neck away from the head. Each shoulder is defined by an angled sidewall blending at one end with the lower leg adjacent to a corresponding one end of the sidewall of the neck and intersecting the opposite end of the neck's sidewall.
REFERENCES:
patent: 2526600 (1950-10-01), Bolten, Jr.
patent: 2790223 (1957-04-01), Morin
patent: 2798275 (1957-07-01), Morin
patent: 2942317 (1960-06-01), Morin
patent: 3068541 (1962-12-01), Morin
patent: 3238285 (1966-03-01), Morin
Kannan Philip C.
Yoshida Kogyo K. K.
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