Buckles – buttons – clasps – etc. – Bag fasteners
Patent
1993-03-17
1994-12-06
Look, Edward K.
Buckles, buttons, clasps, etc.
Bag fasteners
24576, 24587, 383 65, B65D 3316
Patent
active
053698479
ABSTRACT:
A flexible fastener comprises a pair of opposed fastener strips each including a base plate; and a longitudinal marginal grip portion integrally formed along one longitudinal edge thereof. A pair of opposed female and male coupling portion are mounted on the inner sides on the base plates so as to project toward each other to coming into coupling engagement with each other, thereby releasably join the opposed fastener strips. Two pairs of elongated ridges are provided on the inner sides of the fastener strips, and a pair of elongated ridge are provided on the outer sides of fastener strips so as to provide increased friction between fingers and the fastener strips.
REFERENCES:
patent: 4363345 (1982-12-01), Scheibner
patent: 5065899 (1991-11-01), Tilman
patent: 5209574 (1993-05-01), Tilman
Hamatani Tsutomu
Naya Masahiro
Larson James A.
Look Edward K.
Yoshida Kogyo K.K.
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