Enhanced color change interlocking closure strip

Details Enhanced color change interlocking closure strip Enhanced color change interlocking closure strip

1987-06-22

1989-05-16

Sakran, Victor N.

Buckles, buttons, clasps, etc.

Separable-fastener or required component thereof

Each mating member having similarly shaped, sized, and...

24399, 24576, 383 63, B65D 7710

Patent

active

048296414

ABSTRACT:
An interlocking closure device including two closure elements arranged to be interlocked over a predetermined length, each of said closure elements having different colors for establishing visually the completeness of the occlusion of the closure elements by providing color different from the closure elements when said closure elements are occluded, wherein the improvement comprises the introduction of a color change enhancement member in the internal channel of a translucent closure element whereby the closing and opening of the closure device is more easily detected by visual inspection.

REFERENCES:
patent: 3654049 (1972-04-01), Ausnit
patent: 4186786 (1980-02-01), Kirkpatrick
patent: 4212337 (1980-07-01), Kamp
patent: 4285105 (1981-08-01), Kirkpatrick
patent: 4295919 (1981-10-01), Sutrina et al.
patent: 4372014 (1983-02-01), Simpson
patent: 4561108 (1985-12-01), Kamp
patent: 4578813 (1986-03-01), Ausnit

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