Extruded zipper having combination stabilizing and differential opening means
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 5, 1988
Grant Date -
N/A
app pub date -
Dec 22, 1986
filing date -
Dec 22, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bag closing separable fastener has a combination profile stabilizing and guiding and differential opening force enhancing post flange projecting from a base area along the outer side of a male profile and engagable with a base area alongside a complementary female profile. The post flange serves not only for stabilizing the male profile fastener strip, but also as a device for enhancing a hard-to-open from the inside and easy to open from the outside function of the fastener in respect to a bag with which associated. The male and female profile base areas and the post flange have substantially the same rigidity.
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Cited Art Landscape
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