A - Human Necessities – 44 – B
Patent
A - Human Necessities
44
B
24/47
A44B 19/32 (2006.01) A44B 19/14 (2006.01) A44B 19/16 (2006.01) B65D 33/25 (2006.01)
Patent
CA 1307383
ABSTRACT Slide Fasteners and the Like The invention provides a fastener which somewhat resembles a slide fastener but which can be made at least substantially fluid-resistant. It comprises a first component , of flexible and resilient material, having an engagement formation having a longitudinal groove and longitudinally spaced mating formations, and a second component , of similar material, having a rib and longitudinally spaced mating formations . The components can be progressively engaged by the introduction of the rib into the groove and the interengagement of the mating formations. The latter prevent significant relative longitudinal movement between the components. Each component can be made by extrusion of a blank followed by the formation of the mating formations by a rotary die . The components can be engaged and disengaged by means of a slide like that used in a conventional slide fastener. To prevent the inadvertent disengagement of the components, the component may have longitudinal retaining or locking formations and/or interlocking mating formations . Numerous other examples are illustrated.
558804
Anderson Alison E.
Clark David F.
Mccarthy Tetrault Llp
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