Buckles – buttons – clasps – etc. – Slit closing means including guides on opposite edges of...
Patent
1988-02-11
1990-07-17
Cranmer, Laurie K.
Buckles, buttons, clasps, etc.
Slit closing means including guides on opposite edges of...
24389, 24587, A44B 1932
Patent
active
049412388
ABSTRACT:
The device provides a fastener which somewhat resembles a slide fastener but which can be made at least substantially fluid-resistant. It comprises a first component (1), of flexible and resilient material, having an engagement formation having a longitudinal groove (6) and longitudinally spaced mating formations (10), and a second component (2), of similar material, having a rib (16) and longitudinally spaced mating formations (19). 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 (123). The components can be engaged and disengaged by means of a slide (52) 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 (7,17) and/or interlocking mating formations (10,19). Numerous other examples are illustrated.
REFERENCES:
patent: 1929083 (1933-10-01), Sipe
patent: 2107216 (1938-02-01), Rogers
patent: 2519290 (1950-08-01), Saltz
patent: 2869207 (1959-01-01), Bernstein
patent: 3416199 (1968-12-01), Imamura
patent: 3490109 (1970-01-01), Heimberger
patent: 3711903 (1973-01-01), Brown
patent: 4660259 (1987-04-01), Ausnit
Anderson Allison E.
Cranmer Laurie K.
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