Closure for thermoplastic containers

Details Closure for thermoplastic containers Closure for thermoplastic containers

B - Operations, Transporting

65

D

220/12

B65D 33/16 (2006.01) A44B 19/16 (2006.01) B65D 33/25 (2006.01)

Patent

CA 1226246

ABSTRACT OF THE DISCLOSURE An improved integral thermoplastic closure for a container formed of a film or sheet, and method of manufacture. The closure includes a pair of inter- locking fastener elements with ribs on either side of at least one of the fastener elements to provide a stiffening effect to assist a user in interlocking the fastener elements. By controlling the thickness of a base portion of the fastener element so that it has a thickness greater than the film, the spacing of the ribs adjacent to a profile can be controlled to provide the desired stiffening and wide-track feel in the fastener element.

443528

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