End clamp stops for plastic reclosable fastener

Details End clamp stops for plastic reclosable fastener End clamp stops for plastic reclosable fastener

B - Operations, Transporting

29

D

B29D 5/02 (2006.01) A44B 19/16 (2006.01) A44B 19/36 (2006.01) B65D 33/25 (2006.01) B65D 33/30 (2006.01)

Patent

CA 2062572

A fastener structure for a thermoplastic bag, comprising a pair of flexible plastic strips adapted to be secured to the facing sidewalls along the mouth of a thermoplastic bag; reclosable interlocking male and female profile elements on the respective strips; and a slider straddling the strips far opening or closing the male and female profile elements. The structure also includes end clamp means locate at the opposite ends of said strips, each of said end clamp means comprising a pair of clamp members positioned, in use, on opposite sides of the bag for clamping the pair of strip and the facing sidewalk of the bag therebetween. Means is provided for clamping each of said pair of clamp members together to provide a seal at the ends of said strips, said end clamp providing a stop surface adapted to engage with the slider for preventing the slider from moving past the ends of the strips. A method of manufacturing a plurality of thermoplastic bags incorporating a fastener structure is also disclose.

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