Molds for injection molding of continuous slide fastener chain

Details Molds for injection molding of continuous slide fastener chain Molds for injection molding of continuous slide fastener chain

B - Operations, Transporting

29

D

18/116

B29D 5/00 (2006.01) B29C 45/14 (2006.01) B29D 5/02 (2006.01)

Patent

CA 1125465

Abstract of the Disclosure: Disclosed are molds, one being stationary the other movable, for the injection molding of continuous slide fastener chain, each of the molds being provided with a upper runner stopper located at the end portion of a runner cavity on the tape entrance side of the molds, the upper runner stopper having a trapezoidal portion which projects toward the interior of the runner cavity, and with a lower runner stopper disposed on the tape exit side of the molds, the stationary mold having a positioning stopper adjacent said lower runner stopper, the positioning stopper having a trape- zoidal portion of a shape to engage with a recess formed in the posterior end of a runner by means of the trapezoidal portion of the upper runner stopper.

329526

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