Plastic closure with structural thread formation

Details Plastic closure with structural thread formation Plastic closure with structural thread formation

B - Operations, Transporting

65

D

206/31

B65D 55/08 (2006.01) B65D 41/04 (2006.01) B65D 41/34 (2006.01) B65D 51/16 (2006.01)

Patent

CA 1287016

ABSTRACT OF THE DISCLOSURE A plastic closure for use on a container having an externally threaded neck is disclosed wherein the skirt portion of the closure cap includes an internal structural thread formation. The structural thread formation comprises a helical thread ramp portion which is configured for load-bearing engagement with the thread of the associated container, and further includes means for reinforcing the thread ramp portion, in the form of a plurality of spaced-apart reinforcing gussets. The provision of the structural thread formation desirably facilitates high-speed molding of the closure, and desirably acts to reduce the quantity of plastic material required for molding the closure.

532411

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