Frangible port protector

Details Frangible port protector Frangible port protector

B - Operations, Transporting

26

D

190/138, 164/25

B26D 3/16 (2006.01) A61J 1/05 (2006.01) B29C 59/00 (2006.01) B29C 65/00 (2006.01) B29C 65/02 (2006.01)

Patent

CA 1186209

ABSTRACT OF THE DISCLOSURE A method of manufacturing a tear-off port protector for a container comprises placing flexible, typically ex- truded tubing on a mandrel that fills the bore of the tub- ing, with the tubing preferably outwardly stretched by the mandrel. A cutting blade is spaced a predetermined dis- tance of less than the tubing wall thickness from the mandrel. One then causes the cutting blade to form an annular cut about the tubing, while maintaining the predetermined dis- tance, and thereafter one removes the tubing from the man- drel.

411980

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