Cooling tube with a low friction coating

Details Cooling tube with a low friction coating Cooling tube with a low friction coating

2007-09-04

2007-09-04

Davis, Robert B. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Means treating shaped work

C425S547000, C425S526000

Reexamination Certificate

active

10457268

ABSTRACT:
An intimate fit preform cooling tube with an inner mating surface that includes a polymeric coating to increase its lubricity and thereby reduce friction with a preform to be engaged therewith. The cooling tube of the present invention substantially reduces or eliminates preform ovality and gate stretching problems.

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International Search Report for PCT/CA2004/000412, Jun. 23, 2004, pp. 1 and 2.

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