Polymer diverter system for metal pipe having an integrally form

Details Polymer diverter system for metal pipe having an integrally form Polymer diverter system for metal pipe having an integrally form

1995-08-09

1997-03-04

Stemmer, Daniel

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

15624411, 156356, B29C 4770, B29C 4774

Patent

active

056075308

ABSTRACT:
An apparatus for applying polymer to metal pipe during the pipe forming process has a pump for pumping the polymer, a first extruder die receiving polymer from the pump and configured to apply polymer to metal pipe as the metal pipe is being formed from metal stock, and a second extruder die for forming pipe couplers. A valve effects diversion of the polymer from the first extruder die to the second extruder die when a stoppage of the pipe forming process occurs.

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Modern Plastic Encyclopedia, Mid-Oct. 1990 issue, vol. 67, No. 11, pp. 70 and 823.
Adhesives Age, Feb. 1985, vol. 28, No. 2, pp. 6 and 8.

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