Weatherseal manufacture

Details Weatherseal manufacture Weatherseal manufacture

B - Operations, Transporting

32

B

18/108

B32B 1/06 (2006.01) B29D 99/00 (2010.01) B29C 47/00 (2006.01) E06B 7/22 (2006.01)

Patent

CA 1040371

Abstract of the Disclosure A weatherseal is made by extruding a resin base with a relatively thick and generally flat support portion and a relatively thin portion U-shaped in cross section and joined to opposite side edge regions of the support portion and arching over one face surface of the support portion. While the resin material is still plastic, a pressure is produced outside the U-shaped portion that is substantially lower than that inside such portion whereby to expand this portion away from the support portion and reduce the thickness of the wall of such U-shaped portion The resin material is then set with the U-shaped portion expanded. Each side of the U-shaped portion is then cut off at a predetermined distance from the support portion to leave a pair of thin, spaced-apart, resilient fins extending away from the face surface of the support portion. A fibrous pile material is secured to the face surface of the support portion between the fins.

217611

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