Pile weatherseal enclosed in U-shaped tube

Details Pile weatherseal enclosed in U-shaped tube Pile weatherseal enclosed in U-shaped tube

1977-03-21

1978-03-07

McCamish, Marion E.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

156 72, 264 90, 428 85, 428 86, 428 90, 428 92, 428188, D02G 300

Patent

active

040781062

ABSTRACT:
A weatherseal is made by extruding a resin base with a relatively thick, flat support portion and a relatively thin, portion U-shaped in cross section and joined to opposite side edges of the support portion to arch over the center of the support portion. While the resin material is still plastic, a pressure differential expands the U-shaped portion to reduce the thickness of the walls of the U-shaped portion, and then each side of the U-shaped portion is cut at a predetermined distance from the support to leave a pair of thin, spaced-apart resilient fins. Then fibrous pile material is secured to the support between the fins to form a double-fin, pile weatherseal.

REFERENCES:
patent: 4024004 (1977-05-01), Metzler

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