Multiple-ply resilient seal
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United States of America Patent
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Dec 4, 2001
Grant Date -
N/A
app pub date -
Mar 26, 1999
filing date -
Mar 26, 1999
priority date (Note) -
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Abstract
A seal features a first ply and a second ply, each ply having at least one convolution. Leg termination regions connect the plies, such that a substantially enclosed volume is created between said first and second surfaces. Additional plies may be disposed between the first and second plies, the material of the additional plies having substantially the same convoluted shape of the first and second surfaces and being disposed within the envelope created between the first and second surfaces. The seal of the present invention may be formed of tube or strip stock. A seal formed of strip stock may have its edges, running about the circumference of the seal, either abutting, overlapping, or welded to each other.
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