One-piece extrusion-resistant seal
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United States of America Patent
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Issued Date -
May 12, 2005
app pub date -
Nov 6, 2003
filing date -
Nov 6, 2003
priority date (Note) -
Abandoned
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Abstract
An extrusion-resistant seal having a deformable sealing part and an extrusion-resistant part. The seal includes a sealing part formed by melting and solidifying a first thermoplastic polymer, and an extrusion-resistant part formed by sintering a second thermoplastic polymer. The sealing part and the extrusion-resistant part may be consolidated into a one-piece structure. The second thermoplastic polymer includes fibers of the second thermoplastic polymer, which may include an oriented configuration, such as a woven configuration or a braided configuration. The sealing part has a first deformation value, and the extrusion-resistant part may have a second deformation value that is less than the first deformation value. Also a consolidated thermoplastic polymer monolith having a deformable surface formed by a first thermoplastic polymer, and a deformation-resistant region formed by fibers of a second thermoplastic polymer.
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