Reversible thermally expandable and/or contractible seal...

Details Reversible thermally expandable and/or contractible seal... Reversible thermally expandable and/or contractible seal...

2004-12-09

2009-02-03

Miller, Wiliam L. (Department: 3677)

Seal for a joint or juncture

Seal between fixed parts or static contact against...

Contact seal for other than internal combustion engine, or...

C277S933000

Reexamination Certificate

active

07484735

ABSTRACT:
Seal assemblies employing reversible thermally expandable and/or contractible material that can be controlled and remotely changed to alter the seal effectiveness, wherein the seal assemblies actively change dimensional and/or modulus properties such as stiffness, shape orientation, and the like. In this manner, in seal applications such as a vehicle door application, door opening and closing efforts can be minimized yet seal effectiveness can be maximized.

REFERENCES:
patent: 6009669 (2000-01-01), Jardine et al.
patent: 6702301 (2004-03-01), Davies et al.
patent: 2005/0198904 (2005-09-01), Browne et al.
patent: 2005/0199440 (2005-09-01), Keefe et al.
patent: 2005/0206095 (2005-09-01), Keefe et al.
patent: 2005/0206096 (2005-09-01), Browne et al.
“Silicone-Rubber Micovalves Actuated by Paraffin” NASA Tech Briefs, Sep. 2004, pp. 56, 58.

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