Brakes – Operators – Spring
Reexamination Certificate
2007-12-11
2007-12-11
Torres, Melanie (Department: 3683)
Brakes
Operators
Spring
C188S170000, C092S128000, C092S169200
Reexamination Certificate
active
11237125
ABSTRACT:
A composite material and framework structure adapted to be utilized as a piston and cylinder apparatus. A cylindrical tube composed of a composite material is compressed between two end caps at the axial ends of the cylindrical composite tube. Beam elements extend between the end caps and maintain the compression force on the cylindrical composite tube. The cylindrical composite tube comprises a continuous glass fiber reinforced structure embedded in a resin matrix. The resin matrix provides a self contained lubricant system in a resin rich layer, the lubricant system migrating to the inner surface of the cylindrical composite tube.
REFERENCES:
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patent: 5006291 (1991-04-01), Fish
patent: 5465647 (1995-11-01), Fish
patent: 5651303 (1997-07-01), Fish
patent: 5669284 (1997-09-01), Fish
patent: 7163090 (2007-01-01), Huber et al.
patent: 2025345 (1994-12-01), None
patent: 1581625 (1990-07-01), None
AeroSlide(TM) Composite Cylinder Tubing Article; www.polygoncompany.com/product—aeroslidetubing.cfm (Feb. 23, 2005).
Barnes & Thornburg LLP
Nahnsen Mark J
Polygon Company
Torres Melanie
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