Articles made from composite materials having toughened and...

Details Articles made from composite materials having toughened and... Articles made from composite materials having toughened and...

2011-03-29

2011-03-29

Nguyen, Ninh H (Department: 3745)

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Specific casing or vane material

C415S220000, C415S009000

Reexamination Certificate

active

07914256

ABSTRACT:
Articles having a body including a composite material having at least one toughened region and at least one untoughened region, the toughened region containing a toughening agent selected from the group consisting of polymers, nano fibers, nano particles, and combinations thereof where the toughened region includes a toughened resin having a fracture toughness of at least about 1.0 MPa-m1/2.

REFERENCES:
patent: 5135993 (1992-08-01), Decker et al.
patent: 6814541 (2004-11-01), Evans et al.
patent: 7390161 (2008-06-01), Xie et al.
patent: 7713021 (2010-05-01), Finn et al.
patent: 2004/0041128 (2004-03-01), Carter et al.
patent: 2004/0146393 (2004-07-01), Evans et al.
patent: 2006/0134251 (2006-06-01), Blanton et al.
patent: 2010/0148396 (2010-06-01), Xie et al.
PCT International Search Report, dated Mar. 3, 2008.

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