Stock material or miscellaneous articles – Composite
Reexamination Certificate
2007-06-07
2010-06-01
Saeed, Kamal A (Department: 1626)
Stock material or miscellaneous articles
Composite
C264S257000, C264S510000, C264S511000, C415S200000, C425S130000
Reexamination Certificate
active
07727631
ABSTRACT:
A method for manufacturing a multi-resin composite article is provided. The method comprises providing at least one fiber preform in a mold; injecting a plurality of resins into the at least one fiber preform at a plurality of locations on the at least one fiber preform; and forming at least one transition region along a mutual contact surface between the resins. Each of the at least one transition regions is defined by a gradual transition in composition from one of the resins to another of the resins. A multi-resin composite article is also provided. The article comprises: at least one fiber preform; a plurality of resins, wherein the at least one fiber preform is infused with the resins; and at least one transition region extending along a mutual contact surface between respective ones of the resins. A system for manufacturing such a multi-resin composite article is also provided.
REFERENCES:
patent: 4902215 (1990-02-01), Seemann, III
patent: 5643390 (1997-07-01), Don et al.
patent: 6048488 (2000-04-01), Fink et al.
patent: 2004028785 (2004-04-01), None
patent: 2004087392 (2004-10-01), None
“Processing and properties of co-injected resin transfer molded vinyl ester and phenolic composites,” Emanuele F. Gillio et al., Polymer Composites, Dec. 1999, vol. 20, No. 6 pp. 780-788.
Fang Xiaomei
Finn Scott Roger
Lin Wendy Wen-Ling
Xie Ming
Clarke Penny A.
General Electric Company
Saeed Kamal A
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