Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Shaping surfaces per se
Reexamination Certificate
2007-07-31
2007-07-31
Gupta, Yogendra N. (Department: 1722)
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Shaping surfaces per se
C425S385000, C425S394000, C425S397000, C425S374000
Reexamination Certificate
active
10633025
ABSTRACT:
An apparatus for forming elongated composite structural members with a desired cross-sectional geometry as taken transverse to the length of the member. The apparatus may include a base with a substantially elongated mandrel mounted thereon. One or more rollers configured to at least partially complementarily engage the mandrel are configured to roll over and press a plurality of plies of composite material onto the mandrel. The rollers may be configured to form intermediate structures which partially conform to the geometry of the mandrel prior to forming the final structure, which substantially completely conforms to the geometry of the mandrel. The rollers serve to both form and debulk the structure. The present invention enables the formation of elongated structural members from resin-impregnated materials while maintaining the materials in a substantially uncured state. The formed members may then be cocured with a skin or other composite structure.
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PCT International Search Report, dated Dec. 13, 2004.
Composite Systems, Inc., PFE—Technology, http://www.compositemfg.com/PFE%20Technology.htm, 2003, 3 pages.
Benson Vernon M.
Rosevear Todd A.
Slack Jason
Alliant Techsystems Inc.
Ewald Maria Veronica
Gupta Yogendra N.
TraskBritt
LandOfFree
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