Hollow composite products and method for making same

Details Hollow composite products and method for making same Hollow composite products and method for making same

2005-10-18

2005-10-18

McDowell, Suzanne E. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

C264S516000

Reexamination Certificate

active

06955784

ABSTRACT:
The invention concerns a hollow composite product comprising over 20% glass in the form of long fibres, the thickness of the product walls further ranging between 1 and 10 mm about. The invention also concerns a method for making said product, which consists in inserting in a mould (10) a preheated assembly (9) comprising in its core at least an inflatable pocket covered with at least a composite structure, the composite structure including at least a filler material in the form of long fibres and the preheated assembly including a material capable of creeping, and in inflating the inflatable pocket under pressure higher than 40 bars.

REFERENCES:
patent: 5419554 (1995-05-01), Krone et al.
patent: 5795423 (1998-08-01), Johnson
patent: 6565793 (2003-05-01), Goldsworthy et al.
patent: WO 92/12847 (1992-08-01), None
patent: WO 98/51481 (1998-11-01), None

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