Title:
METHOD AND APPARATUS FOR MAKING PREFORMS FROM GLASS FIBER STRAND MATERIAL
Document Type and Number:
WIPO Patent Application WO1998025072
Kind Code:
A3
Abstract:
The present invention is directed to a method and apparatus for forming a preform from glass fiber strand material. The preform is formed by feeding continuous glass fiber strand material into a mold to form a continuous wool product in the mold; feeding a binder into the mold; compressing the mold to compact the wool product to a desired density; and heating the mold to cure the binder, such that a preform is formed having generally the shape of the compressed mold. The mold is then opened and the preform is removed from the mold.
Inventors:
KNUTSSON GORAN K
NILSSON BENGT G
SVENSSON LENNART
NILSSON BENGT G
SVENSSON LENNART
Application Number:
PCT/EP1997/006942
Publication Date:
August 27, 1998
Filing Date:
November 27, 1997
Export Citation:
Assignee:
OWENS CORNING FIBERGLAS SWEDEN (SE)
International Classes:
B29B11/16; B29C41/10; B29C70/30; D04H1/42; F16L59/02; D04H1/64; D04H1/70; F01N1/24; F01N13/14; (IPC1-7): F16L59/02; D04H1/00; F01N1/24; B29C41/10
Foreign References:
| EP0692616A1 | 1996-01-17 | |||
| US3775209A | 1973-11-27 | |||
| EP0615014A1 | 1994-09-14 | |||
| US4569471A | 1986-02-11 | |||
| US4401610A | 1983-08-30 | |||
| US4690626A | 1987-09-01 | |||
| US4710094A | 1987-12-01 |
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