Title:
ニードルガラスマット
Document Type and Number:
Japanese Patent JP2007512449
Kind Code:
A
Abstract:
A method for preparing a mat, including: a) deposition or projection of threads onto a traveling belt to form a lap of the threads that are driven by the belt, then b) needling by bearded needles passing through the lap and being displaced in the direction of the lap at substantially the same speed as that when they pass through the lap, with a stroke density ranging from 1 to 25 strokes per cm2. By the method the mat obtained can easily be deformed by hand to be placed in a mold for manufacture of a composite material by injection of resin (RTM). The mat may also be incorporated into a preimpregnated sheet (SMC) and be molded under pressure.
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Inventors:
Rochelle, Jill
François, Roderaire
Lionetti, Libio
Metra, Clair
François, Roderaire
Lionetti, Libio
Metra, Clair
Application Number:
JP2006540550A
Publication Date:
May 17, 2007
Filing Date:
October 07, 2004
Export Citation:
Assignee:
Saint-Gobain Betrotex France Societe Anonymous
International Classes:
B29C70/24; B29C70/48; C08J5/24; D04H1/4218; D04H1/46; D04H1/488; D04H3/004; D04H3/105; D04H3/12; D04H13/00
Domestic Patent References:
| JP2004530807A | 2004-10-07 | |||
| JPS52124977A | 1977-10-20 | |||
| JPS5649255A | 1981-05-02 | |||
| JPH10306203A | 1998-11-17 |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Goji Tasaki
Takashi Ishida
Tetsuji Koga
Goji Tasaki