Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Coated or impregnated woven – knit – or nonwoven fabric which... – Two or more non-extruded coatings or impregnations
Patent
1993-07-26
2000-10-17
Weisberger, Richard
Fabric (woven, knitted, or nonwoven textile or cloth, etc.)
Coated or impregnated woven, knit, or nonwoven fabric which...
Two or more non-extruded coatings or impregnations
442 64, 442164, 442168, 442169, 442175, 264548, 264554, 264241, 264257, 264258, 264260, 2642974, 4274071, 4274072, 4274073, 427412, B32B 3120
Patent
active
061331678
ABSTRACT:
A method of producing a curable prepreg which comprises (i) sandwiching a multi-ply fabric layer comprising at least two superposed sheets of woven reinforcing fabric between solid films of a curable resin composition and (ii) heating the resulting sandwich under pressure so that the resin composition impregnates the sheets of woven reinforcing fabric to form a coherent curable structure.
REFERENCES:
patent: 4395459 (1983-07-01), Herschdorfer et al.
patent: 4622091 (1986-11-01), Letterman
patent: 5051144 (1991-09-01), Kistner
Derwent 85-257604/42 (1985).
Derwent 84-141149/23 (1984).
Cook John
Green George Edward
Ciba Specialty Chemicals Corp.
Hall Luther A. R.
Kovaleski Michele A.
Weisberger Richard
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