Use of a fibrous web incorporating microspheres for...

Details Use of a fibrous web incorporating microspheres for... Use of a fibrous web incorporating microspheres for...

B - Operations, Transporting

27

N

18/955

B27N 3/04 (2006.01) B29C 44/12 (2006.01) D04H 1/68 (2006.01)

Patent

CA 1278161

ABSTRACT OF DISCLOSURE The use of a fibrous web provided with micro- spheres disposed mainly within said web and arranged in a pattern in which areas of the web which contain micro- spheres and separated from each other by areas which contain virtually no microspheres, for making an article of manufacture reinforced with fibrous webbing by impreg- nating the web with a liquid resin and a hardener therefor. A shaped article of manufacture comprising a bonded fibrous web as described hereinabove, provided with expanded micro- spheres, said fibrous web having been impregnated with a mixture of a liquid resin and a hardener therefor, cured after being shaped, as well as a method of making a fibrous web incorporating microspheres, which is characterized in that microspheres not yet expanded are pressed into the fibrous web by means of a foam paste.

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