Felt material of layer of fine denier felt and layer of coarse d

Details Felt material of layer of fine denier felt and layer of coarse d Felt material of layer of fine denier felt and layer of coarse d

1981-07-31

1983-06-28

McCamish, Marion

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428212, 428281, 428283, 428300, B32B 516

Patent

active

043905749

ABSTRACT:
The present invention relates to the provision of a filling material such as an inorganic filler in the felt, especially a needled felt. The resulting felt material is formed into a tube for use in a passageway lining process in which the felt material is soaked in a curable resin. The purpose of the filling material is to reduce the quantity of resin required to impregnate the felt, thereby to reduce the cost of the process.

REFERENCES:
patent: 4250172 (1981-02-01), Mutzenberg

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