Lining of passageways

Details Lining of passageways Lining of passageways

1986-01-17

1988-07-19

Bell, James J.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428282, 428284, 428286, 4284231, 4284235, B32B 2700

Patent

active

047584548

ABSTRACT:
The present invention provides a material which comprises a laminate of a fibrous layer such as a felt which can be impregnated with curable synthetic resin, and bonded to the felt is a membrane comprises three layers namely an inner layer of a low softening point material bonded to the felt, a barrier layer which represents a barrier to the aggressive components of the resin such as the styrene, and an outer layer bonded to the outside of the fibrous layer to provide for the application of patches and sealing tapes by heat or solvent welding.

REFERENCES:
patent: 4335802 (1982-06-01), Hirschner
patent: 4390574 (1983-06-01), Wood
patent: 4469729 (1984-09-01), Watanabe et al.
patent: 4521465 (1985-06-01), Shroer et al.
patent: 4705717 (1987-11-01), Cain et al.

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