Lining of pipelines and passageways

Details Lining of pipelines and passageways Lining of pipelines and passageways

1984-12-27

1986-04-08

Lusignan, Michael R.

Coating processes

Electrical product produced

Welding electrode

156199, 1562722, 156287, 156294, 1563809, 427 541, 427230, 427386, 4273935, B05D 306, B29C 1700

Patent

active

045812470

ABSTRACT:
The present invention provides that in the lining of a pipeline or passageway using a flexible lining comprising a resin absorbent felt, the felt is impregnated with a light curing resin, and light radiation is used for effecting the resin cure. The resin and felt are selected so as to be of a similar refractive index, and so that the resin and fibres are substantially transparent to the curing light radiation which is used. The lining is pre-impregnated and then contained a bag, envelope or sachet of opaque material to prevent it from curing prematurely.

REFERENCES:
patent: 3804663 (1974-04-01), Clark
patent: 4135958 (1979-01-01), Wood
patent: 4439469 (1984-03-01), Wood

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