Title: Method of lining a passageway with a resin absorbent tube

Abstract: A lining comprising a resin absorbent tube having on the outside a fluid impermeable membrane everted into the passageway to line same using fluid pressure. The resin absorbent material is soaked in resin by trapping a quantity of resin in the lining before it everts in the passageway, and the resin is cured after the lining is everted into the passageway surface, preferably by a curing means following the everting lining along the inside of the passageway.

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Other info:

Inventors: Wood, Eric (Ossett, GB)

Application Number: 865375
Filing Date: 1977-12-29
Publication_date: 1979-01-23
Assignee: Insituform International Inc. (GB2)
Primary Class(es): 156/199 29/234, 29/235, 29/421.1, 29/451, 118/44, 118/56, 118/408, 118/419, 118/DIG10, 138/97, 138/140, 138/149, 156/287, 156/294, 156/499, 156/574, 264/510, 405/1
Other Classes:
US Patent Ref:

3230129	Jan, 1966	Kelly	156/287.
3381718	May, 1968	Darrow	156/287.
3433214	Mar, 1969	Silverman	156/287.
3474755	Oct, 1969	Voo	118/44.
4009063	Feb, 1977	Wood	156/294.
4032677	Jun, 1977	Ichioka et al.	118/419.
4064211	Dec, 1977	Wood	156/287.

Other Refs:
Primary Examiner: Massie, Jerome W.
Assistant Examiner:
Attorney: Wolf, Greenfield & Sacks