Cured-in place pipe rehabilitation process

The invention relates to a process comprising: (a) preparing a curable epoxy-anhydride thermoset composition; and (b) applying said curable epoxy-anhydride thermoset composition in a cured-in-place pipe rehabilitation process is disclosed. The cured-in-place pipe application utilized can generally b...

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Bibliographic Details
Main Authors Turakhia Rajesh H, Karunakaran Krishnan
Format Patent
LanguageEnglish
Published 16.05.2017
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
BLASTING
CESSPOOLS
ENGINEERING ELEMENTS AND UNITS
FIXED CONSTRUCTIONS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS
JOINTS OR FITTINGS FOR PIPES
LIGHTING
MEANS FOR THERMAL INSULATION IN GENERAL
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
PIPES
SEWERAGE
SEWERS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING
THERMAL INSULATION IN GENERAL
TRANSPORTING
WATER SUPPLY
WEAPONS
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:The invention relates to a process comprising: (a) preparing a curable epoxy-anhydride thermoset composition; and (b) applying said curable epoxy-anhydride thermoset composition in a cured-in-place pipe rehabilitation process is disclosed. The cured-in-place pipe application utilized can generally be the 'Inversion Installation Method,' or the 'Pull-in Installation Method'. The invention also relates to a cured-in-place pipe that is prepared by this process.
Bibliography:Application Number: US201214123412