IMPROVEMENTS IN OR IN RELATION TO PIPE LINERS AND THE INSTALLATION THEREOF
A pipe liner has an elongate duct of thin laminated thermoplastic layers and remains relatively flexible and folded to a flat form. In this form, opposing sides of the duct are pressed into close proximity aided by folding of the duct, so the liner can be stored efficiently. In use, the liner is ins...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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