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US 5,857,494 AGranted
Pipeline structure with a lining material, an end structure of said pipeline and a method for applying a lining material to a pipeline
AssigneesTokyo Gas Co., Ltd., Ashimori Kogyo Kabushiki Kaisha
InventorsKatsuyoshi Tsukamoto, Shigeru Toyoda, Sofumi Sato, Masakatsu Hyodo, Kiyoshi Uegaki, Masatoshi Ishikawa, Hitoshi Saito
Life of this patent
Estimating the term…
Abstract
A pipeline structure with a lining material wherein a hermetic outer tube is disposed at the inner surface of a pipeline, and an inner lining material is disposed at the inner surface of the outer tube, said inner lining being made of a rigid fiber-reinforced plastic wherein a thermosetting resin is reinforced by a fiber reinforcement material.
Claims5
A pipeline structure with a lining material which comprises:
- a pipeline
- a hermetic outer tube non-adhesively disposed at the inner surface of the pipeline, and
- an inner lining made of a rigid fiber-reinforced plastic comprising a thermosetting resin reinforced by a fiber reinforcement material, said inner lining being disposed at the inner surface of said outer tube.
Dependencies are inferred from the claim text.