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US 6,305,430 B1Granted
Reinforcement structure for pipe
AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorMasahiro Ishikawa
Life of this patent
Estimating the term…
Abstract
A reinforcement structure of pipe comprises a hard resin to be inserted into a pipe portion to be reinforced and protruded members protruded from the hard resin and having a slightly larger diameter than an inside diameter of the pipe portion, the protruded members being formed of a foaming resin material and the protruded members pressed into the pipe portion being foamed and expanded to seal between an internal surface of said pipe and an external surface of at least one of said core member.
Claims6
A reinforcement structure of a pipe comprising:
- a core member which is inserted into said pipe;
- and
- a protruded member which is protruded from said core member and have a slightly larger diameter than an inside diameter of said pipe,
- wherein at least one of said core member or said protruded member is formed of a foaming resin material, and
- wherein at least one of said core member or protruded member being pressed into said pipe is foamed and expanded to seal between an internal surface of said pipe and an external surface of at least one of said core member or said protruded member.
2 more elements
Dependencies are inferred from the claim text.