The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 22, 2008
Filed:
Dec. 27, 2005
Takao Kamiyama, Hiratsuka, JP;
Koji Kaneta, Hiratsuka, JP;
Kenji Fujii, Hiratsuka, JP;
Ryoichi Goto, Hiratsuka, JP;
Takao Kamiyama, Hiratsuka, JP;
Koji Kaneta, Hiratsuka, JP;
Kenji Fujii, Hiratsuka, JP;
Ryoichi Goto, Hiratsuka, JP;
Abstract
An apparatus is provided for everting a tubular pipe lining material for rehabilitating an existing pipe. The apparatus has a sealed storage container storing a rotary body around which the pipe lining material is wound in a roll. An electric motor undergoes rotation in a first rotational direction to rotate the rotary body to wind the pipe lining material on the rotary body and undergoes rotation in a second rotational direction opposite to the first rotational direction. An eversion nozzle is attached to the storage container for everting the pipe lining material. When fluid pressure is supplied into the storage container to pull the pipe lining material out from the storage container and evert it via the eversion nozzle, the electric motor is caused to rotate in the second rotational direction due to the pulling out of the pipe lining material and to function as an electric generator to brake the pullout of the pipe lining material.