Method and apparatus for installing flexible linings in...

Details Method and apparatus for installing flexible linings in... Method and apparatus for installing flexible linings in...

2011-08-02

2011-08-02

Gupta, Yogendra N (Department: 1744)

Plastic article or earthenware shaping or treating: apparatus

Product or preform repair or restoring means

C425S013000, C156S287000

Reexamination Certificate

active

07988437

ABSTRACT:
A method and apparatus for installing a flexible lining tube in an underground pipe by eversion. A pressure vessel is equipped with a gasket that has an arcuate slot for receiving the lining tube in a manner that provides an effective seal without creating undue friction. A guide has a cylindrical wall curved in conformity with the slot and a conical surface leading to the cylindrical wall.

REFERENCES:
patent: 3650644 (1972-03-01), Ebert et al.
patent: 3813313 (1974-05-01), Feucht et al.
patent: 4207130 (1980-06-01), Barber
patent: 4871413 (1989-10-01), Hyodo et al.
patent: 4980116 (1990-12-01), Driver
patent: 5154936 (1992-10-01), Driver et al.
patent: 5167901 (1992-12-01), Driver et al.
patent: 5443377 (1995-08-01), Perkins et al.
patent: 5816293 (1998-10-01), Kiest, Jr.
patent: RE35944 (1998-11-01), Driver et al.
patent: 5906789 (1999-05-01), Kamiyama et al.
patent: 5916406 (1999-06-01), Kamiyama et al.
patent: 6390795 (2002-05-01), Waring et al.
patent: 6960313 (2005-11-01), Waring et al.
patent: 6969216 (2005-11-01), Driver
patent: 7476348 (2009-01-01), Waring
patent: 7517212 (2009-04-01), Blackmore et al.
patent: 2002/0163102 (2002-11-01), Thompson
patent: 2003/0209823 (2003-11-01), Waring et al.
patent: 2005/0098909 (2005-05-01), Kiest, Jr.
patent: 2006/0137816 (2006-06-01), Taylor et al.
patent: 2006/0197262 (2006-09-01), Waring
patent: 2007/0029688 (2007-02-01), Delaney et al.

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