Plastic article or earthenware shaping or treating: apparatus – Product or preform repair or restoring means – Shape conforming sleeve or deformable pressure wrap means
Reexamination Certificate
2011-01-11
2011-01-11
Del Sole, Joseph S (Department: 1791)
Plastic article or earthenware shaping or treating: apparatus
Product or preform repair or restoring means
Shape conforming sleeve or deformable pressure wrap means
C425S059000, C425S387100, C264S036160, C264S036170
Reexamination Certificate
active
07866968
ABSTRACT:
Installation of a flexible cured in place liner by inverting the liner utilizing an inversion sleeve assembly with an installation apparatus having at least one selectively operable rigid gland. The sleeve assembly includes a sleeve portion of an absorbable material secured in an apparatus with an inversion boot fitted at the distal end with an inlet port for inversion and/or curing fluid. The sleeve assembly and apparatus are particularly well suited for inverting with air and curing the liner with steam introduced through a perforated lay flat hose using an apparatus with two glands. The installation sleeve is the same dimension as the liner to be installed and is reusable thereby substantially reducing the set up time to install using the dual gland apparatus. Preferably, the flexible sleeve is a length of dry cured in place liner inverted on to itself to expose two impregnable surfaces. The sleeve may have a built in fluid inlet port for use with a dual gland apparatus.
REFERENCES:
patent: 5154936 (1992-10-01), Driver et al.
patent: 5597353 (1997-01-01), Alexander, Jr.
patent: 6960313 (2005-11-01), Waring et al.
patent: 2006/0090804 (2006-05-01), Driver et al.
patent: 2008/0047624 (2008-02-01), Iwasaki-Higbee
patent: 1810814 (2007-07-01), None
Birchler Neil T.
Costa Kyle M.
Driver Franklin Thomas
Polivka Richard C.
Wang Weiping
Del Sole Joseph S
Dye Robert
INA Acquisition Corp.
Senniger Powers LLP
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