Packer structure

Details Packer structure Packer structure

2009-07-14

2011-10-25

Lagman, Frederick L (Department: 3672)

Hydraulic and earth engineering

Earth treatment or control

Chemical

C405S266000

Reexamination Certificate

active

08043029

ABSTRACT:
A packer structure for grouting injects a repair liquid into a crack of a concrete structure. The packer structure includes a packer body having a flange adhered onto the crack and a central tube extending upwards from a central portion of the flange, an elastic tube having a first end connected to a first coupling portion of the central tube, a repair liquid injecting tube having a second coupling portion connected to a second end of the elastic tube and a check valve coupled to the repair liquid injecting tube and preventing the repair liquid from flowing backward; a first coupling cap having an inner circumference surface of a lower portion screwed to the central tube, and a second coupling cap having an inner circumference surface of an upper portion screwed to the repair liquid injecting tube.

REFERENCES:
patent: 4555286 (1985-11-01), Orikasa et al.
patent: 4555295 (1985-11-01), Orikasa et al.
patent: 4986862 (1991-01-01), Matsufuru
patent: 5809736 (1998-09-01), Naito et al.
patent: 5881523 (1999-03-01), Quatrochi, Jr.
patent: 5948444 (1999-09-01), Naito et al.
patent: 1985-108652 (1985-07-01), None
patent: 10306594 (1998-11-01), None
patent: 2010090695 (2010-04-01), None
patent: 83-4508 (1983-07-01), None
patent: 20-0222509 (2001-05-01), None
patent: 2002-0073119 (2002-09-01), None

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