Long hole chemical grout injector system

Details Long hole chemical grout injector system Long hole chemical grout injector system

1992-08-31

1994-08-30

Reese, Randolph A.

Hydraulic and earth engineering

Earth treatment or control

Chemical

405303, 2394164, 2394245, 285320, E02D 312

Patent

active

053421493

ABSTRACT:
A system is described to separately furnish to an injector apparatus that is placed within a pipe two or more grout components. The injector apparatus is secured in position in the pipe by components of the injector apparatus that are urged into a position of cooperation with a modified section of pipe as a consequence of the increased hydraulic pressure that occurs within the injector apparatus during the pumping of one of the grout components thereinto. The two or more grout components after separately being furnished to the injector apparatus are then combined together by elements of the system and are then thoroughly mixed (reacted) together by other elements of the system to form a grout that is discharged from the system following their mixing together and prior to setting of the grout in ideal proximity with respect to a crack or crevice requiring grout application. All components of the system are recovered for subsequent use elsewhere.

REFERENCES:
patent: 4302132 (1981-11-01), Ogawa et al.
patent: 4449856 (1984-05-01), Tokoro et al.
patent: 4710063 (1987-12-01), Faktus et al.
patent: 4859119 (1989-08-01), Chida et al.
patent: 5006017 (1991-04-01), Yoshida et al.
patent: 5100182 (1992-03-01), Norkey et al.

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