Method and apparatus for injecting concrete repairing agent into

Details Method and apparatus for injecting concrete repairing agent into Method and apparatus for injecting concrete repairing agent into

1996-04-05

1998-09-22

Friedman, Carl D.

Static structures (e.g., buildings)

Processes

Filling preformed cavity

52514, 527413, 527414, 5274216, E04G 2124, E04G 2302

Patent

active

058097368

ABSTRACT:
An injection plug device for injecting an epoxy resin repairing agent into an arcuate injection groove formed in a concrete structure. A rod member made of the same or similar epoxy resin as the repairing agent, is inserted and attached in the groove and has an injection hole at its center through which the repairing agent is injected. A tube member protrudes from the center of the rod member and has an inner end portion communicating with the injection hole of the rod member. A pipe member is inserted into the tube member, and a check valve mechanism is provided between the inner end portions of the pipe member and the tube member. After the resin is injected into the concrete structure and the resin is solidified, the pipe member is easily broken and removed from the rod member, together with the pipe member and the check valve mechanism.

REFERENCES:
patent: 4905430 (1990-03-01), Schmidt
patent: 5155965 (1992-10-01), Tabei et al.
patent: 5309692 (1994-05-01), Hayashi et al.
patent: 5329740 (1994-07-01), Hayashi et al.

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