CRACK REPAIRING METHOD - MITSUBISHI METAL CORP

Title:

CRACK REPAIRING METHOD

Document Type and Number:

WIPO Patent Application WO/1990/010771

Kind Code:

A1

Abstract:

The invention relates to a crack repairing method, wherein a repairing agent such as a resin is injected into a crack formed in a material such as concrete or rock, consisting of the steps of gradually increasing the pressure, at which the repairing agent is injected into the crack, after the injection has been started, and maintaining this injection pressure on a substantially constant level for a predetermined period of time after the injection pressure has reached a predetermined value, to spread the repairing agent thoroughly into the interior of the crack. The invention further relates to a crack repairing method, in which the air in a crack is sucked simultaneously with an operation for injecting a repairing agent thereinto, to pack the crack with the filler more effectively.

Inventors:

SHIMIZU SHIGEO (JP)
TABEI KAZUHIKO (JP)

Application Number:

PCT/JP1989/000278

Publication Date:

September 20, 1990

Filing Date:

March 15, 1989

Export Citation:

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Assignee:

MITSUBISHI METAL CORP (JP)
SHIMIZU SHIGEO (JP)

International Classes:

B05C5/00; E04F21/165; E04G23/02; F03G7/06; (IPC1-7): B05C5/00; E04F21/165; E04G23/02

Foreign References:

JPS61225471A	1986-10-07
JPS54128805A	1979-10-05
JPS60119387A	1985-06-26
JPS60209673A	1985-10-22
JPS5981781U	1984-06-02
JPS5821541U	1983-02-09
JPS62215773A	1987-09-22

Other References: