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Title:
ANCHOR MOUNTING DEVICE FOR CIVIL ENGINEERING AND WASHER FOR ANCHOR MOUNTING DEVICE FOR CIVIL ENGINEERING
Document Type and Number:
Japanese Patent JP2012140985
Kind Code:
A
Abstract:

To provide an anchor mounting device for civil engineering configured to increase a water-stop effect in a joint portion between a nut and a washer, and prevent, in using resin-coated nut and washer, the resin in a joint portion between the nut and the washer from being separated, while reducing an influence on fastening torque.

The anchor mounting device 1 for civil engineering comprises: a long civil-engineering anchor 11 such as a threaded lock bolt; a nut 12 to be screwed to a head of the civil-engineering anchor 11; a square washer 13 having an insertion hole formed therein and allowing the civil-engineering anchor 11 to be inserted; and a tapered washer 14 having a conical inclined face, which is inclined from a maximum outer diameter portion having an outer diameter larger than the inner diameter of the insertion hole of the square washer 13 to a minimum outer diameter portion having an outer diameter smaller than the inner diameter of the insertion hole of the square washer 13.


Inventors:
MAEDA KAZUNORI
NAKAMURA TAKAYUKI
Application Number:
JP2010292348A
Publication Date:
July 26, 2012
Filing Date:
December 28, 2010
Export Citation:
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Assignee:
OKABE CO LTD
International Classes:
F16B37/14; E02D5/80; E21D20/00; F16B25/10; F16B33/06; F16B39/04; F16B43/00
Domestic Patent References:
JP2005515072A2005-05-26
JPS51120464U1976-09-30
JPS6089417U1985-06-19
JP2005299796A2005-10-27
JP2006017310A2006-01-19
JP2005048836A2005-02-24
JP2005090222A2005-04-07
JP2012506012A2012-03-08
Attorney, Agent or Firm:
Go Eto
Shigeo Nakajima