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Title:
FASTENER, CONSTRUCTION METHOD OF ATTACHING ATTACHMENT TO CONCRETE BASE MATERIAL, AND FASTENING PORTION STRUCTURE
Document Type and Number:
Japanese Patent JP2010248769
Kind Code:
A
Abstract:

To provide a technique of filling the whole interior of a communicating through-hole with a filler, facilitating inhibition of the ingress of air bubbles into the filler, and ensuring workability in nut tightening work in execution of attachment construction work of fastening/attaching an attachment to a concrete base material with a bolt put through the through-hole in which a base material through-hole penetrating the concrete base material communicates with a bolt through-hole penetrating the attachment.

The attachment construction work includes a fastening process of fastening/fixing a cap 2 to a tall concrete column 1 using a fastener 10 having a bolt 11 with an injection hole 11c for filler injection, a nut 12, and a pair of washers 13 having a vent slot 13a formed therein, and a filler injection process of injecting a filler 5 into a communicating through-hole 4 through the injection hole 11c of the bolt 11, the filler injection process being executed following the fastening process. The attachment construction work is carried out to provide a fastening portion structure.


Inventors:
IMAI SEISHI
FUJII YASUNARI
IKENO SEIJI
KOBAYASHI KAORU
Application Number:
JP2009098494A
Publication Date:
November 04, 2010
Filing Date:
April 14, 2009
Export Citation:
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Assignee:
SANKO TECHNO CO LTD
HIGASHI NIPPON RYOKAKU TETSUDO
International Classes:
E01D21/00; F16B1/00; F16B35/00; F16B35/04; F16B43/00; F16J15/14
Domestic Patent References:
JP2001355209A2001-12-26
JP2003227106A2003-08-15
JP2004346509A2004-12-09
JP2007154600A2007-06-21
JPH03243160A1991-10-30
JPH04207915A1992-07-29
JPH11323842A1999-11-26
JPH05172129A1993-07-09
JPH0262414A1990-03-02
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama