Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
HIGH TENSILE BOLT JOINT STRUCTURE AND NUT HOLDER
Document Type and Number:
Japanese Patent JP3934015
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a high-tensile bolt joint structure using a plurality of head-tightening high-tensile bolts and nuts, and a nut holder where, when a nut is secured at a prescribed inside position in advance, the nuts can be easily secured by a unit of a plurality of numbers, to surely prevent the dislocation and co-rotation of the nut which is secured.
SOLUTION: In the high-tensile bolt joint structure, nuts 6 are so attached by a unit of a plurality of numbers to a prescribed position of a nut holder 12 as no dislocation or co-rotation is caused. The nut holder 12 is disposed/secured at a prescribed position on the side opposite to a member to be jointed which is the tip side of the head-tightening high-tensile bolt, so that the nuts 6 come to a position for being screwed to the bolts, and the head-tightening high-tensile bolts are screwed in the nuts for head tightening. The nut holder 12 can be secured to prevent the co-rotation of the nut.


Inventors:
Sawazumi Shinichi
Nobuyoshi Uno
Application Number:
JP2002257366A
Publication Date:
June 20, 2007
Filing Date:
September 03, 2002
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Nippon Steel Corporation
Nippon Steel Engineering Co., Ltd.
International Classes:
E04B1/24; E04B1/58; E04B1/38; F16B5/02; F16B31/02; (IPC1-7): E04B1/58; E04B1/24; E04B1/38; F16B5/02; F16B31/02
Domestic Patent References:
JP2001107453A
JP2002181018A
JP2001027216A
Attorney, Agent or Firm:
Tomoyuki Yabuki
Tsugeko Shigeo
Hiroaki Tamura
Tomoyuki Yabuki
Tsugeko Shigeo
Yoshiyuki Watanabe