Title:
BOLT WITH SCREW LEG SEAL
Document Type and Number:
Japanese Patent JP2004286150
Kind Code:
A
Abstract:
To provide a bolt with a screw leg seal having a highly accurate value in actual mounting axial force in fastening torque management and a limiting temperature in high temperature use increased to a high temperature region.
The outer peripheral face of a screw leg 2 of the metal bolt 1 is covered with a seal layer 3. The seal layer 3 is formed as a metal seal layer 4. The material of the metal seal layer 4 has lower compression strength and greater ductility than that of the screw leg 2 of the bolt 1. The material of the screw leg 2 of the bolt 1 is iron metal while the material of the metal seal layer 4 is aluminum metal.
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Inventors:
MIYAZAKI MANABU
HATAURA KIYOSHI
OKAJIMA TOSHINORI
ICHIKAWA TAKAYUKI
HATAURA KIYOSHI
OKAJIMA TOSHINORI
ICHIKAWA TAKAYUKI
Application Number:
JP2003080350A
Publication Date:
October 14, 2004
Filing Date:
March 24, 2003
Export Citation:
Assignee:
KUBOTA KK
International Classes:
F16B33/06; F16B31/02; (IPC1-7): F16B33/06; F16B31/02
Attorney, Agent or Firm:
Shoji Suzue
Toshiyuki Kimura
Toshiyuki Kimura