Title:
FLUID TRANSFER PIPE CONNECTING STRUCTURE
Document Type and Number:
Japanese Patent JP3512759
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an inexpensive connecting structure capable of miniaturizing a connecting member and being easily assembled, for connecting a transfer pipe to a connecting part of an object device through the connecting member.
SOLUTION: This connecting structure comprises an internal sleeve inserted into a tip part of an enlarged pipe, and a hollow lock bolt longitudinally movably externally fitted to the pipe. The hollow lock bolt has an outer screw part positioned around an enlarged tip part of the pipe, a head part positioned at a basic end side with respect to the outer screw part, and a hollow part capable of inserting the transfer pipe. The hollow part has a large part, a small part and an annular stepped part located between the large and small parts, the annular stepped part of the lock bolt brings an inner peripheral face of the transfer pipe into contact with the basic end part of the sleeve, when the outer screw part of the hollow lock bolt is screwed into the inner screw part of the fluid device, and a contact part of the transfer pipe and the internal sleeve is sealed.
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Inventors:
Kim, Chul-won
Application Number:
JP2001179250A
Publication Date:
March 31, 2004
Filing Date:
June 13, 2001
Export Citation:
Assignee:
Kim, Chul-won
International Classes:
F16L19/02; F16L41/08; F16L19/04; (IPC1-7): F16L19/04; F16L19/02; F16L41/08
Attorney, Agent or Firm:
藤本 昇 （外５名）