LOW NOISE TYPE DOUBLE PIPE - TOYOTA MOTOR CORP

Title:

LOW NOISE TYPE DOUBLE PIPE

Document Type and Number:

Japanese Patent JPH1122454

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a low noise type double pipe with a large noise reducing effect. SOLUTION: This double pipe 10 is constituted so that an inner pipe 11 and an outer pipe 12 are made in a non-contact state by holding a clearance between the inner pipe 11 and the outer pipe 12 in a low noise type double pipe welding a double pipe on a flange 13 from the inner pipe 11 and the outer pipe 12. In this case, the flange 13 is constituted of the flange 13 with a collar, and the inner pipe 11 is inserted into the flange 13 with the collar and welded.

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Inventors:

KOSUGE HIROSHI
IDE SHUNICHI

Application Number:

JP18331797A

Publication Date:

January 26, 1999

Filing Date:

July 09, 1997

Export Citation:

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Assignee:

TOYOTA MOTOR CORP

International Classes:

F01N13/08; F01N13/14; F01N13/18; (IPC1-7): F01N7/08; F01N7/14; F01N7/18

Attorney, Agent or Firm:

Nobuo Tabuchi

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