HEAT−RESISTANT TUBE - NITTA MOORE CO LTD

Title:

HEAT−RESISTANT TUBE

Document Type and Number:

WIPO Patent Application WO/2003/008850

Kind Code:

A1

Abstract:

A heat−resistant tube, which consists essentially of a polyester−based elastomer and exhibits an amount of the change in angle of ± 10 &ring C or less in a test for evaluating the capability for form retention, a rate of the change in inner diameter of ± 2 % or less in a test for evaluating dimensional stability, and a rate of the change in strength at yield point of ± 30 % or less in a test for evaluating the capability for flexibility retention. The heat−resistant tube can be subjected to a thermo bending at a temperature higher than that of a use environment and exhibits excellent retention of the form after the thermo bending when it is allowed to stand in the use environment after the thermo bending.

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Inventors:

NISHINO TODOMU (JP)
NAKABAYASHI YUJI (JP)
MANAI RYOJI (JP)

Application Number:

PCT/JP2002/007365

Publication Date:

January 30, 2003

Filing Date:

July 19, 2002

Export Citation:

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Assignee:

NITTA MOORE CO LTD (JP)
NISHINO TODOMU (JP)
NAKABAYASHI YUJI (JP)
MANAI RYOJI (JP)

International Classes:

B29C53/08; B32B1/08; B32B27/36; F16L9/127; F16L11/12; (IPC1-7): F16L11/08; B29D23/00; B32B1/08; B32B27/36

Foreign References:

JP2000202890A	2000-07-25
JPH11325381A	1999-11-26
JP2000319470A	2000-11-21
GB2339878A	2000-02-09

Other References: