Title:
CORRUGATED TUBE AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2019/188059
Kind Code:
A1
Abstract:
The present invention provides a corrugated tube and a method for manufacturing the same with which the workability of work for press-fitting a pipe or a quick connector can be improved. This corrugated tube 10 has a flexible section 11 comprising a first corrugated section 15 and a second corrugated section 16, and straight sections 12, 13 provided integrally at both ends of the flexible section 11. The length of valley sections 24 in the central axis direction is greater than the length of valley sections 22 of the first corrugated section 15, whereby the pitch P2 of ridge sections 23 in the second corrugated section 16 provided between the straight section 12 and the first corrugated section 15 is greater than the pitch P1 of ridge sections 21 of the first corrugated section 15.
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Inventors:
NAKAHIRA YUTO (JP)
YAMAZAKI MOTOKI (JP)
YAMAZAKI MOTOKI (JP)
Application Number:
PCT/JP2019/008747
Publication Date:
October 03, 2019
Filing Date:
March 06, 2019
Export Citation:
Assignee:
NITTA CORP (JP)
International Classes:
F16L11/11; B29C48/32; B29C53/30
Foreign References:
| JP2015228759A | 2015-12-17 | |||
| JP2014128050A | 2014-07-07 | |||
| JPS5872925U | 1983-05-17 | |||
| JP2001516004A | 2001-09-25 | |||
| JP2014025559A | 2014-02-06 | |||
| JP2007060781A | 2007-03-08 | |||
| JPS5229618A | 1977-03-05 | |||
| JPS63106985U | 1988-07-11 |
Attorney, Agent or Firm:
DORAIT IP LAW FIRM (JP)
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