Title:
CORRUGATED TUBE, DUPLEX TUBE, HOSE WITH CORE PIECE, AND MANUFACTURING METHOD FOR HOSE WITH CORE PIECE
Document Type and Number:
Japanese Patent JP2018100722
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a corrugated tube and a duplex tube excellent in durability, a hose with a core piece excellent in durability, and a manufacturing method for the hose with the core piece capable of obtaining the hose with the core piece excellent in durability.SOLUTION: A corrugated tube 1 is a corrugated tube formed into an uneven shape along an axis O. A protrusion shape P on the corrugated tube 1 has an apex 1p within a range of a width W in an axial direction of the protrusion shape P, and has a triangle shape protruding outward in a radial direction.SELECTED DRAWING: Figure 1
Inventors:
KASHIWAMATA TOMOAKI
Application Number:
JP2016247133A
Publication Date:
June 28, 2018
Filing Date:
December 20, 2016
Export Citation:
Assignee:
BRIDGESTONE CORP
International Classes:
F16L11/11; F16L11/112; F16L13/14
Domestic Patent References:
| JP2008248873A | 2008-10-16 | |||
| JP2015080340A | 2015-04-23 | |||
| JP2009133474A | 2009-06-18 | |||
| JP2007321872A | 2007-12-13 | |||
| JP2004060817A | 2004-02-26 | |||
| JP2004150606A | 2004-05-27 |
Foreign References:
| US20160363242A1 | 2016-12-15 | |||
| US5209267A | 1993-05-11 | |||
| US6412520B1 | 2002-07-02 | |||
| US20060022459A1 | 2006-02-02 |
Attorney, Agent or Firm:
Kenji Sugimura
Yamaguchi Yusuke
Kotaro Sakamoto
Yamaguchi Yusuke
Kotaro Sakamoto
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