Title:
樹脂製の加工管およびその製造方法
Document Type and Number:
Japanese Patent JP6734892
Kind Code:
B2
Abstract:
To provide a novel resin machined pipe having a pipe end part equipped with a tough outer ring, and a manufacturing method thereof.SOLUTION: In a machined pipe for piping connected by a housing type pipe joint 200, an annular outer ring 20 made of the same resin as a pipe body 10 is integrally provided outside the pipe of 10 to 30 mm from the opening end of the resin pipe body 10. Consequently, the outer ring 20 is formed of the same resin as the pipe body 10 and is integrated with the pipe body, so that the housing type pipe joint 200 can be securely engaged.SELECTED DRAWING: Figure 1
Inventors:
Ichiro Nagumo
Application Number:
JP2018137359A
Publication Date:
August 05, 2020
Filing Date:
July 23, 2018
Export Citation:
Assignee:
Japan Engineering Co., Ltd.
International Classes:
F16L9/12
Domestic Patent References:
| JP7332549A | ||||
| JP2002333090A | ||||
| JP2012031985A | ||||
| JP3162992U | ||||
| JP2004176758A | ||||
| JP8216254A | ||||
| JP55115493U |
Foreign References:
| WO2016194736A1 | ||||
| US3756629 | ||||
| US4601495 | ||||
| US4163571 | ||||
| KR1020120038745A | ||||
| US4248460 |
Attorney, Agent or Firm:
Kibune Hero