Title:
FREEZING PREVENTIVE DISTRIBUTING WATER PIPE AND FLANGE JOINT
Document Type and Number:
Japanese Patent JP2018003973
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a freezing preventive distributing water pipe showing superior cut-off performance and capable of positively preventing water leakage.SOLUTION: A freezing preventive distributing water pipe 1a comprises a pipe 10 including two resin pipes 11a, 11b spaced apart to each other and a joint 12 connecting two resin pipes 11a, 11b; a heat insulation material 20 covering the pipe 10; two resin outer pipes 31a, 31b arranged at an outer circumference of the heat insulation material 20 while being spaced apart with the joint 12 being held; and a heat melting and fixing resin sheet 32 wound in a cylindrical manner to cover the heat insulation material 20 positioned between the two resin outer pipes 31a, 31b over the two resin outer pipes 31a, 31b. The heat melting and fixing resin sheet 32 stores heaters molten and adhered to the two resin outer pipes 31a, 31b.SELECTED DRAWING: Figure 1
Inventors:
NAKAI TAKETO
Application Number:
JP2016132168A
Publication Date:
January 11, 2018
Filing Date:
July 04, 2016
Export Citation:
Assignee:
FURUKAWA ELECTRIC CO LTD
International Classes:
F16L53/30; E03B7/12; F16L11/12; F16L23/024; F16L47/02; F16L47/14; F16L59/147
Domestic Patent References:
| JP2013019506A | 2013-01-31 | |||
| JP2002310371A | 2002-10-23 | |||
| JP2002235877A | 2002-08-23 | |||
| JPS58203288A | 1983-11-26 | |||
| JPS51124167A | 1976-10-29 |
Foreign References:
| EP1087171A1 | 2001-03-28 |
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima
Kiyoshi Kuruma
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima
Kiyoshi Kuruma
Previous Patent: A pressure discharge valve for high pressure gas
Next Patent: A nut and a specialized tool
Next Patent: A nut and a specialized tool