Title:
ANT NEST CORROSION-RESISTANT COPPER PIPE
Document Type and Number:
WIPO Patent Application WO/2019/031191
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a copper pipe, which is capable of exhibiting higher corrosion resistance to ant nest corrosion over long periods, can be used suitably as heat transfer pipes, coolant piping, etc. in air conditioning equipment and refrigeration equipment and has excellent anti-corrosion properties, and to advantageously improve the service life of equipment configured using said copper pipe. The present invention uses a copper pipe made from a Cu alloy containing P (phosphorus) in a proportion of 0.15-0.50 mass% and containing elemental Ti (titanium) and/or Sb (antimony) in a total amount of 0.01-3.0 mass%.
Inventors:
KANAMORI KOJI (JP)
KYO YOSHIHIKO (JP)
KUMAGAI MASAKI (JP)
TAMAGAWA HIROKAZU (JP)
KYO YOSHIHIKO (JP)
KUMAGAI MASAKI (JP)
TAMAGAWA HIROKAZU (JP)
Application Number:
PCT/JP2018/027155
Publication Date:
February 14, 2019
Filing Date:
July 19, 2018
Export Citation:
Assignee:
UACJ CORP (JP)
UACJ COPPER TUBE CORP (JP)
UACJ COPPER TUBE CORP (JP)
International Classes:
C22C9/00; C22C9/01; C22C9/02; C22C9/04; C22C9/06
Domestic Patent References:
| WO2014148127A1 | 2014-09-25 | |||
| WO2018025451A1 | 2018-02-08 | |||
| WO2018061271A1 | 2018-04-05 |
Foreign References:
| JP2008304170A | 2008-12-18 | |||
| JP2001247923A | 2001-09-14 |
Attorney, Agent or Firm:
NAKASHIMA, Michio et al. (JP)
Download PDF:
Previous Patent: COMMUNICATION DEVICE, COMMUNICATION CONTROL METHOD AND COMPUTER PROGRAM
Next Patent: VEHICLE AIR-CONDITIONING DEVICE
Next Patent: VEHICLE AIR-CONDITIONING DEVICE