Title:
A two layers of fire-resistant pipe, and a manufacturing method for the same
Document Type and Number:
Japanese Patent JP6063663
Kind Code:
B2
Inventors:
Takafumi Sekiguchi
Furukawa Masayasu
Furukawa Masayasu
Application Number:
JP2012165520A
Publication Date:
January 18, 2017
Filing Date:
July 26, 2012
Export Citation:
Assignee:
Showa Denko Building Materials Co., Ltd.
International Classes:
F16L9/14; F16L58/06
Domestic Patent References:
| JP2011021617A | ||||
| JP2001074191A | ||||
| JP2004270852A | ||||
| JP2013160268A | ||||
| JP2012180893A |
Attorney, Agent or Firm:
Yoshihito Shimizu
Hisayoshi Shimizu
Hisayoshi Shimizu