Title:
【発明の名称】電気融着継手および管の接続方法
Document Type and Number:
Japanese Patent JP3053424
Kind Code:
B2
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Inventors:
Hiroyuki Nishimura
Masaru Tsunasaki
Masami Suyama
Masaru Tsunasaki
Masami Suyama
Application Number:
JP29466890A
Publication Date:
June 19, 2000
Filing Date:
October 30, 1990
Export Citation:
Assignee:
OSAKA GAS CO.,LTD.
International Classes:
F16L47/02; B29C65/34; B29C65/36; (IPC1-7): B29C65/36; F16L47/02
Domestic Patent References:
| JP63295986A |
Other References:
【文献】米国特許4947012(US,A)
Attorney, Agent or Firm:
Keiichiro Saikyo