JPH0645494Y2 - 凍結防止装置 - Google Patents

凍結防止装置

Info

Publication number
JPH0645494Y2
JPH0645494Y2 JP1989033943U JP3394389U JPH0645494Y2 JP H0645494 Y2 JPH0645494 Y2 JP H0645494Y2 JP 1989033943 U JP1989033943 U JP 1989033943U JP 3394389 U JP3394389 U JP 3394389U JP H0645494 Y2 JPH0645494 Y2 JP H0645494Y2
Authority
JP
Japan
Prior art keywords
water
temperature
heater
pipe
freezing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP1989033943U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02124398U (enrdf_load_stackoverflow
Inventor
進基 野田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rinnai Corp
Original Assignee
Rinnai Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rinnai Corp filed Critical Rinnai Corp
Priority to JP1989033943U priority Critical patent/JPH0645494Y2/ja
Publication of JPH02124398U publication Critical patent/JPH02124398U/ja
Application granted granted Critical
Publication of JPH0645494Y2 publication Critical patent/JPH0645494Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Pipe Accessories (AREA)
JP1989033943U 1989-03-24 1989-03-24 凍結防止装置 Expired - Lifetime JPH0645494Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989033943U JPH0645494Y2 (ja) 1989-03-24 1989-03-24 凍結防止装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989033943U JPH0645494Y2 (ja) 1989-03-24 1989-03-24 凍結防止装置

Publications (2)

Publication Number Publication Date
JPH02124398U JPH02124398U (enrdf_load_stackoverflow) 1990-10-12
JPH0645494Y2 true JPH0645494Y2 (ja) 1994-11-24

Family

ID=31537986

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989033943U Expired - Lifetime JPH0645494Y2 (ja) 1989-03-24 1989-03-24 凍結防止装置

Country Status (1)

Country Link
JP (1) JPH0645494Y2 (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5516168A (en) * 1978-07-20 1980-02-04 Houjiyou Housai Method and device for preventing freezing of water by ultrasonic wave

Also Published As

Publication number Publication date
JPH02124398U (enrdf_load_stackoverflow) 1990-10-12

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