JPS5273535A - Door closing device for fireproof door - Google Patents

Door closing device for fireproof door

Info

Publication number
JPS5273535A
JPS5273535A JP14895075A JP14895075A JPS5273535A JP S5273535 A JPS5273535 A JP S5273535A JP 14895075 A JP14895075 A JP 14895075A JP 14895075 A JP14895075 A JP 14895075A JP S5273535 A JPS5273535 A JP S5273535A
Authority
JP
Japan
Prior art keywords
door
closing device
fireproof
door closing
fireproof door
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.)
Granted
Application number
JP14895075A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5611833B2 (enrdf_load_stackoverflow
Inventor
Mitsuharu Toda
Riyouji Asaki
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.)
Showa Rotsuku KK
Original Assignee
Showa Rotsuku KK
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 Showa Rotsuku KK filed Critical Showa Rotsuku KK
Priority to JP14895075A priority Critical patent/JPS5273535A/ja
Publication of JPS5273535A publication Critical patent/JPS5273535A/ja
Publication of JPS5611833B2 publication Critical patent/JPS5611833B2/ja
Granted legal-status Critical Current

Links

JP14895075A 1975-12-12 1975-12-12 Door closing device for fireproof door Granted JPS5273535A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14895075A JPS5273535A (en) 1975-12-12 1975-12-12 Door closing device for fireproof door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14895075A JPS5273535A (en) 1975-12-12 1975-12-12 Door closing device for fireproof door

Publications (2)

Publication Number Publication Date
JPS5273535A true JPS5273535A (en) 1977-06-20
JPS5611833B2 JPS5611833B2 (enrdf_load_stackoverflow) 1981-03-17

Family

ID=15464271

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14895075A Granted JPS5273535A (en) 1975-12-12 1975-12-12 Door closing device for fireproof door

Country Status (1)

Country Link
JP (1) JPS5273535A (enrdf_load_stackoverflow)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4315171Y1 (enrdf_load_stackoverflow) * 1965-04-27 1968-06-25
JPS4837293U (enrdf_load_stackoverflow) * 1971-09-04 1973-05-07
JPS4939251A (enrdf_load_stackoverflow) * 1972-08-23 1974-04-12
JPS49128055U (enrdf_load_stackoverflow) * 1973-02-20 1974-11-01
JPS5149394U (enrdf_load_stackoverflow) * 1974-06-18 1976-04-14

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4315171Y1 (enrdf_load_stackoverflow) * 1965-04-27 1968-06-25
JPS4837293U (enrdf_load_stackoverflow) * 1971-09-04 1973-05-07
JPS4939251A (enrdf_load_stackoverflow) * 1972-08-23 1974-04-12
JPS49128055U (enrdf_load_stackoverflow) * 1973-02-20 1974-11-01
JPS5149394U (enrdf_load_stackoverflow) * 1974-06-18 1976-04-14

Also Published As

Publication number Publication date
JPS5611833B2 (enrdf_load_stackoverflow) 1981-03-17

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