JPS5354845A - Opening and closing device for smoke preventing and fireproof door - Google Patents

Opening and closing device for smoke preventing and fireproof door

Info

Publication number
JPS5354845A
JPS5354845A JP12877876A JP12877876A JPS5354845A JP S5354845 A JPS5354845 A JP S5354845A JP 12877876 A JP12877876 A JP 12877876A JP 12877876 A JP12877876 A JP 12877876A JP S5354845 A JPS5354845 A JP S5354845A
Authority
JP
Japan
Prior art keywords
opening
closing device
fireproof door
smoke preventing
smoke
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
JP12877876A
Other languages
Japanese (ja)
Other versions
JPS57830B2 (en
Inventor
Tooru Watanabe
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.)
MITSUI KEIKINZOKU KAKO
Original Assignee
MITSUI KEIKINZOKU KAKO
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 MITSUI KEIKINZOKU KAKO filed Critical MITSUI KEIKINZOKU KAKO
Priority to JP12877876A priority Critical patent/JPS5354845A/en
Publication of JPS5354845A publication Critical patent/JPS5354845A/en
Publication of JPS57830B2 publication Critical patent/JPS57830B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
JP12877876A 1976-10-28 1976-10-28 Opening and closing device for smoke preventing and fireproof door Granted JPS5354845A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12877876A JPS5354845A (en) 1976-10-28 1976-10-28 Opening and closing device for smoke preventing and fireproof door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12877876A JPS5354845A (en) 1976-10-28 1976-10-28 Opening and closing device for smoke preventing and fireproof door

Publications (2)

Publication Number Publication Date
JPS5354845A true JPS5354845A (en) 1978-05-18
JPS57830B2 JPS57830B2 (en) 1982-01-08

Family

ID=14993222

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12877876A Granted JPS5354845A (en) 1976-10-28 1976-10-28 Opening and closing device for smoke preventing and fireproof door

Country Status (1)

Country Link
JP (1) JPS5354845A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01151012A (en) * 1987-12-09 1989-06-13 Canon Inc Magnetic recording and reproducing device
JPH0352809U (en) * 1989-09-22 1991-05-22

Also Published As

Publication number Publication date
JPS57830B2 (en) 1982-01-08

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