JPS6419798A - Shutter device for electromagnetically shield room - Google Patents

Shutter device for electromagnetically shield room

Info

Publication number
JPS6419798A
JPS6419798A JP17613087A JP17613087A JPS6419798A JP S6419798 A JPS6419798 A JP S6419798A JP 17613087 A JP17613087 A JP 17613087A JP 17613087 A JP17613087 A JP 17613087A JP S6419798 A JPS6419798 A JP S6419798A
Authority
JP
Japan
Prior art keywords
shielding
doorway
fixed frame
shut
movable frame
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
JP17613087A
Other languages
Japanese (ja)
Other versions
JPH0646678B2 (en
Inventor
Masashi Ikeda
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.)
Takenaka Komuten Co Ltd
Original Assignee
Takenaka Komuten Co Ltd
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 Takenaka Komuten Co Ltd filed Critical Takenaka Komuten Co Ltd
Priority to JP17613087A priority Critical patent/JPH0646678B2/en
Publication of JPS6419798A publication Critical patent/JPS6419798A/en
Publication of JPH0646678B2 publication Critical patent/JPH0646678B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

PURPOSE:To shield a room from an electromagnetic wave and automate a means to carry equipments and materials out and in the room, shielding a doorway of the shielded room from an electromagnetic wave by a method wherein a doorway is automatically opened and shut with an electromagnetically shielding material which moves up and down by an up-and-down device and a peripheral end of the electrically shielding material is made to bear against a fixed frame by a movable frame. CONSTITUTION:A shutter open-and-shut device 19, which opens and shuts automatically, pulls up and down a shielding screen 17 so as to open and shut a doorway 3 when equipments and materials are carried out and in. A floor of the doorway is flat and provided with only a slot in which a shielding screen 17 is fitted. When the shielding screen 17 descends between a fixed frame 5 and a movable frame 29 so as to shut the doorway 3, a jack 35 is remotely controlled to transfer a supporting arm 27 in a direction of an arrow A, making the movable frame 29 bear against the fixed frame 5, so that a peripheral end of the shielding serene 17 is held between the movable frame 29 and the fixed frame 5, and the fixed frame 5 is electrically combined with the shielding screen 17 into one piece.
JP17613087A 1987-07-15 1987-07-15 Shutter device for electromagnetic wave shield Expired - Lifetime JPH0646678B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17613087A JPH0646678B2 (en) 1987-07-15 1987-07-15 Shutter device for electromagnetic wave shield

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17613087A JPH0646678B2 (en) 1987-07-15 1987-07-15 Shutter device for electromagnetic wave shield

Publications (2)

Publication Number Publication Date
JPS6419798A true JPS6419798A (en) 1989-01-23
JPH0646678B2 JPH0646678B2 (en) 1994-06-15

Family

ID=16008185

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17613087A Expired - Lifetime JPH0646678B2 (en) 1987-07-15 1987-07-15 Shutter device for electromagnetic wave shield

Country Status (1)

Country Link
JP (1) JPH0646678B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0445657A2 (en) * 1990-03-08 1991-09-11 Fujitsu Limited Apparatus for eliminating trapping of magnetic flux from an object
JP2002155675A (en) * 2000-11-21 2002-05-31 Maeda Corp Electromagnetic shield mechanism of shutter
JP2007111207A (en) * 2005-10-19 2007-05-10 Taisei Corp Apparatus for forming fire limit area using heat-shielding sheet
JP2007201105A (en) * 2006-01-25 2007-08-09 Tokimec Inc Electromagnetic wave shield shutter
JP2007208214A (en) * 2006-02-06 2007-08-16 Hitachi Medical Corp Electromagnetic wave shielding device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0445657A2 (en) * 1990-03-08 1991-09-11 Fujitsu Limited Apparatus for eliminating trapping of magnetic flux from an object
US5164696A (en) * 1990-03-08 1992-11-17 Fujitsu Limited Apparatus for eliminating trapping of magnetic flux from an object
JP2002155675A (en) * 2000-11-21 2002-05-31 Maeda Corp Electromagnetic shield mechanism of shutter
JP2007111207A (en) * 2005-10-19 2007-05-10 Taisei Corp Apparatus for forming fire limit area using heat-shielding sheet
JP2007201105A (en) * 2006-01-25 2007-08-09 Tokimec Inc Electromagnetic wave shield shutter
JP2007208214A (en) * 2006-02-06 2007-08-16 Hitachi Medical Corp Electromagnetic wave shielding device

Also Published As

Publication number Publication date
JPH0646678B2 (en) 1994-06-15

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