JPS6438987A - Heating roll - Google Patents

Heating roll

Info

Publication number
JPS6438987A
JPS6438987A JP19481987A JP19481987A JPS6438987A JP S6438987 A JPS6438987 A JP S6438987A JP 19481987 A JP19481987 A JP 19481987A JP 19481987 A JP19481987 A JP 19481987A JP S6438987 A JPS6438987 A JP S6438987A
Authority
JP
Japan
Prior art keywords
layer
semiconductor
resistance
temperature
body layer
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.)
Pending
Application number
JP19481987A
Other languages
Japanese (ja)
Inventor
Hisashi Hiraishi
Hiroshi Hayashi
Atsushi Sugai
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.)
Kubota Corp
Original Assignee
Kubota 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 Kubota Corp filed Critical Kubota Corp
Priority to JP19481987A priority Critical patent/JPS6438987A/en
Publication of JPS6438987A publication Critical patent/JPS6438987A/en
Pending legal-status Critical Current

Links

Landscapes

  • Fixing For Electrophotography (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Paper (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

PURPOSE:To uniform the temperature distribution on the surface and prevent the deterioration of a bearing part with a heat transmission restrained by forming a roll barrel with a ceramic cylindrical body and a resistance exothermicity body layer composed of a semiconductor, and providing a thermistor as well as insertingly fitting a hub member made of cermet to opening end parts via an insulation body layer. CONSTITUTION:A roll barrel part 10 is formed with a ceramic cylindrical body 11 and a resistance exothermicity body layer 12 composed of a semiconductor provided on the inner circumferential surface of the body 11, and a hub member 40 made of cermet is insertedly fitted to opening end parts of both sides of the part 10 via an insulation body layer 50. And a thermistor 20 having a positive temperature-resistance characteristic is provided to a lead wire 30, or a semiconductor forming the layer 12 is made to be a selfcontrol type semiconductor having the positive temperature- resistance characteristic. As a result, the body 11 is heated and its temperature risen from the inner circumferential surface side with the layer 12 to which electricity is supplied via the wire 30, and the approximately constant temperature of the body 11 is maintained and adjusted. And the escape of heat by heat transmission to outer parts from the part 10 can be constrained to an extremely small quantity.
JP19481987A 1987-08-04 1987-08-04 Heating roll Pending JPS6438987A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19481987A JPS6438987A (en) 1987-08-04 1987-08-04 Heating roll

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19481987A JPS6438987A (en) 1987-08-04 1987-08-04 Heating roll

Publications (1)

Publication Number Publication Date
JPS6438987A true JPS6438987A (en) 1989-02-09

Family

ID=16330782

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19481987A Pending JPS6438987A (en) 1987-08-04 1987-08-04 Heating roll

Country Status (1)

Country Link
JP (1) JPS6438987A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0905580A2 (en) * 1997-09-24 1999-03-31 Konica Corporation Fixing device with heat roller having heating resistor layer therein
WO2000008527A1 (en) * 1998-08-04 2000-02-17 Daiken Chemical Co., Ltd. Quick heat roller

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0905580A2 (en) * 1997-09-24 1999-03-31 Konica Corporation Fixing device with heat roller having heating resistor layer therein
EP0905580A3 (en) * 1997-09-24 1999-08-25 Konica Corporation Fixing device with heat roller having heating resistor layer therein
WO2000008527A1 (en) * 1998-08-04 2000-02-17 Daiken Chemical Co., Ltd. Quick heat roller
US6289198B1 (en) 1998-08-04 2001-09-11 Daiken Chemical Co., Ltd. Quick heat roller

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