JPS6472184A - Heat roller for fixation - Google Patents

Heat roller for fixation

Info

Publication number
JPS6472184A
JPS6472184A JP22876687A JP22876687A JPS6472184A JP S6472184 A JPS6472184 A JP S6472184A JP 22876687 A JP22876687 A JP 22876687A JP 22876687 A JP22876687 A JP 22876687A JP S6472184 A JPS6472184 A JP S6472184A
Authority
JP
Japan
Prior art keywords
main body
roller main
heat
roller
radiating means
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
JP22876687A
Other languages
Japanese (ja)
Inventor
Norihisa Nishimura
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP22876687A priority Critical patent/JPS6472184A/en
Publication of JPS6472184A publication Critical patent/JPS6472184A/en
Pending legal-status Critical Current

Links

Landscapes

  • Fixing For Electrophotography (AREA)

Abstract

PURPOSE:To reduce the cost, to simplify the assembly, and to improve the follow-up performance of fixing operation by providing a coupler to one end of a roller main body additionally and adding a heat radiating means made of shape memory alloy to the other end. CONSTITUTION:This heat roller consists of one heater lamp 3 which is arranged in the hollow part of a cylindrical roller main body 2 and heats the drum surface of the roller main body 2, the coupler 4 which is added to one end of the roller main body 2 and enables the roller main body 2 to receive rotary driving force, and the heat radiating means 5 which are planted and provided plural chips made of shape memory alloy on the other end of the roller main body 2 with closely contacted and bind state and changes its shape into a separate open leg state with heat emitted by the lamp 3 and radiates the heat of the other end of the roller main body 2. Namely, the quantity of the heat from the heat radiating means 5 becomes large by increasing the heat radiation area by the deformation of the heat radiating means 5 into a stored shape as the roller main body 2 is heated more and one end side and the other end side of the roller main body 2 are put in nearly the same temperature states. Consequently, the heat roller 1 for fixation is obtained which is low in cost and easily assembled and has the good follow-up performance of the fixing operation.
JP22876687A 1987-09-11 1987-09-11 Heat roller for fixation Pending JPS6472184A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22876687A JPS6472184A (en) 1987-09-11 1987-09-11 Heat roller for fixation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22876687A JPS6472184A (en) 1987-09-11 1987-09-11 Heat roller for fixation

Publications (1)

Publication Number Publication Date
JPS6472184A true JPS6472184A (en) 1989-03-17

Family

ID=16881503

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22876687A Pending JPS6472184A (en) 1987-09-11 1987-09-11 Heat roller for fixation

Country Status (1)

Country Link
JP (1) JPS6472184A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5195059A (en) * 1991-03-27 1993-03-16 Tokyo Gas Co., Ltd. Acoustic pipe length measuring apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5195059A (en) * 1991-03-27 1993-03-16 Tokyo Gas Co., Ltd. Acoustic pipe length measuring apparatus

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