JPS5491337A - Heating roll - Google Patents

Heating roll

Info

Publication number
JPS5491337A
JPS5491337A JP15904877A JP15904877A JPS5491337A JP S5491337 A JPS5491337 A JP S5491337A JP 15904877 A JP15904877 A JP 15904877A JP 15904877 A JP15904877 A JP 15904877A JP S5491337 A JPS5491337 A JP S5491337A
Authority
JP
Japan
Prior art keywords
liquid
container
end plates
boiling point
heat transfer
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
JP15904877A
Other languages
Japanese (ja)
Inventor
Ryoichi Namiki
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP15904877A priority Critical patent/JPS5491337A/en
Publication of JPS5491337A publication Critical patent/JPS5491337A/en
Pending legal-status Critical Current

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  • Fixing For Electrophotography (AREA)

Abstract

PURPOSE: To improve safety and heat transfer efficiency and to facilitate production by filling a container with a preset quantity of a heating agent liquid and by heating the container at a temperature lower than the boiling point of the liquid.
CONSTITUTION: A container 10 to be used as a roll body is composed of a circumferential wall 10a, which is made of a refractory material having excellent thermal conductivity and which has its outer circumference subjected to an offset preventing treatment, and two end plates 10b and 10c which are formed at the both ends. Cylinders 11 and 12 are fixed to the centers of the respective end plates so that a heat pipe roll can be rotatably supported. On the other hand, one of the end plates 10b is formed at is suitable position with a threaded hole 13, into which a bolt 14 is fastened so that the heating agent liquid can be confined after it is injected. The other end plate 10c is formed with an exhaust port 15a, through which such an exhaust member 15 can be forced thereinto as is made of a material which can be dissolved at a slightly lower temperature than the boiling point of the liquid. As a result, the abnormal high internal pressure, if any, can be relieved to the outside. Thus, only the liquid can be used to enhance the safety and the heat transfer efficiency.
COPYRIGHT: (C)1979,JPO&Japio
JP15904877A 1977-12-28 1977-12-28 Heating roll Pending JPS5491337A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15904877A JPS5491337A (en) 1977-12-28 1977-12-28 Heating roll

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15904877A JPS5491337A (en) 1977-12-28 1977-12-28 Heating roll

Publications (1)

Publication Number Publication Date
JPS5491337A true JPS5491337A (en) 1979-07-19

Family

ID=15685082

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15904877A Pending JPS5491337A (en) 1977-12-28 1977-12-28 Heating roll

Country Status (1)

Country Link
JP (1) JPS5491337A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5823353U (en) * 1981-08-06 1983-02-14 昭和アルミニウム株式会社 Heat fixing roll in dry copying machine
JPS5823352U (en) * 1981-08-06 1983-02-14 昭和アルミニウム株式会社 Heat fixing roll in dry copying machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5823353U (en) * 1981-08-06 1983-02-14 昭和アルミニウム株式会社 Heat fixing roll in dry copying machine
JPS5823352U (en) * 1981-08-06 1983-02-14 昭和アルミニウム株式会社 Heat fixing roll in dry copying machine
JPH0116107Y2 (en) * 1981-08-06 1989-05-12

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