JPS641532A - Multi-layered tubular body - Google Patents
Multi-layered tubular bodyInfo
- Publication number
- JPS641532A JPS641532A JP12068187A JP12068187A JPS641532A JP S641532 A JPS641532 A JP S641532A JP 12068187 A JP12068187 A JP 12068187A JP 12068187 A JP12068187 A JP 12068187A JP S641532 A JPS641532 A JP S641532A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- conductive
- tubular
- face
- polyimide
- 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
Links
Abstract
PURPOSE: To prevent adherence of dust and the like due to static electricity, by forming a conductive tubular layer whose main components are polyimide and a conductive substance at least on one face of a polyimide tubular layer.
CONSTITUTION: In this multi-layered tubular body, conductive tubular layers are formed on one face or both faces of a PI (polyimide) tubular layer. In case of forming the conductive layer on one face of the PI layer, the layer ca be formed either on the inner circumferential face or on the outer circumferential face. This conductive layer contains PI and a conductive substance as the main component and is a tubular layer whose volume resistivity is 1010Ω or less preferably below 108Ω. As the conductive substance, carbon, graphite, copper, silver, tin, antimony and the like can be used and they are preferably powder, whisker, flake, etc. Moreover, if desired, additives such as coloring agents, fillers can be therein added. The outer circumferential length and the total thickness (the sum of the thickness of the PI tubular layer and the thickness of the conductive tubular layer) can be adequately set in accordance with the use of the belt and usually about 50W1500mm and about 15W150μm respectively.
COPYRIGHT: (C)1989,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62-120681A JPH011532A (en) | 1987-02-25 | 1987-05-18 | multilayer tubular body |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4235687 | 1987-02-25 | ||
JP62-42356 | 1987-02-25 | ||
JP62-120681A JPH011532A (en) | 1987-02-25 | 1987-05-18 | multilayer tubular body |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS641532A true JPS641532A (en) | 1989-01-05 |
JPH011532A JPH011532A (en) | 1989-01-05 |
Family
ID=
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63311263A (en) * | 1987-06-12 | 1988-12-20 | Toray Ind Inc | Intermediate transfer body |
JPH0316233U (en) * | 1989-06-28 | 1991-02-19 | ||
JPH05345369A (en) * | 1992-06-16 | 1993-12-27 | Gunze Ltd | Heat-resistant seamless belt |
JP2002137317A (en) * | 2000-11-06 | 2002-05-14 | Gunze Ltd | Multilayered endless tubular polyimide film and method for manufacturing the same |
JP2003093182A (en) * | 2001-09-21 | 2003-04-02 | Kokuyo Co Ltd | Boards support device |
JP2006150951A (en) * | 2004-11-04 | 2006-06-15 | Ist:Kk | Transparent polyimide composite tubular body and its production method |
JP2008052243A (en) * | 2006-07-26 | 2008-03-06 | Ricoh Co Ltd | Base material for fixing belt, method for producing the same, fixing belt, fixing device and image forming apparatus |
JP2010264655A (en) * | 2009-05-14 | 2010-11-25 | Ube Ind Ltd | Multi-layer polyimide film |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63311263A (en) * | 1987-06-12 | 1988-12-20 | Toray Ind Inc | Intermediate transfer body |
JPH0316233U (en) * | 1989-06-28 | 1991-02-19 | ||
JPH05345369A (en) * | 1992-06-16 | 1993-12-27 | Gunze Ltd | Heat-resistant seamless belt |
JP2002137317A (en) * | 2000-11-06 | 2002-05-14 | Gunze Ltd | Multilayered endless tubular polyimide film and method for manufacturing the same |
JP2003093182A (en) * | 2001-09-21 | 2003-04-02 | Kokuyo Co Ltd | Boards support device |
JP2006150951A (en) * | 2004-11-04 | 2006-06-15 | Ist:Kk | Transparent polyimide composite tubular body and its production method |
JP2008052243A (en) * | 2006-07-26 | 2008-03-06 | Ricoh Co Ltd | Base material for fixing belt, method for producing the same, fixing belt, fixing device and image forming apparatus |
US8541089B2 (en) | 2006-07-26 | 2013-09-24 | Ricoh Company, Ltd. | Fixing belt, base element for fixing belt, fixing device, image forming apparatus and method for producing base element |
JP2010264655A (en) * | 2009-05-14 | 2010-11-25 | Ube Ind Ltd | Multi-layer polyimide film |
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