DE69935800D1 - Rolle aus polyurethan mit hohem oberflächenwiederstand - Google Patents
Rolle aus polyurethan mit hohem oberflächenwiederstandInfo
- Publication number
- DE69935800D1 DE69935800D1 DE69935800T DE69935800T DE69935800D1 DE 69935800 D1 DE69935800 D1 DE 69935800D1 DE 69935800 T DE69935800 T DE 69935800T DE 69935800 T DE69935800 T DE 69935800T DE 69935800 D1 DE69935800 D1 DE 69935800D1
- Authority
- DE
- Germany
- Prior art keywords
- high surface
- surface resistance
- polyurethane roll
- polyurethane
- roll
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
- G03G15/0208—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus
- G03G15/0216—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus by bringing a charging member into contact with the member to be charged, e.g. roller, brush chargers
- G03G15/0233—Structure, details of the charging member, e.g. chemical composition, surface properties
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/02—Arrangements for laying down a uniform charge
- G03G2215/021—Arrangements for laying down a uniform charge by contact, friction or induction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
- Y10T428/1393—Multilayer [continuous layer]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31605—Next to free metal
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Dry Development In Electrophotography (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Polyurethanes Or Polyureas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US124695 | 1987-11-24 | ||
US09/124,695 US6042946A (en) | 1998-07-29 | 1998-07-29 | Polyurethane roller with high surface resistance |
PCT/US1999/017022 WO2000006344A1 (en) | 1998-07-29 | 1999-07-28 | Polyurethane roller with high surface resistance |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69935800D1 true DE69935800D1 (de) | 2007-05-24 |
DE69935800T2 DE69935800T2 (de) | 2007-12-27 |
Family
ID=22416314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1999635800 Expired - Fee Related DE69935800T2 (de) | 1998-07-29 | 1999-07-28 | Polyurethanwalze mit hohem Oberflächenwiderstand |
Country Status (8)
Country | Link |
---|---|
US (1) | US6042946A (de) |
EP (1) | EP1123178B1 (de) |
JP (1) | JP3554795B2 (de) |
KR (1) | KR20010103562A (de) |
CN (1) | CN1130290C (de) |
AU (1) | AU5235899A (de) |
DE (1) | DE69935800T2 (de) |
WO (1) | WO2000006344A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6352771B1 (en) * | 1999-02-24 | 2002-03-05 | Mearthane Products Corporation | Conductive urethane roller |
JP3371852B2 (ja) | 1999-07-09 | 2003-01-27 | 日本電気株式会社 | レチクル |
US6451438B1 (en) | 2000-11-30 | 2002-09-17 | Mearthane Products Corporation | Copolymerization of reactive silicone and urethane precursors for use in conductive, soft urethane rollers |
US7655311B2 (en) * | 2005-07-20 | 2010-02-02 | Lexmark International, Inc. | Homogeneous low hardness polyurethane |
US8448336B2 (en) * | 2008-07-03 | 2013-05-28 | Lexmark International, Inc. | Electrophotographic roller with resistance to nip banding |
US8171638B2 (en) * | 2008-12-22 | 2012-05-08 | Lexmark International, Inc. | Process for providing improved electrical properties on a roll for use in electrophotography |
US8222341B2 (en) | 2009-03-17 | 2012-07-17 | Mearthane Products Corporation | Semi-conductive silicone polymers |
CN101650543B (zh) * | 2009-09-23 | 2011-12-14 | 安徽省尚美精密机械科技有限公司 | 一种低电阻充电辊及其制造方法 |
JP4975184B2 (ja) * | 2010-11-11 | 2012-07-11 | キヤノン株式会社 | 帯電部材 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0720684A (ja) * | 1993-07-06 | 1995-01-24 | Fuji Xerox Co Ltd | 帯電用ロール |
US5707743A (en) * | 1996-04-09 | 1998-01-13 | Lexmark International, Inc. | Polyurethane roller with high surface resistance |
CN1204464C (zh) * | 1997-05-14 | 2005-06-01 | 莱克斯马克国际公司 | 用于静电复制术的环形显影滚筒 |
-
1998
- 1998-07-29 US US09/124,695 patent/US6042946A/en not_active Expired - Lifetime
-
1999
- 1999-07-28 JP JP2000562180A patent/JP3554795B2/ja not_active Expired - Fee Related
- 1999-07-28 EP EP99937548A patent/EP1123178B1/de not_active Expired - Lifetime
- 1999-07-28 DE DE1999635800 patent/DE69935800T2/de not_active Expired - Fee Related
- 1999-07-28 KR KR1020017001126A patent/KR20010103562A/ko not_active Application Discontinuation
- 1999-07-28 WO PCT/US1999/017022 patent/WO2000006344A1/en active IP Right Grant
- 1999-07-28 AU AU52358/99A patent/AU5235899A/en not_active Abandoned
- 1999-07-28 CN CN99809160A patent/CN1130290C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1123178A4 (de) | 2003-07-09 |
JP2002521725A (ja) | 2002-07-16 |
DE69935800T2 (de) | 2007-12-27 |
EP1123178A1 (de) | 2001-08-16 |
US6042946A (en) | 2000-03-28 |
CN1311727A (zh) | 2001-09-05 |
KR20010103562A (ko) | 2001-11-23 |
CN1130290C (zh) | 2003-12-10 |
AU5235899A (en) | 2000-02-21 |
WO2000006344A1 (en) | 2000-02-10 |
EP1123178B1 (de) | 2007-04-11 |
JP3554795B2 (ja) | 2004-08-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |