JP2005227754A5 - - Google Patents

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Publication number
JP2005227754A5
JP2005227754A5 JP2005000700A JP2005000700A JP2005227754A5 JP 2005227754 A5 JP2005227754 A5 JP 2005227754A5 JP 2005000700 A JP2005000700 A JP 2005000700A JP 2005000700 A JP2005000700 A JP 2005000700A JP 2005227754 A5 JP2005227754 A5 JP 2005227754A5
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Japan
Prior art keywords
core
core metal
coating
metal
extruder
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JP2005000700A
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Japanese (ja)
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JP4731914B2 (en
JP2005227754A (en
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Priority to JP2005000700A priority Critical patent/JP4731914B2/en
Priority claimed from JP2005000700A external-priority patent/JP4731914B2/en
Publication of JP2005227754A publication Critical patent/JP2005227754A/en
Publication of JP2005227754A5 publication Critical patent/JP2005227754A5/ja
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Publication of JP4731914B2 publication Critical patent/JP4731914B2/en
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Claims (4)

芯金の周囲に導電性弾性層を具備している導電性ローラの製造方法であって、
所定の長さの芯金を、該導電性弾性層の原料組成物の押出し機に接続されたクロスヘッドに連続的に供給して、該クロスヘッドを通過させると共に該芯金の周囲に該原料組成物の被膜を形成し、次いで該クロスヘッドを通過した該芯金の周囲を被覆している該被膜を所定の長さに切断する工程を有し、
前記工程が、該芯金の下端面を支持部材で支持しつつ、該芯金を鉛直下方に進行させる工程を含むことを特徴とする導電性ローラの製造方法。 A method for producing a conductive roller having a conductive elastic layer around a core metal,
A core metal having a predetermined length is continuously supplied to a crosshead connected to an extruder for the raw material composition of the conductive elastic layer, and the crossbar is passed through the raw material around the core metal. Forming a coating of the composition, and then cutting the coating covering the periphery of the core bar that has passed through the crosshead to a predetermined length;
The said process includes the process of advancing this core metal vertically downward, supporting the lower end surface of this metal core with a supporting member, The manufacturing method of the conductive roller characterized by the above-mentioned. 前記工程が、該被膜の切断のときを除き、該芯金の下端面を支持部材で支持しつつ該芯金を鉛直下方に進行させる工程を含む請求項１記載の導電性ローラの製造方法。 The step except when the cutting of the coating film, method for producing a conductive roller of the step of advancing the core metal vertically downward while supporting the lower end surface of the core metal by the support member including claim 1, wherein . 芯金の周囲に導電性弾性層を具備している導電性ローラの製造装置であって、
該導電性弾性層の原料組成物の押出し機と、
該押出し機に接続され、芯金を通過させることにより該芯金の周囲に該原料組成物の被膜を形成せしめるクロスヘッドと、を具備し、
該押出し機及び該クロスヘッドは、該芯金が鉛直下方に進行しつつ該被覆がその周囲に形成されるように配置されており、
更に、該芯金の下端面を支持する支持部材を備え、該支持部材は、該芯金の鉛直下方への進行に応じて移動可能に構成されていることを特徴とする導電性ローラの製造装置。 An apparatus for producing a conductive roller having a conductive elastic layer around a core metal,
An extruder for the raw material composition of the conductive elastic layer;
A crosshead that is connected to the extruder and that allows a cored bar to pass therethrough to form a coating of the raw material composition around the cored bar,
The extruder and the cross head are arranged such that the coating is formed around the core while the core bar is moving vertically downward .
Furthermore, a support member that supports the lower end surface of the cored bar is provided, and the support member is configured to be movable in accordance with the progress of the cored bar vertically downward. apparatus. 該支持部材は、該芯金の進行方向と直交する面内を移動可能に構成されている請求項３に記載の導電性ローラの製造装置。 The support member manufacturing apparatus of the conductive roller according to claim 3 which is movable in a plane perpendicular to the traveling direction of the metal core.
JP2005000700A 2004-01-13 2005-01-05 Conductive roller manufacturing method and conductive roller manufacturing apparatus Active JP4731914B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005000700A JP4731914B2 (en) 2004-01-13 2005-01-05 Conductive roller manufacturing method and conductive roller manufacturing apparatus

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004005060 2004-01-13
JP2004005060 2004-01-13
JP2005000700A JP4731914B2 (en) 2004-01-13 2005-01-05 Conductive roller manufacturing method and conductive roller manufacturing apparatus

Publications (3)

Publication Number Publication Date
JP2005227754A JP2005227754A (en) 2005-08-25
JP2005227754A5 true JP2005227754A5 (en) 2008-01-31
JP4731914B2 JP4731914B2 (en) 2011-07-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005000700A Active JP4731914B2 (en) 2004-01-13 2005-01-05 Conductive roller manufacturing method and conductive roller manufacturing apparatus

Country Status (1)

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JP (1) JP4731914B2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5675410B2 (en) * 2011-02-10 2015-02-25 キヤノン株式会社 Manufacturing method of conductive elastic roller
JP5863429B2 (en) * 2011-12-06 2016-02-16 キヤノン株式会社 Method for producing elastic roller
JP6019656B2 (en) * 2012-03-26 2016-11-02 富士ゼロックス株式会社 Manufacturing method of charging roll
JP6056705B2 (en) 2013-08-14 2017-01-11 富士ゼロックス株式会社 Charging roll, charging device, process cartridge, image forming apparatus, and manufacturing method of charging roll
JP6137057B2 (en) 2014-06-06 2017-05-31 富士ゼロックス株式会社 Charging roll, charging device, process cartridge, image forming apparatus, and manufacturing method of charging roll
KR102214810B1 (en) * 2018-10-17 2021-02-09 최경미 Method for manufacturing pickup roller

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07329140A (en) * 1994-06-06 1995-12-19 Chisso Corp Vertical coating apparatus
JPH11123753A (en) * 1997-10-23 1999-05-11 Canon Chemicals Inc Manufacture of coating tube for charging member
JP3118639B1 (en) * 1999-07-22 2000-12-18 株式会社三葉製作所 Rubber roll manufacturing equipment
JP2001310362A (en) * 2000-04-27 2001-11-06 Sumitomo Rubber Ind Ltd Method for manufacturing rubber roller, and rubber roller
JP2003300239A (en) * 2002-04-09 2003-10-21 Bando Chem Ind Ltd Method for producing rubber roller
JP2004354783A (en) * 2003-05-29 2004-12-16 Suzuka Fuji Xerox Co Ltd Method of manufacturing electrophotographic fixing member, and electrophotographic fixing member

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