JPH0444076A - Heating device - Google Patents

Heating device

Info

Publication number
JPH0444076A
JPH0444076A JP15360390A JP15360390A JPH0444076A JP H0444076 A JPH0444076 A JP H0444076A JP 15360390 A JP15360390 A JP 15360390A JP 15360390 A JP15360390 A JP 15360390A JP H0444076 A JPH0444076 A JP H0444076A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
film
part
wrinkling
crown shape
roller
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.)
Granted
Application number
JP15360390A
Other versions
JP2917424B2 (en )
Inventor
Akira Kuroda
Takeshi Setoriyama
Original Assignee
Canon Inc
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

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00Apparatus for electrophotographic processes
    • G03G2215/20Details of the fixing device or porcess
    • G03G2215/2003Structural features of the fixing device
    • G03G2215/2058Shape of roller along rotational axis
    • G03G2215/2061Shape of roller along rotational axis concave

Abstract

PURPOSE: To prevent a film from wrinkling owing to the displacement of a film part on a film end part side to the center part of the film by forming a pressure roller substantially in an inverted crown shape.
CONSTITUTION: The film 21 is sandwiched with a heating body 19 to form a nip part N and the pressure roller 10 as a rotary body for driving the film is so shaped that the roller is not in a straight shape, but in the inverted crown shape in the length direction or substantially in the inverted crown shape having end parts cut 12a. Thus, the pressure roller 10 is formed in the inverted crown shape, so that the distribution of pressure applied to the film 21 by the roller at the nip part N with the heating body 19 is larger at the width-directional end parts of the film then at the center part. Forces from the center part to both end sides operate on the film 21, which is conveyed while unwrinkled. Consequently, the film is prevented from wrinkling and the wrinkling of a recording material sheet P can be prevented.
COPYRIGHT: (C)1992,JPO&Japio
JP15360390A 1990-06-11 1990-06-11 Image heating apparatus Expired - Fee Related JP2917424B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15360390A JP2917424B2 (en) 1990-06-11 1990-06-11 Image heating apparatus

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP15360390A JP2917424B2 (en) 1990-06-11 1990-06-11 Image heating apparatus
EP19910109514 EP0461596B1 (en) 1990-06-11 1991-06-10 Heating apparatus using endless film
DE1991627508 DE69127508D1 (en) 1990-06-11 1991-06-10 Heater with endless film
DE1991627508 DE69127508T2 (en) 1990-06-11 1991-06-10 Heater with endless film
US07825789 US5148226A (en) 1990-06-11 1992-01-21 Heating apparatus using endless film

Publications (2)

Publication Number Publication Date
JPH0444076A true true JPH0444076A (en) 1992-02-13
JP2917424B2 JP2917424B2 (en) 1999-07-12

Family

ID=15566096

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15360390A Expired - Fee Related JP2917424B2 (en) 1990-06-11 1990-06-11 Image heating apparatus

Country Status (1)

Country Link
JP (1) JP2917424B2 (en)

Cited By (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5365322A (en) * 1992-12-02 1994-11-15 Canon Kabushiki Kaisha Image forming apparatus which detects a jam of a wound sheet
US5532806A (en) * 1993-04-28 1996-07-02 Canon Kabushiki Kaisha Image fixing apparatus having means for preventing temperature unevenness
US5535012A (en) * 1993-07-31 1996-07-09 Canon Kabushiki Kaisha Information transmit/receive apparatus onto which a sorter can be mounted via an adapter
US5580045A (en) * 1993-07-31 1996-12-03 Canon Kabushiki Kaisha Image communication apparatus having storage unit for storing recorded sheet
US5682576A (en) * 1994-06-07 1997-10-28 Canon Kabushiki Kaisha Fixing device
US5722026A (en) * 1995-08-31 1998-02-24 Canon Kabushiki Kaisha Pressing rotator and heating-fixing apparatus using the same
US5724637A (en) * 1995-09-08 1998-03-03 Canon Kabushiki Kaisha Fixing roller having low resistance layer and fixing apparatus using same
US5801359A (en) * 1994-07-08 1998-09-01 Canon Kabushiki Kaisha Temperature control that defects voltage drop across excitation coil in image heating apparatus
US5819149A (en) * 1995-11-01 1998-10-06 Canon Kabushiki Kaisha Image forming apparatus preventing change of size of image
US5828035A (en) * 1995-07-28 1998-10-27 Cannon Kabushiki Kaisha Web-type heating apparatus with movably supported heater
US5860052A (en) * 1995-07-28 1999-01-12 Canon Kabushiki Kaisha Image heating apparatus
US5860051A (en) * 1995-05-22 1999-01-12 Canon Kabushiki Kaisha Belt-type fixing apparatus with pressure roller
US6002106A (en) * 1996-12-24 1999-12-14 Canon Kabushiki Kaisha Fixing device
US6115563A (en) * 1997-11-07 2000-09-05 Canon Kabushiki Kaisha Image fixing apparatus
US6175699B1 (en) 1998-05-29 2001-01-16 Canon Kabushiki Kaisha Image fixing device with heater control
US6185383B1 (en) 1999-02-26 2001-02-06 Canon Kabushiki Kaisha Image heating apparatus
US6246491B1 (en) 1993-07-31 2001-06-12 Canon Kabushiki Kaisha Image communication apparatus having multiple storage units and control based on detected page number
US6336009B1 (en) 1998-11-30 2002-01-01 Canon Kabushiki Kaisha Image heating apparatus and heater for heating image
US6337928B1 (en) 1996-08-26 2002-01-08 Canon Kabushiki Kaisha Image transmission apparatus and method therefor
US6377777B1 (en) 1999-02-19 2002-04-23 Canon Kabushiki Kaisha Fluorine-containing resin-coated pressure roller and heat-fixing device
US6440347B1 (en) 1998-11-30 2002-08-27 Canon Kabushiki Kaisha Method of manufacturing roller for fixing covered with tube
US6459878B1 (en) 1999-09-30 2002-10-01 Canon Kabushiki Kaisha Heating assembly, image-forming apparatus, and process for producing silicone rubber sponge and roller
US6469279B1 (en) 1996-03-07 2002-10-22 Canon Kabushiki Kaisha Image heating apparatus and heater
US6516166B2 (en) 2000-09-28 2003-02-04 Canon Kabushiki Kaisha Image fixing apparatus
US6519426B2 (en) 2000-05-17 2003-02-11 Canon Kabushiki Kaisha Image heating apparatus and image forming apparatus having the image heating apparatus
US6545255B2 (en) 2000-05-10 2003-04-08 Canon Kabushiki Kaisha Induction heating apparatus for heating image formed on recording material
US6594456B2 (en) 2000-07-26 2003-07-15 Canon Kabushiki Kaisha Image forming apparatus
US6628906B2 (en) 2000-11-08 2003-09-30 Canon Kabushiki Kaisha Image forming apparatus with temperature based control
US6701102B2 (en) 2000-12-01 2004-03-02 Canon Kabushiki Kaisha Method and apparatus for controlling the temperature in a fixing device of an image forming apparatus
US6763203B2 (en) 2001-02-28 2004-07-13 Canon Kabushiki Kaisha Image forming apparatus having transfer bias control function
US6862416B2 (en) 2002-06-11 2005-03-01 Canon Kabushiki Kaisha Image heating apparatus and image forming apparatus
US6915099B2 (en) 2002-08-28 2005-07-05 Canon Kabushiki Kaisha Heat fixing apparatus
JP2005181989A (en) * 2003-11-27 2005-07-07 Canon Inc Image heating apparatus
US6952538B2 (en) 2002-08-23 2005-10-04 Canon Kabushiki Kaisha Image forming apparatus with heater having bias applying portion setting bias based on sheet width
US6952553B2 (en) 2002-08-19 2005-10-04 Canon Kabushiki Kaisha Image heating apparatus and pressure roller used for the apparatus
US6954608B2 (en) 2001-10-15 2005-10-11 Canon Kabushiki Kaisha Heating device and image forming apparatus
US6963718B2 (en) 2001-10-12 2005-11-08 Canon Kabushiki Kaisha Heating apparatus and image forming apparatus
US6993279B2 (en) 2003-03-18 2006-01-31 Canon Kabushiki Kaisha Image heating apparatus having a flexible sleeve
US7015431B2 (en) 2002-06-13 2006-03-21 Canon Kabushiki Kaisha Image forming apparatus with at least two alternately-controlled electric heating elements
US7076183B2 (en) 2003-01-21 2006-07-11 Canon Kabushiki Kaisha Image fusing device and image forming apparatus
US7199335B2 (en) 2004-05-07 2007-04-03 Canon Kabushiki Kaisha Heat fusing apparatus, method of controlling same and image forming apparatus
US7266314B2 (en) 2004-07-29 2007-09-04 Canon Kabushiki Kaisha Image forming apparatus and fixing device used therein
US7310486B2 (en) 2004-10-29 2007-12-18 Canon Kabushiki Kaisha Power supply apparatus and heating apparatus and image forming apparatus
US7421219B2 (en) 2005-09-13 2008-09-02 Canon Kabushiki Kaisha Image forming apparatus
US7433625B2 (en) 2005-09-13 2008-10-07 Canon Kabushiki Kaisha Image heating apparatus
US7437086B2 (en) 2004-12-10 2008-10-14 Canon Kabushiki Kaisha Image forming apparatus with change unit for changing temperature of fixing unit at time of actuating image forming unit
US7471919B2 (en) 2005-02-18 2008-12-30 Canon Kabushiki Kaisha Image forming apparatus with first and second motors
US7518089B2 (en) 2004-09-16 2009-04-14 Canon Kabushiki Kaisha Image heating apparatus including flexible metallic sleeve, and heater used for this apparatus
US7536145B2 (en) 2005-09-13 2009-05-19 Canon Kabushiki Kaisha Image heating apparatus
US7542692B2 (en) 2005-09-13 2009-06-02 Canon Kabushiki Kaisha Image forming apparatus with detecting members for determining when set width is wrong
US7561818B2 (en) 2005-09-13 2009-07-14 Canon Kabushiki Kaisha Image heating apparatus with cooling operation related to recording material and detected temperature
US7609991B2 (en) 2006-08-29 2009-10-27 Canon Kabushiki Kaisha Image heating apparatus with an axial flow fan for cooling a portion of a heating rotatable member
US7619185B2 (en) 2003-06-30 2009-11-17 Canon Kabushiki Kaisha Image forming apparatus and electric-power control method
US8068757B2 (en) 2008-09-24 2011-11-29 Canon Kabushiki Kaisha Image forming apparatus
US8112024B2 (en) 2008-05-30 2012-02-07 Canon Kabushiki Kaisha Heat fixing apparatus
US8139963B2 (en) 2008-04-07 2012-03-20 Canon Kabushiki Kaisha Image fixing apparatus with safety relay and control thereof
US8254802B2 (en) 2005-09-13 2012-08-28 Canon Kabushiki Kaisha Image heating apparatus
US8331819B2 (en) 2009-06-11 2012-12-11 Canon Kabushiki Kaisha Image forming apparatus
US8471178B2 (en) 2008-03-14 2013-06-25 Canon Kabushiki Kaisha Image heating apparatus and heater used for the image heating apparatus
JP2013156501A (en) * 2012-01-31 2013-08-15 Brother Ind Ltd Fixing device
US8725020B2 (en) 2010-12-09 2014-05-13 Canon Kabushiki Kaisha Image forming apparatus having fixing unit for fixing unfixed toner image formed on recording material onto recording material by heat
JP2014199307A (en) * 2013-03-29 2014-10-23 ブラザー工業株式会社 The fixing device
JP2014199309A (en) * 2013-03-29 2014-10-23 ブラザー工業株式会社 The fixing device
US8873985B2 (en) 2010-12-09 2014-10-28 Canon Kabushiki Kaisha Image forming apparatus controlling power supplied to fixing unit
US8913937B2 (en) 2011-04-19 2014-12-16 Canon Kabushiki Kaisha Roller for fixing apparatus, and image heating apparatus having roller for image fixing apparatus
US9098039B1 (en) 2014-03-18 2015-08-04 Fuji Xerox Co., Ltd. Roller-shaped rotator, fixing device, and image forming apparatus
US9367008B2 (en) 2013-05-31 2016-06-14 Canon Kabushiki Kaisha Electrophotographic member and heat fixing assembly
US9798280B2 (en) 2015-06-12 2017-10-24 Canon Kabushiki Kaisha Heating apparatus and image forming apparatus
US9817348B2 (en) 2015-06-16 2017-11-14 Canon Kabushiki Kaisha Roller and fixing device

Cited By (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5365322A (en) * 1992-12-02 1994-11-15 Canon Kabushiki Kaisha Image forming apparatus which detects a jam of a wound sheet
US5532806A (en) * 1993-04-28 1996-07-02 Canon Kabushiki Kaisha Image fixing apparatus having means for preventing temperature unevenness
US5535012A (en) * 1993-07-31 1996-07-09 Canon Kabushiki Kaisha Information transmit/receive apparatus onto which a sorter can be mounted via an adapter
US5580045A (en) * 1993-07-31 1996-12-03 Canon Kabushiki Kaisha Image communication apparatus having storage unit for storing recorded sheet
US6246491B1 (en) 1993-07-31 2001-06-12 Canon Kabushiki Kaisha Image communication apparatus having multiple storage units and control based on detected page number
US7764895B2 (en) 1994-04-28 2010-07-27 Canon Kabushiki Kaisha Image heating apparatus with shutter control based on temperature
US5682576A (en) * 1994-06-07 1997-10-28 Canon Kabushiki Kaisha Fixing device
US5801359A (en) * 1994-07-08 1998-09-01 Canon Kabushiki Kaisha Temperature control that defects voltage drop across excitation coil in image heating apparatus
US5860051A (en) * 1995-05-22 1999-01-12 Canon Kabushiki Kaisha Belt-type fixing apparatus with pressure roller
US5860052A (en) * 1995-07-28 1999-01-12 Canon Kabushiki Kaisha Image heating apparatus
US5828035A (en) * 1995-07-28 1998-10-27 Cannon Kabushiki Kaisha Web-type heating apparatus with movably supported heater
US5722026A (en) * 1995-08-31 1998-02-24 Canon Kabushiki Kaisha Pressing rotator and heating-fixing apparatus using the same
US5724637A (en) * 1995-09-08 1998-03-03 Canon Kabushiki Kaisha Fixing roller having low resistance layer and fixing apparatus using same
US5819149A (en) * 1995-11-01 1998-10-06 Canon Kabushiki Kaisha Image forming apparatus preventing change of size of image
US6469279B1 (en) 1996-03-07 2002-10-22 Canon Kabushiki Kaisha Image heating apparatus and heater
US7386174B2 (en) 1996-08-26 2008-06-10 Canon Kabushiki Kaisha Image transmission apparatus and method therefor
US6337928B1 (en) 1996-08-26 2002-01-08 Canon Kabushiki Kaisha Image transmission apparatus and method therefor
US6654498B2 (en) 1996-08-26 2003-11-25 Canon Kabushiki Kaisha Image capture apparatus and method operable in first and second modes having respective frame rate/resolution and compression ratio
US6002106A (en) * 1996-12-24 1999-12-14 Canon Kabushiki Kaisha Fixing device
US6115563A (en) * 1997-11-07 2000-09-05 Canon Kabushiki Kaisha Image fixing apparatus
US6175699B1 (en) 1998-05-29 2001-01-16 Canon Kabushiki Kaisha Image fixing device with heater control
US6336009B1 (en) 1998-11-30 2002-01-01 Canon Kabushiki Kaisha Image heating apparatus and heater for heating image
US6440347B1 (en) 1998-11-30 2002-08-27 Canon Kabushiki Kaisha Method of manufacturing roller for fixing covered with tube
US6377777B1 (en) 1999-02-19 2002-04-23 Canon Kabushiki Kaisha Fluorine-containing resin-coated pressure roller and heat-fixing device
US6185383B1 (en) 1999-02-26 2001-02-06 Canon Kabushiki Kaisha Image heating apparatus
US6459878B1 (en) 1999-09-30 2002-10-01 Canon Kabushiki Kaisha Heating assembly, image-forming apparatus, and process for producing silicone rubber sponge and roller
US6545255B2 (en) 2000-05-10 2003-04-08 Canon Kabushiki Kaisha Induction heating apparatus for heating image formed on recording material
US6519426B2 (en) 2000-05-17 2003-02-11 Canon Kabushiki Kaisha Image heating apparatus and image forming apparatus having the image heating apparatus
US6594456B2 (en) 2000-07-26 2003-07-15 Canon Kabushiki Kaisha Image forming apparatus
US6516166B2 (en) 2000-09-28 2003-02-04 Canon Kabushiki Kaisha Image fixing apparatus
US6628906B2 (en) 2000-11-08 2003-09-30 Canon Kabushiki Kaisha Image forming apparatus with temperature based control
US6701102B2 (en) 2000-12-01 2004-03-02 Canon Kabushiki Kaisha Method and apparatus for controlling the temperature in a fixing device of an image forming apparatus
US6763203B2 (en) 2001-02-28 2004-07-13 Canon Kabushiki Kaisha Image forming apparatus having transfer bias control function
US6963718B2 (en) 2001-10-12 2005-11-08 Canon Kabushiki Kaisha Heating apparatus and image forming apparatus
US7081604B2 (en) 2001-10-12 2006-07-25 Canon Kabushiki Kaisha Heating apparatus and image forming apparatus
US6954608B2 (en) 2001-10-15 2005-10-11 Canon Kabushiki Kaisha Heating device and image forming apparatus
US7027764B2 (en) 2001-10-15 2006-04-11 Canon Kabushiki Kaisha Heating device and image forming apparatus
US6862416B2 (en) 2002-06-11 2005-03-01 Canon Kabushiki Kaisha Image heating apparatus and image forming apparatus
US7015431B2 (en) 2002-06-13 2006-03-21 Canon Kabushiki Kaisha Image forming apparatus with at least two alternately-controlled electric heating elements
US6952553B2 (en) 2002-08-19 2005-10-04 Canon Kabushiki Kaisha Image heating apparatus and pressure roller used for the apparatus
US6952538B2 (en) 2002-08-23 2005-10-04 Canon Kabushiki Kaisha Image forming apparatus with heater having bias applying portion setting bias based on sheet width
US6915099B2 (en) 2002-08-28 2005-07-05 Canon Kabushiki Kaisha Heat fixing apparatus
US7139500B2 (en) 2003-01-21 2006-11-21 Canon Kabushiki Kaisha Image fusing device and image forming apparatus
US7187882B2 (en) 2003-01-21 2007-03-06 Canon Kabushiki Kaisha Image fusing device with power control and image forming apparatus with same
US7076183B2 (en) 2003-01-21 2006-07-11 Canon Kabushiki Kaisha Image fusing device and image forming apparatus
US6993279B2 (en) 2003-03-18 2006-01-31 Canon Kabushiki Kaisha Image heating apparatus having a flexible sleeve
US7619185B2 (en) 2003-06-30 2009-11-17 Canon Kabushiki Kaisha Image forming apparatus and electric-power control method
JP2005181989A (en) * 2003-11-27 2005-07-07 Canon Inc Image heating apparatus
JP4617140B2 (en) * 2003-11-27 2011-01-19 キヤノン株式会社 Image heating apparatus
US7199335B2 (en) 2004-05-07 2007-04-03 Canon Kabushiki Kaisha Heat fusing apparatus, method of controlling same and image forming apparatus
US7266314B2 (en) 2004-07-29 2007-09-04 Canon Kabushiki Kaisha Image forming apparatus and fixing device used therein
US7518089B2 (en) 2004-09-16 2009-04-14 Canon Kabushiki Kaisha Image heating apparatus including flexible metallic sleeve, and heater used for this apparatus
US7310486B2 (en) 2004-10-29 2007-12-18 Canon Kabushiki Kaisha Power supply apparatus and heating apparatus and image forming apparatus
US7437086B2 (en) 2004-12-10 2008-10-14 Canon Kabushiki Kaisha Image forming apparatus with change unit for changing temperature of fixing unit at time of actuating image forming unit
USRE45252E1 (en) 2004-12-10 2014-11-18 Canon Kabushiki Kaisha Image forming apparatus with change unit for changing temperature of fixing unit at time of actuating image forming unit
US7471919B2 (en) 2005-02-18 2008-12-30 Canon Kabushiki Kaisha Image forming apparatus with first and second motors
US7715759B2 (en) 2005-02-18 2010-05-11 Canon Kabushiki Kaisha Image forming apparatus with first and second motors
US7542692B2 (en) 2005-09-13 2009-06-02 Canon Kabushiki Kaisha Image forming apparatus with detecting members for determining when set width is wrong
US8254802B2 (en) 2005-09-13 2012-08-28 Canon Kabushiki Kaisha Image heating apparatus
US7684724B2 (en) 2005-09-13 2010-03-23 Canon Kabushiki Kaisha Image heating apparatus
US7561818B2 (en) 2005-09-13 2009-07-14 Canon Kabushiki Kaisha Image heating apparatus with cooling operation related to recording material and detected temperature
US7536145B2 (en) 2005-09-13 2009-05-19 Canon Kabushiki Kaisha Image heating apparatus
US7433625B2 (en) 2005-09-13 2008-10-07 Canon Kabushiki Kaisha Image heating apparatus
US7421219B2 (en) 2005-09-13 2008-09-02 Canon Kabushiki Kaisha Image forming apparatus
US7949280B2 (en) 2005-09-13 2011-05-24 Canon Kabushiki Kaisha Image heating apparatus
US7609991B2 (en) 2006-08-29 2009-10-27 Canon Kabushiki Kaisha Image heating apparatus with an axial flow fan for cooling a portion of a heating rotatable member
US8471178B2 (en) 2008-03-14 2013-06-25 Canon Kabushiki Kaisha Image heating apparatus and heater used for the image heating apparatus
US8139963B2 (en) 2008-04-07 2012-03-20 Canon Kabushiki Kaisha Image fixing apparatus with safety relay and control thereof
US8112024B2 (en) 2008-05-30 2012-02-07 Canon Kabushiki Kaisha Heat fixing apparatus
US8265507B2 (en) 2008-05-30 2012-09-11 Canon Kabushiki Kaisha Heat fixing apparatus
US8068757B2 (en) 2008-09-24 2011-11-29 Canon Kabushiki Kaisha Image forming apparatus
US8331819B2 (en) 2009-06-11 2012-12-11 Canon Kabushiki Kaisha Image forming apparatus
US8744296B2 (en) 2009-06-11 2014-06-03 Canon Kabushiki Kaisha Image forming apparatus
US8873985B2 (en) 2010-12-09 2014-10-28 Canon Kabushiki Kaisha Image forming apparatus controlling power supplied to fixing unit
US8725020B2 (en) 2010-12-09 2014-05-13 Canon Kabushiki Kaisha Image forming apparatus having fixing unit for fixing unfixed toner image formed on recording material onto recording material by heat
US8913937B2 (en) 2011-04-19 2014-12-16 Canon Kabushiki Kaisha Roller for fixing apparatus, and image heating apparatus having roller for image fixing apparatus
JP2013156501A (en) * 2012-01-31 2013-08-15 Brother Ind Ltd Fixing device
JP2014199307A (en) * 2013-03-29 2014-10-23 ブラザー工業株式会社 The fixing device
JP2014199309A (en) * 2013-03-29 2014-10-23 ブラザー工業株式会社 The fixing device
US9367008B2 (en) 2013-05-31 2016-06-14 Canon Kabushiki Kaisha Electrophotographic member and heat fixing assembly
US9098039B1 (en) 2014-03-18 2015-08-04 Fuji Xerox Co., Ltd. Roller-shaped rotator, fixing device, and image forming apparatus
CN104932228A (en) * 2014-03-18 2015-09-23 富士施乐株式会社 Roller-shaped rotator, fixing device, and image forming apparatus
US9798280B2 (en) 2015-06-12 2017-10-24 Canon Kabushiki Kaisha Heating apparatus and image forming apparatus
US9817348B2 (en) 2015-06-16 2017-11-14 Canon Kabushiki Kaisha Roller and fixing device

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