EP0322127A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Rotatable member for fixing apparatus and fixing apparatus using same
Assignee: Ist KK
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Filing: 1988-11-30
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Granted: —
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Expires: 2008-11-30
Abstract
Abstract An image fixing rotatable member includes an elastic layer into which filler material is mixed, the elastic layer having a surface provided with pores with a porosity of 3 - 50 %, and a resin layer applied and sintered on the elastic layer.
Inventors
- 👤 Hiroshi Sasame
- 👤 Masaaki Sakurai
- 👤 Yasumi Yoshida
- 👤 Isamu Sakane
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 04:36
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/20; G03G15/2003; G03G15/2014; G03G15/2053; G03G15/2057; B; B29; B29C; B29C37/00; B29C37/0078; B29C37/0082; B29C59/00; B29C67/00; B29C67/02; B29C67/04; B29C70/00; B29C70/58; B29C70/64; B29K; B29K2021/00; B29K2027/00; B29K2027/12; B29K2083/00; B29L; B29L2031/00; B29L2031/32; B29L2031/324
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
42 words
An image fixing rotatable member, comprising: an elastic layer into which filler material is mixed, said elastic layer having a surface provided with pores with a porosity of 3 - 50%; and a resin layer applied and sintered on said elastic layer.
Claim 2
Dependent Claim
42 words
An image fixing rotatable member, comprising: an elastic layer into which filler material is mixed, said elastic layer having a surface provided with pores with a porosity of 3 - 50%; and a resin layer applied and sintered on said elastic layer.
Claim 3
Dependent Claim
47 words
An image fixing rotatable member, comprising: an elastic layer into which filler material is mixed; and a resin layer of resin material containing resin particles applied and sintered on said elastic layer, wherein the filler material has a particle size larger than that of said resin particles.
Claim 4
Dependent Claim
47 words
An image fixing rotatable member, comprising: an elastic layer into which filler material is mixed; and a resin layer of resin material containing resin particles applied and sintered on said elastic layer, wherein the filler material has a particle size larger than that of said resin particles.
Claim 5
Dependent Claim
82 words
An image fixing apparatus, comprsising: a pair of rotatable members cooperable with each other to fix an unfixed image when an image supporting member supporting the unfixed image is passed through a nip formed between the rotatable members; at least one of said rotatable members including; an elastic layer into which filler material is mixed, said elastic layer having a surface provided with pores with a porosity of 3 - 50%; and a resin layer applied and sintered on said elastic layer.
Claim 6
Dependent Claim
82 words
An image fixing apparatus, comprsising: a pair of rotatable members cooperable with each other to fix an unfixed image when an image supporting member supporting the unfixed image is passed through a nip formed between the rotatable members; at least one of said rotatable members including; an elastic layer into which filler material is mixed, said elastic layer having a surface provided with pores with a porosity of 3 - 50%; and a resin layer applied and sintered on said elastic layer.
Claim 7
Dependent Claim
86 words
An image fixing apparatus, comprising: a pair of rotatable members cooperable with each other to fix an unfixed image when an image supporting member supporting the unfixed image is passed through a nip formed between the rotatabie members; at least one of said rotatable members including; an elastic layer into which filler material is mixed; a resin layer of resin material containing resin particles applied and sintered on said elastic layer, wherein the filler material has a particle size larger than that of said resin particles.
Claim 8
Dependent Claim
86 words
An image fixing apparatus, comprising: a pair of rotatable members cooperable with each other to fix an unfixed image when an image supporting member supporting the unfixed image is passed through a nip formed between the rotatabie members; at least one of said rotatable members including; an elastic layer into which filler material is mixed; a resin layer of resin material containing resin particles applied and sintered on said elastic layer, wherein the filler material has a particle size larger than that of said resin particles.
Claim 9
Dependent Claim
33 words
A member according to Ciaim 1 or 2 or an apparatus according to Claim 3 or 4, wherein said elastic layer is of silicone rubber, and said resin layer is of fluorine resin.
Claim 10
Dependent Claim
48 words
A member or apparatus according to any preceding ciaim, wherein the pores on the surface of said elastic layer are formed by removing the filler material and/or a surface of said elastic layer near said resin layer is provided with pores provided by removal of said filler material.
Claim 11
Dependent Claim
48 words
A member or apparatus according to any preceding ciaim, wherein the pores on the surface of said elastic layer are formed by removing the filler material and/or a surface of said elastic layer near said resin layer is provided with pores provided by removal of said filler material.
Claim 12
Dependent Claim
18 words
A member or apparatus according to any preceding claim, wherein resin material is mixed into said elastic layer.
Claim 13
Dependent Claim
21 words
A member or apparatus according to any preceding claim, wherein the resin material in said elastic layer is a fluorine resin.
Claim 14
Dependent Claim
32 words
A member or apparatus according to any preceding claim, wherein the bonding strength between said elastic layer and said resin layer on said elastic layer is not less than 130 g/20 mm.
Claim 15
Dependent Claim
42 words
A member or apparatus according to any preceding claim, wherein said filler material has a particle size larger than that of said resin before sintering and/or has a particle size larger than that of the resin material contained in said elastic layer.
Claim 16
Dependent Claim
21 words
An apparatus according to Claim 3 or 4, wherein said one of said rotatable members is contactable to the unfixed image.
Claim 17
Dependent Claim
31 words
An apparatus according to Claim 3 or 4, wherein said rotatable member having said elastic layer and said resin layer is heated by a heating source for fusing the unfixed image.
Claim 18
Independent Claim
57 words
A method of producing an image fixing rotatable member, comprising the steps of: producing an elastic layer into which filler material is mixed; removing the filler material from a surface of said elastic layer; applying resin material on the surface of said elastic layer from which the filler material has been removed; and sintering the resin material.
Claim 19
Independent Claim
57 words
A method of producing an image fixing rotatable member, comprising the steps of: producing an elastic layer into which filler material is mixed; removing the filler material from a surface of said elastic layer; applying resin material on the surface of said elastic layer from which the filler material has been removed; and sintering the resin material.
Claim 20
Dependent Claim
29 words
A method according to Claim 13, wherein said elastic layer contains 100 parts by weight of rubber material and 30 - 200 parts by weight of the filler material.
Claim 21
Independent Claim
22 words
A method according to Ciaim 13 or 14, wherein said filler material has an average particle size of 1 - 15 microns.
Claim 22
Independent Claim
22 words
A method according to Ciaim 13 or 14, wherein said filler material has an average particle size of 1 - 15 microns.
Claim 23
Independent Claim
17 words
A method according to Ciaim 13, 14 or 15, wherein said elastic layer is vulcanized after formation.
Claim 24
Independent Claim
17 words
A method according to Ciaim 13, 14 or 15, wherein said elastic layer is vulcanized after formation.
Claim 25
Independent Claim
31 words
A method according to any of Claims 13 to 16, wherein the rubber material is silicone rubber or fluorine rubber, and wherein said filler is of quartz particles or silica particles.
Claim 26
Independent Claim
29 words
A method according to any of Claims 13 to 17, wherein said resin material is fluorine resin and is sintered at a temperature not lower than its melting point.
Claim 27
Dependent Claim
37 words
A rotatable member for fixing an image having an elastic layer and a resin layer on the elastic layer, wherein the elastic layer has an irregular surface providing a key for adhesion of the resin layer thereto.
Claim 28
Dependent Claim
37 words
A rotatable member for fixing an image having an elastic layer and a resin layer on the elastic layer, wherein the elastic layer has an irregular surface providing a key for adhesion of the resin layer thereto.
References Cited (Backward Citations)
No citation records indexed.
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