EP0302741A2
Expired / Lapsed
EP
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Image fixing rotatable member and image fixing apparatus with same
Assignee: Canon Inc
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Filing: 1988-08-05
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Granted: —
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Expires: 2008-08-05
Abstract
Abstract A rotatable member for image fixing includes an elastic layer; and a resin layer formed on the elastic layer by applying resin material and sintering it; and wherein the elastic layer contains resin material.
Inventors
- 👤 Masahiro Goto
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 23:08
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/20; G03G15/2003; G03G15/2014; G03G15/2053; G03G15/2057
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
29 words
A rotatable member for image fixing, comprising: an elastic layer containing resin material; and a resin layer formed on said elastic layer by applying resin material and sintering it.
Claim 2
Dependent Claim
29 words
A rotatable member for image fixing, comprising: an elastic layer containing resin material; and a resin layer formed on said elastic layer by applying resin material and sintering it.
Claim 3
Dependent Claim
38 words
A rotatable member for image fixing, comprising: an elastic layer containing resin material; a bonding layer containing resin material on said elastic layer; and resin layer formed on said bonding layer by applying resin material and sintering it.
Claim 4
Dependent Claim
38 words
A rotatable member for image fixing, comprising: an elastic layer containing resin material; a bonding layer containing resin material on said elastic layer; and resin layer formed on said bonding layer by applying resin material and sintering it.
Claim 5
Dependent Claim
13 words
A member according to claim 2, wherein said bonding layer contains conductive material.
Claim 6
Dependent Claim
31 words
A member according to claim 2 or 3, wherein materials of said resin layer and the resin material contained in said elastic layer and in said bonding layer are the same.
Claim 7
Dependent Claim
22 words
A member according to any of claims 2 to 4, wherein the resin material contained in said bonding layer is fluorine resin.
Claim 8
Dependent Claim
23 words
A member according to any preceding claim, wherein said elastic layer is of silicone rubber, and said resin layer is of fluorine resin.
Claim 9
Dependent Claim
29 words
A member according to claim 6, wherein content of the resin material in said elastic layer is 5 - 30 % by weight relative to 100 % silicone rubber.
Claim 10
Dependent Claim
24 words
A member according to any preceding claim, wherein materials of said resin layer and said resin material in said elastic layer are fluorine resin.
Claim 11
Dependent Claim
25 words
A member according to any preceding claim, wherein materials of said resin layer and said resin material contained in said elastic layer are the same.
Claim 12
Dependent Claim
40 words
A rotatable member for image fixing, comprising: a first elastic layer; a second elastic layer on said first elastic layer and containing resin material; a resin layer formed on said second elastic layer by applying resin material and sintering it.
Claim 13
Dependent Claim
40 words
A rotatable member for image fixing, comprising: a first elastic layer; a second elastic layer on said first elastic layer and containing resin material; a resin layer formed on said second elastic layer by applying resin material and sintering it.
Claim 14
Dependent Claim
26 words
A member according to claim 10, wherein said first and second elastic layers are of silicone rubber, and said resin layer is of fluorine resin material.
Claim 15
Dependent Claim
23 words
A member according to claim 10 or 11, wherein said first elastic layer has a better thermal conductivity than said second elastic layer.
Claim 16
Dependent Claim
36 words
A member according to claim 12, wherein said first elastic layer has a thermal conductivity of not less than 0.8x10⁻³ cal.cm/sec.cm².°C, and said second elastic layer has a thermal conductivity of not more than 0.4x10⁻³ cal.cm/sec.cm².°C.
Claim 17
Dependent Claim
44 words
A member according to any of claims 10 to 13, wherein said first elastic layer has a thickness d₁ which is larger than the thickness d₂ of said second elastic layer, which in turn is larger than the thickness d₃ of said resin layer.
Claim 18
Dependent Claim
20 words
A member according to claim 14, wherein the thicknesses of the layers satisfy d₁ > 2d₂, and d₁+d₂ > 6d₃.
Claim 19
Dependent Claim
28 words
A member according to claim 14 or 15, wherein d₁ is 0.3 - 2.0 mm, d₂ is 0.05 - 0.5 mm, and d₃ is 5 - 35 microns.
Claim 20
Dependent Claim
28 words
A member according to claim 14 or 15, wherein d is 3 - 10 mm, d₂ is 0.01 - 0.5 mm, and d₃ is 5 - 30 microns.
Claim 21
Dependent Claim
30 words
A member according to any preceding claim, wherein particle size of the resin material contained in said elastic layer or said second elastic layer is not more than 1 micron.
Claim 22
Dependent Claim
15 words
A member according to claim 18, wherein particle size is not more than 0.5 micron.
Claim 23
Dependent Claim
42 words
An image fixing apparatus, comprising a couple of rotatable members forming a nip through which an image carrying member carrying an unfixed image is passed to fix the image, at least one of the members being as claimed in any preceding claim.
Claim 24
Dependent Claim
30 words
An apparatus according to claim 20, wherein said one of the members is that one which is contactable with the unfixed image, and further comprising means for heating that member.
Claim 25
Dependent Claim
24 words
An apparatus according to claim 20, wherein said one of the members is that one of which is not contactable with the unfixed image.
References Cited (Backward Citations)
No citation records indexed.
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