Patent US4780348A successfully refreshed from Google Patents.
US4780348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Print protecting member transfer layer having surface layer with lower softening point than under layer
Assignee: Canon Inc
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Filing: 1986-12-02
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Granted: 1988-10-25
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Expires: 2006-12-02
Abstract
Abstract A print protecting member comprising a transfer layer laminated peelably on a substrate is provided in which the transfer layer comprises at least a surface layer and an under layer. The surface layer has a lower softening point than that of the under layer.
Inventors
- 👤 Mayumi Yamamato
- 👤 Eiichi Suzuki
- 👤 Takashi Akiya
- 👤 Shigeo Toganoh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:01
CPC Classifications
B; B41; B41M; B41M7/00; B41M7/0027; Y; Y10; Y10T; Y10T428/00; Y10T428/14; Y10T428/1486; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
62 words
A print protecting member, comprising a transfer layer peelably laminated on a substrate, said transfer layer comprising an under layer and a surface layer laminated in this order on the substrate, wherein the entire transfer layer including both the under and surface layers is peelably removable from the substrate and the surface layer has a lower softening point than the under layer.
Claim 2
Dependent Claim
62 words
A print protecting member, comprising a transfer layer peelably laminated on a substrate, said transfer layer comprising an under layer and a surface layer laminated in this order on the substrate, wherein the entire transfer layer including both the under and surface layers is peelably removable from the substrate and the surface layer has a lower softening point than the under layer.
Claim 3
Dependent Claim
21 words
The print protecting member according to claim 1, wherein the surface layer has a thickness ranging between 1 and 50 μm.
Claim 4
Dependent Claim
21 words
The print protecting member according to claim 1, wherein the surface layer has a thickness ranging between 3 and 30 μm.
Claim 5
Dependent Claim
21 words
The print protecting member according to claim 1, wherein the under layer has a thickness ranging between 1 and 50 μm.
Claim 6
Dependent Claim
21 words
The print protecting member according to claim 1, wherein the under layer has a thickness ranging between 3 and 30 μm.
Claim 7
Dependent Claim
20 words
The print protecting member according to claim 1, wherein the substrate has a thickness ranging between 5 and 2000 μm.
Claim 8
Dependent Claim
29 words
The print protecting member according to claim 1. wherein the substrate comprises paper, cloth or a plastic, coated with a releasing agent, or a plastic having releasability in itself.
Claim 9
Dependent Claim
16 words
The print protecting member according to claim 1, wherein the transfer layer comprises a thermoplastic resin.
Claim 10
Dependent Claim
16 words
Tne print protecting member according to claim 1, wherein the under layer comprises a butyral resin.
Claim 11
Dependent Claim
66 words
A print protecting member comprising a transfer layer peelably laminated on a substrate, said transfer layer comprising an under layer and a surface layer laminated in this order on the substrate, wherein the entire transfer layer including both the under and surface layers is peelably removable from the substrate and the surface layer has a softening point at least 10° C. lower than the under layer.
Claim 12
Dependent Claim
66 words
A print protecting member comprising a transfer layer peelably laminated on a substrate, said transfer layer comprising an under layer and a surface layer laminated in this order on the substrate, wherein the entire transfer layer including both the under and surface layers is peelably removable from the substrate and the surface layer has a softening point at least 10° C. lower than the under layer.
Claim 13
Dependent Claim
50 words
The print protecting member according to claim 10, wherein the surface layer has a softening point not less than 20° C. lower than that of the under layer claim 10, wherein the surface layer has a softening point not less than 20° C. lower than that of the under layer.
Claim 14
Dependent Claim
28 words
The print protecting member according to claim 10, wherein the surface layer has a softening point not less than 25° C. lower than that of the under layer.
Claim 15
Dependent Claim
23 words
The print protecting member according to claim 10, wherein the surface layer has a softening point ranging between 60° C. and 100° C.
Claim 16
Dependent Claim
21 words
The print protecting member according to claim 10, wherein the under layer has a softening point of 100° C. or more.
Claim 17
Dependent Claim
21 words
The print protecting member according to claim 10, wherein the surface layer has a thickness ranging between 1 and 50 μm.
Claim 18
Dependent Claim
21 words
The print protecting member according to claim 10, wherein the surface layer has a thickness ranging between 3 and 30 μm.
Claim 19
Dependent Claim
21 words
The print protecting member according to claim 10, wherein the under layer has a thickness ranging between 1 and 50 μm.
Claim 20
Dependent Claim
21 words
The print protecting member according to claim 10, wherein the under layer has a thickness ranging between 3 and 30 μm.
Claim 21
Dependent Claim
20 words
The print protecting member according to claim 10, wherein the substrate has a thickness ranging between 5 and 2000 μm.
Claim 22
Dependent Claim
29 words
The print protecting member according to claim 10, wherein the substrate comprises paper, cloth or a plastic, coated with a releasing agent, or a plastic having releasability in itself.
Claim 23
Dependent Claim
16 words
The print protecting member according to claim 10, wherein the transfer layer comprises a thermoplastic resin.
Claim 24
Dependent Claim
16 words
The print protecting member according to claim 10, wherein the under layer comprises a butyral resin.
Claim 25
Dependent Claim
23 words
The print protecting member according to claim 1, wherein the surface layer has a softening point ranging between 60° C. and 100° C.
Claim 26
Dependent Claim
21 words
The print protecting member according to claim 1, wherein the under layer has a softening point of 100° C. or more.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-10-25 | 1992-04-25 | 1992-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-10-25 | 1996-04-25 | 1996-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-10-25 | 2000-04-25 | 2000-10-25 | $7700.00 | Window Closed / Lapsed |