US3983276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive tape
Assignee: Fujifilm Holdings Corp
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Filing: 1975-10-30
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Granted: 1976-09-28
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Expires: 1995-10-30
Abstract
Abstract An adhesive tape comprising a support, a magnetic layer provided on one side of the support, the other side of the support being provided with an undercoating layer or having been subjected to a surface treatment in order to increase the adhesion of the support to a photographic emulsion layer, and an adhesive layer provided on the magnetic layer. The adhesive tape is used to join photographic supports.
Inventors
- 👤 Yasuo Matsumoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:31
CPC Classifications
G; G03; G03C; G03C11/00; G03C11/14; B; B65; B65H; B65H19/00; B65H19/10; B65H19/102; C; C09; C09J; C09J7/00; C09J7/20; B65H2301/00; B65H2301/40; B65H2301/46; B65H2301/4606; B65H2301/4607; Y; Y10; Y10S; Y10S428/00; Y10S428/90; Y10T; Y10T428/00; Y10T428/14; Y10T428/1438; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/266; Y10T428/28; Y10T428/2839; Y10T428/2848; Y10T428/31504; Y10T428/31507; Y10T428/31786; Y10T428/31855; Y10T428/31938; Y10T428/31971
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
52 words
An adhesive tape for use in joining photographic supports which are dried using high frequency radiation, said adhesive tape comprising a support, a magnetic layer on one side of said support, the other side of said support showing adhesion to a photographic emulsion layer, and an adhesive layer on said magnetic layer.
Claim 2
Dependent Claim
52 words
An adhesive tape for use in joining photographic supports which are dried using high frequency radiation, said adhesive tape comprising a support, a magnetic layer on one side of said support, the other side of said support showing adhesion to a photographic emulsion layer, and an adhesive layer on said magnetic layer.
Claim 3
Dependent Claim
29 words
The adhesive tape according to claim 1, wherein an adhesive undercoating layer is provided on said other side of said support to increase adhesion to said photographic emulsion layer.
Claim 4
Dependent Claim
25 words
The adhesive tape according to claim 1, wherein said support has been subjected to a surface treatment to increase adhesion to said photographic emulsion layer.
Claim 5
Dependent Claim
20 words
The adhesive tape according to claim 1, wherein the thickness of the support is about 5 to about 50 μ.
Claim 6
Dependent Claim
19 words
The adhesive tape according to claim 1, wherein the thickness of the support is about 10 to 40 μ.
Claim 7
Dependent Claim
27 words
The adhesive tape according to claim 1, wherein the support is made of a material selected from the group consisting of polyesters, polyolefins, cellulose derivatives, and polycarbonates.
Claim 8
Dependent Claim
18 words
The adhesive tape according to claim 1, wherein the magnetic substance comprises a binder and a ferromagnetic powder.
Claim 9
Dependent Claim
24 words
The adhesive tape according to claim 7, wherein the binder is selected from the group consisting of thermoplastic resins, thermosetting resins and mixtures thereof.
Claim 10
Dependent Claim
12 words
The adhesive tape according to claim 7, further comprising a dispersing agent.
Claim 11
Dependent Claim
32 words
The adhesive agent according to claim 9, wherein the dispersing agent is added in an amount of about 1 to 20 parts by weight per 100 parts by weight of the binder.
Claim 12
Dependent Claim
20 words
The adhesive tape according to claim 1, wherein the thickness of the magnetic layer is about 3 to 30 μ.
Claim 13
Dependent Claim
20 words
The adhesive tape according to claim 1, wherein the thickness of the magnetic layer is about 5 to 20 μ.
Claim 14
Dependent Claim
14 words
The adhesive tape according to claim 1, wherein the adhesive is a pressure-sensitive adhesive.
Claim 15
Dependent Claim
17 words
The adhesive tape according to claim 1, wherein a release paper is placed on the adhesive layer.
Claim 16
Dependent Claim
60 words
An adhesive tape for use in joining photographic supports which are dried using high frequency radiation, said adhesive tape comprising a support, a magnetic layer on one side of said support, the other side of said support showing adhesion to a photographic emulsion layer, an adhesive layer on said magnetic substance layer, and a release paper on said adhesive layer.
Claim 17
Dependent Claim
60 words
An adhesive tape for use in joining photographic supports which are dried using high frequency radiation, said adhesive tape comprising a support, a magnetic layer on one side of said support, the other side of said support showing adhesion to a photographic emulsion layer, an adhesive layer on said magnetic substance layer, and a release paper on said adhesive layer.
References Cited (Backward Citations)
US2912344A
Cited
US3078183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-09-28 | 1980-03-29 | 1980-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-28 | 1984-03-29 | 1984-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-28 | 1988-03-29 | 1988-09-28 | $7700.00 | Window Closed / Lapsed |