US4160056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steel sheet for DrD cans and DI cans
Assignee: Nippon Steel Corp
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Filing: 1977-09-16
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Granted: 1979-07-03
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Expires: 1997-09-16
Abstract
Abstract A steel sheet for production of DrD or DI cans, comprising a cold rolled steel sheet, a solvent type thermosetting paint coating containing ethylene-vinyl acetate copolymer baked on the steel sheet in a completely cured state.
Inventors
- 👤 Tadashi Tanaka
- 👤 Tatsuro Obi
- 👤 Nobuichi Arai
- 👤 Teruo Koyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:50
CPC Classifications
B; B65; B65D; B65D65/00; B65D65/38; B65D65/42; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31522; Y10T428/31529; Y10T428/31678; Y10T428/31688; Y10T428/31692; Y10T428/31699
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
63 words
A steel sheet for production of DrD or DI cans comprising a cold rolled steel sheet, a solvent type thermo-setting paint baked on the steel sheet in a completely cured state, said paint containing 1 to 30% ethylene-vinyl acetate copolymer on the basis of the solid substance of the paint and having a thickness of 3 to 15 μm in a dried state.
Claim 2
Dependent Claim
63 words
A steel sheet for production of DrD or DI cans comprising a cold rolled steel sheet, a solvent type thermo-setting paint baked on the steel sheet in a completely cured state, said paint containing 1 to 30% ethylene-vinyl acetate copolymer on the basis of the solid substance of the paint and having a thickness of 3 to 15 μm in a dried state.
Claim 3
Dependent Claim
19 words
A steel sheet according to claim 1, in which the ethylene-vinyl acetate copolymer contains 5 to 40% vinyl acetate.
References Cited (Backward Citations)
US2482086A
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US2699413A
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US3717543A
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US3997694A
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US3993841A
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US3967020A
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US3959567A
Cited
US4060657A
Cited
US4107380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-07-02 | 1983-01-01 | 1983-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-07-02 | 1987-01-01 | 1987-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-07-02 | 1991-01-01 | 1991-07-03 | $7700.00 | Window Closed / Lapsed |