US3424635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making composite printing plate
Assignee: MIDWEST BODY Inc A CORP OF DE
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Filing: 1966-03-28
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Granted: 1969-01-28
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Expires: 1986-03-28
Abstract
No abstract record available.
Inventors
- 👤 Attilio Grandinetti
- 👤 Ralph B Curd
- 👤 James Dimen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:25
CPC Classifications
B; B41; B41C; B41C3/00; B41C3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A PROCESS OF MAKING A COMPOSITE PRINTING PLATE WHICH COMPRISES MOLDING A RELIEF PRINTING PLATE INTO A MASS OF A THERMOSETTING RESIN, CURING THE RESIN UNDER HEAT AND PRESSURE TO PROVIDE A FLAT ELECTROTYPE MOLD,SEPARATING THE MOLD FROM THE PRINTING PLATE, ELECTRODEPOSITING A THIN ELECTROTYPE SHELL ON THE FACE OF THE MOLD, COATING THE BACK OF THE SHELL WITH AN ADHESIVE, COVERING THE BACK OF THE SHELL WITH A LAYER OF AN ACRYLONITRILE-BUTADIENE-STYRENE THERMOPLASTIC RESIN, SUBJECTING THE CURED MOLD, SHELL AND THERMOPLASTIC RESIN LAYER TO HEAT AND PRESSURE TO BOND SAID THERMOPLASTIC RESIN TO THE SHELL, SEPARATING THE BACKED SHELL FROM THE MOLD, AND ADHESIVELY SECURING THE BACKED SHELL TO A RIGID METAL BASE UNDER HEAT AND PRESSURE.
Claim 2
Dependent Claim
118 words
A PROCESS OF MAKING A COMPOSITE PRINTING PLATE WHICH COMPRISES MOLDING A RELIEF PRINTING PLATE INTO A MASS OF A THERMOSETTING RESIN, CURING THE RESIN UNDER HEAT AND PRESSURE TO PROVIDE A FLAT ELECTROTYPE MOLD,SEPARATING THE MOLD FROM THE PRINTING PLATE, ELECTRODEPOSITING A THIN ELECTROTYPE SHELL ON THE FACE OF THE MOLD, COATING THE BACK OF THE SHELL WITH AN ADHESIVE, COVERING THE BACK OF THE SHELL WITH A LAYER OF AN ACRYLONITRILE-BUTADIENE-STYRENE THERMOPLASTIC RESIN, SUBJECTING THE CURED MOLD, SHELL AND THERMOPLASTIC RESIN LAYER TO HEAT AND PRESSURE TO BOND SAID THERMOPLASTIC RESIN TO THE SHELL, SEPARATING THE BACKED SHELL FROM THE MOLD, AND ADHESIVELY SECURING THE BACKED SHELL TO A RIGID METAL BASE UNDER HEAT AND PRESSURE.
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) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |