US4270449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of printing plastic surfaces
Assignee: Toppan Inc
•
Filing: 1979-02-14
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Granted: 1981-06-02
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Expires: 1999-02-14
Abstract
Abstract A plastic surface-printing method which comprises the steps of drawing an image on a plastic surface by an ink composition containing a coloring material; enclosing the printed plastic surface in a cover wherein there is placed a flash discharge tube; causing the flash discharge tube to emit light beams to irradiate heat pulses on the printed plastic surface; applying pressure on the printed plastic surface due to the expansion of air in the cover resulting from the application of heat pulses; and fixing an inked image on the plastic surface.
Inventors
- 👤 Yoshiyashu Ito
- 👤 Takeo Sugiura
- 👤 Yoshikatsu Sawada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:35
CPC Classifications
B; B41; B41M; B41M7/00; B41M7/009; B41M1/00; B41M1/26; B41M1/30
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
90 words
A method of printing a plastic surface which comprises the steps of drawing an image on the plastic surface, using an ink composition containing a coloring material; enclosing the plastic surface in a cover wherein there is placed a flash discharge tube; causing the flash discharge tube to emit light beams; irradiating heat pulses on the plastic surface; applying pressure to the plastic surface due to the expansion of air in the cover resulting from the application of heat pulses: and firmly fixing the inked image of the plastic surface.
Claim 2
Independent Claim
90 words
A method of printing a plastic surface which comprises the steps of drawing an image on the plastic surface, using an ink composition containing a coloring material; enclosing the plastic surface in a cover wherein there is placed a flash discharge tube; causing the flash discharge tube to emit light beams; irradiating heat pulses on the plastic surface; applying pressure to the plastic surface due to the expansion of air in the cover resulting from the application of heat pulses: and firmly fixing the inked image of the plastic surface.
Claim 3
Dependent Claim
29 words
The plastic surface-printing method according to claim 1, wherein the ink composition is prepared by dissolving a coloring material consisting of a thermally prevading dyestuff in an organic solvent.
Claim 4
Dependent Claim
53 words
The plastic surface-printing method according to claim 1, wherein the ink composition is prepared by dispersing or dissolving a coloring material consisting of an inorganic or organic pigment in a vehicle prepared by dissolving one or more resin compounds selected from the group consisting of natural resins, synthetic resins and cellulose derivative resins.
Claim 5
Dependent Claim
58 words
The plastic surface-printing method according to claim 1, wherein the ink composition is prepared by dispersing or dissolving a coloring material consisting of a thermally prevading dyestuff and an inorganic or organic pigment in a vehicle prepared by dissolving one or more resin compounds selected from the group consisting of natural resins, synthetic resins and cellulose derivative resins.
Claim 6
Dependent Claim
21 words
The plastic surface-printing method according to any one of claims 1 to 4, wherein the ink composition contains an infrared absorbent.
Claim 7
Dependent Claim
36 words
The plastic surface-printing method according to any one of claims 1 to 4, wherein the ink composition contains one or more compounds selected from the group consisting of a plasticizer, interface acting agent and antifoaming agent.
Claim 8
Dependent Claim
42 words
The plastic surface-printing method according to claim 1, which draws an inked image by a direct printing process selected from the group consisting of the flexographic printing process, relief printing process, gravure printing process, screen printing process, and intaglio offset printing process.
Claim 9
Dependent Claim
18 words
The plastic surface-printing method according to claim 1, which draws an inked image by a transfer printing process.
Claim 10
Dependent Claim
18 words
The plastic surface-printing method according to claim 1, wherein the flash discharge tube is a Xenon discharge tube.
Claim 11
Dependent Claim
27 words
The plastic surface-printing method according to claim 2, wherein the flash discharge tube is made to emit light beams with the duration of a heat pulse extended.
Claim 12
Dependent Claim
29 words
The plastic surface-printing method according to claims 3 or 4, wherein the flash discharge tube is made to emit light beams with the duration of a heat pulse shortened.
Claim 13
Dependent Claim
40 words
The plastic surface-printing method according to claim 3, wherein the plastic printed material is prepared from one or more compounds selected from the group consisting of polyolefinic resins and elastomers whose glass transition temperature is lower than the room temperature.
Claim 14
Dependent Claim
55 words
The plastic surface-printing method according to claim 1, wherein the plastic printed material is prepared from one or more compounds selected from the group consisting of polyamide resins, polyvinylchloride resins, ABS resins, polyester resins, polyacetal resins, acrylic resins, polyamide resins and polyphenylene sulfide resins, all having a higher glass transition temperature than the room temperature.
Claim 15
Dependent Claim
17 words
The plastic surface-printing method according to claim 1, wherein the plastic printed material is a plastic molding.
Claim 16
Dependent Claim
17 words
The plastic surface-printing method according to claim 1, wherein the plastic printed material is a plastic sheet.
Claim 17
Dependent Claim
25 words
The plastic surface-printing method according to claim 1, wherein the plastic printed material is a plastic film coated on the surface of any desired material.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-06-01 | 1984-12-01 | 1985-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-06-01 | 1988-12-01 | 1989-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-06-01 | 1992-12-01 | 1993-06-02 | $7700.00 | Window Closed / Lapsed |