US3345235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for forming gelled plastic particles for use as a decorative surfacing material
Assignee: Tarkett AB
•
Filing: 1963-09-05
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Granted: 1967-10-03
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Expires: 1983-09-05
Abstract
No abstract record available.
Inventors
- 👤 John C Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:25
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/58; B29C70/64; B29B; B29B9/00; B29K; B29K2027/00; B29K2027/06; B29L; B29L2031/00; B29L2031/722; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T156/109
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A METHOD FOR MAKING A VINYL TYPE DECORATIVE SURFACING MATERIAL COMPRISING HEATING GLOBULES OF LIQUID HEAT HARDENABLE POLYVINYL CHLORIDE PLASTISOL TO A TEMPERATURE BETWEEN ABOUT 150*F. AND 212*F. TO THEREBY FORM GELLED BUT INCOMPLETELY HARDENED PARTICLES, NCORPORATING SAID GELLED PARTICLES AS DECORATION IN A SURFACING SHEET, AND AFTER INCORPORATION OF THE PARTICLES HEATING THE SHEET WITH THE INCORPORATED PARTICLES TO A TEMPERATURE BETWEEN ABOUT 300*F. AND 375*F. TO THEREBY FUSE AND HARDEN THE GELLED PARTICLES.
Claim 2
Independent Claim
75 words
A METHOD FOR MAKING A VINYL TYPE DECORATIVE SURFACING MATERIAL COMPRISING HEATING GLOBULES OF LIQUID HEAT HARDENABLE POLYVINYL CHLORIDE PLASTISOL TO A TEMPERATURE BETWEEN ABOUT 150*F. AND 212*F. TO THEREBY FORM GELLED BUT INCOMPLETELY HARDENED PARTICLES, NCORPORATING SAID GELLED PARTICLES AS DECORATION IN A SURFACING SHEET, AND AFTER INCORPORATION OF THE PARTICLES HEATING THE SHEET WITH THE INCORPORATED PARTICLES TO A TEMPERATURE BETWEEN ABOUT 300*F. AND 375*F. TO THEREBY FUSE AND HARDEN THE GELLED PARTICLES.
References Cited (Backward Citations)
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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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |