Patent US3039911A successfully refreshed from Google Patents.
US3039911A
Expired / Lapsed
US
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Process for the production of shaped plastic articles
Assignee: Beazer East Inc
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Filing: 1959-12-15
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Granted: 1962-06-19
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Expires: 1979-12-15
Abstract
No abstract record available.
Inventors
- 👤 Alan J Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:59
CPC Classifications
B; B32; B32B; B32B37/00; B32B37/04; B29; B29C; B29C51/00; B29C51/14; B29K; B29K2025/00; B29K2105/00; B29K2105/04; Y; Y10; Y10S; Y10S206/00; Y10S206/819; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044; Y10T156/1048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A PROCESS FOR CONCURRENTLY LAMINATING AND FORMING BY A SINGLE OPERATION IN THE ABSENCE OF AN ADHESIVE, A RIGID, WATER IMPERMEABLE, THERMAL INSULATING, CONTAINERSHAPED ARTICLE WHICH COMPRISES: APPLYING AT LEAST ONE CONTINUOUS SHEET OF STYRENE POLYMER TO A CONTINUOUS EXTRUDED FOAMED POLYSTYRENE FILM IN FACIALLY CONTACTING RELATIONSHIP THEREWITH, HOLDING THEM IN SAID CONTACTING RELATIONSHIP OVER A MOLD CAVITY AND HEATING THEM TO A TEMPERATURE ABOVE THE FUSSION TEMPERATURE OF SAID CONTRACTING SURFACES BUT BELOW THE TEMPERATURE AT WHICH SAID STYRENE POLYMER BECOMES FREE FLOWING FOR A SUFFICIENT PERIOD OF TIME TO PERMIT THE HEAT TO EFFECTUALLY UNITE THE SHEET OF STYRENE POLYMER TO THE FILM OF FOAMED POLYSTYRENE TO THEREBY FORM A LAMINATE; CONFORMING SAID FUSED LAMINATE TO THE CONTOURS OF SAID MOLD; THEN COOLING THE MOLD; AND THEN REMOVING THE ARTICLE THEREFROM.
Claim 2
Dependent Claim
133 words
A PROCESS FOR CONCURRENTLY LAMINATING AND FORMING BY A SINGLE OPERATION IN THE ABSENCE OF AN ADHESIVE, A RIGID, WATER IMPERMEABLE, THERMAL INSULATING, CONTAINERSHAPED ARTICLE WHICH COMPRISES: APPLYING AT LEAST ONE CONTINUOUS SHEET OF STYRENE POLYMER TO A CONTINUOUS EXTRUDED FOAMED POLYSTYRENE FILM IN FACIALLY CONTACTING RELATIONSHIP THEREWITH, HOLDING THEM IN SAID CONTACTING RELATIONSHIP OVER A MOLD CAVITY AND HEATING THEM TO A TEMPERATURE ABOVE THE FUSSION TEMPERATURE OF SAID CONTRACTING SURFACES BUT BELOW THE TEMPERATURE AT WHICH SAID STYRENE POLYMER BECOMES FREE FLOWING FOR A SUFFICIENT PERIOD OF TIME TO PERMIT THE HEAT TO EFFECTUALLY UNITE THE SHEET OF STYRENE POLYMER TO THE FILM OF FOAMED POLYSTYRENE TO THEREBY FORM A LAMINATE; CONFORMING SAID FUSED LAMINATE TO THE CONTOURS OF SAID MOLD; THEN COOLING THE MOLD; AND THEN REMOVING THE ARTICLE THEREFROM.
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) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |