US3277519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymer flaking apparatus
Assignee: EIDP Inc
•
Filing: 1964-06-02
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Granted: 1966-10-11
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Expires: 1984-06-02
Abstract
No abstract record available.
Inventors
- 👤 Eugene G Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:19
CPC Classifications
B; B29; B29B; B29B9/00; B29B9/02; B29B9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
AN APPARATUS FOR CONVERTING MOLTEN POLYMERIC MATERIAL INTO POLYMER FLAKE AND THE LKE WHICH COMPRISES IN COMBINATION (1) AN EXTRUSION HEAD THROUGH WHICH SAID MOLTEN POLYMERIC MATERIAL IS EXTRUDED IN THE FORM OF A RIBBON, (2) A CASTING WHEEL HAVING A RIM ON WHICH A LENGTH OF RIBBON IS SUPPORTED AS IT ADVANCES AWAY FROM SAID HEAT, (3) A FLUID COOLING SYSTE ARRANED ABOUT SAID RIM FOR COOLING SAID LENGTH OF RIBBON, (4) SHAPED ROLLER MEANS FOR PRESSABLY ENGAGING SAID SUPPORTED LENGTH OF RIBBOB, (5) SUPPLEMENTARY QUENCHING MEANS TO FURTHER COOL SAID RIBBON, (6) DRYING MEANS FOR SAID RIBBON AFTER SUBJECTION TO SAID SUPPLEMENTARY QUENCHING MEANS, (7) A CUTTER FEED-GUIDE COMPRISING A FUNNEL-SHAPED CHUTE-HAVING LONGITUDINAL, SPACED RIBS TO PROVIDE A PATH OF MINERAL FRICTION FOR SAID RIBBON, (8) ADVANCING MEANS FOR ADVANCING SAID RIBBON THROUGH SAID CHUTE, AND (9) CUTTER MEANS ARRNGED TO CUT SAID RIBBON INTO FLAKE AS IT EMERGES FROM SAID CHUTE.
Claim 2
Independent Claim
154 words
AN APPARATUS FOR CONVERTING MOLTEN POLYMERIC MATERIAL INTO POLYMER FLAKE AND THE LKE WHICH COMPRISES IN COMBINATION (1) AN EXTRUSION HEAD THROUGH WHICH SAID MOLTEN POLYMERIC MATERIAL IS EXTRUDED IN THE FORM OF A RIBBON, (2) A CASTING WHEEL HAVING A RIM ON WHICH A LENGTH OF RIBBON IS SUPPORTED AS IT ADVANCES AWAY FROM SAID HEAT, (3) A FLUID COOLING SYSTE ARRANED ABOUT SAID RIM FOR COOLING SAID LENGTH OF RIBBON, (4) SHAPED ROLLER MEANS FOR PRESSABLY ENGAGING SAID SUPPORTED LENGTH OF RIBBOB, (5) SUPPLEMENTARY QUENCHING MEANS TO FURTHER COOL SAID RIBBON, (6) DRYING MEANS FOR SAID RIBBON AFTER SUBJECTION TO SAID SUPPLEMENTARY QUENCHING MEANS, (7) A CUTTER FEED-GUIDE COMPRISING A FUNNEL-SHAPED CHUTE-HAVING LONGITUDINAL, SPACED RIBS TO PROVIDE A PATH OF MINERAL FRICTION FOR SAID RIBBON, (8) ADVANCING MEANS FOR ADVANCING SAID RIBBON THROUGH SAID CHUTE, AND (9) CUTTER MEANS ARRNGED TO CUT SAID RIBBON INTO FLAKE AS IT EMERGES FROM SAID CHUTE.
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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |