US2732585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinner head
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:03
CPC Classifications
D; D01; D01D; D01D4/00; D01D1/00; D01D1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A DEVICE FOR THE EXTRUSION OF FILAMENTS OF A COAGULABLE MATERIAL WHICH COMPRISES AN INDIRECT HEAT EXCHANGER HAVING A SHELL PROVIDED WITH WALLS SUPPORTING A PLURALITY OF CONDUITS IN WHICH THE COAGULABLE MATERIAL IS HEATED WHILE PASSING THERETHROUGH BY HEAT TRANSFERRED THROUGH THE CONDUITS FROM A HEATING MEDIUM CIRCULATING THROUGH THE SHELL ON THE OUTSIDE OF THE CONDUITS, A CUP-SHAPED SPINNERET PROVIDED WITH ORIFICES THROUGH WHICH THE HEATED COAGULABLE MATERIAL IS EXTRUDED IN THE FORM OF FILAMENTS AND A PROJECTING FLANGE OF HIGH THERMAL CONDUCTIVITY ATTACHED TO A CONDUIT OUTLET WALL AND EXTENDING INTO THE SPINNERET IN ORDER TO SUPPLY HEAT FROM THE HEATING MEDIUM TO THE COAGULABLE MATERIAL IMMEDIATELY ADJACENT TO THE SPINNERET ORIFICES.
Claim 2
Independent Claim
115 words
A DEVICE FOR THE EXTRUSION OF FILAMENTS OF A COAGULABLE MATERIAL WHICH COMPRISES AN INDIRECT HEAT EXCHANGER HAVING A SHELL PROVIDED WITH WALLS SUPPORTING A PLURALITY OF CONDUITS IN WHICH THE COAGULABLE MATERIAL IS HEATED WHILE PASSING THERETHROUGH BY HEAT TRANSFERRED THROUGH THE CONDUITS FROM A HEATING MEDIUM CIRCULATING THROUGH THE SHELL ON THE OUTSIDE OF THE CONDUITS, A CUP-SHAPED SPINNERET PROVIDED WITH ORIFICES THROUGH WHICH THE HEATED COAGULABLE MATERIAL IS EXTRUDED IN THE FORM OF FILAMENTS AND A PROJECTING FLANGE OF HIGH THERMAL CONDUCTIVITY ATTACHED TO A CONDUIT OUTLET WALL AND EXTENDING INTO THE SPINNERET IN ORDER TO SUPPLY HEAT FROM THE HEATING MEDIUM TO THE COAGULABLE MATERIAL IMMEDIATELY ADJACENT TO THE SPINNERET ORIFICES.
References Cited (Backward Citations)
US1176612A
Cited
US1450131A
Cited
US1918816A
Cited
US2272880A
Cited
US2369553A
Cited
US2425782A
Cited
US2514189A
Cited
US2586970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |