US3193878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual extrusion die
Assignee: Millennium Petrochemicals Inc
•
Filing: 1962-10-23
•
Granted: 1965-07-13
•
Expires: 1982-10-23
Abstract
No abstract record available.
Inventors
- 👤 Herbert O Corbett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:24
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/025; B29C48/0255; B29C48/03; B29C48/09; B29C48/10; B29C48/25; B29C48/255; B29C48/2556; B29C48/30; B29C48/32; B29C48/335; B29C48/06; B29C48/345
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
IN COMBINATION: A SINGLE EXTRUDER AND A PLURALITY OF EXTRUSION DIES; SAID SINGLE EXTRUDER BEING CONNECTED TO A MANIFOLD INPUT; SAID MANIFOLD INPUT BEING CONNECTED TO A PLURALITY OF MANIFOLD OUTPUTS; ANGULARLY ADJUSTABLE CONNECTION MEANS FOR CONNECTING EACH OF SAID MANIFOLD OUTPUTS TO A RESPECTIVE EXTRUSION DIE RECEIVING CONDUIT; EACH OF SAID EXTRUSION DIE RECEIVING CONDUITS BEING ELONGATED MEMBERS EXTENDING LATERALLY FROM THEIR SAID RESPECTIVE ANGULARLY ADJUSTABLE CONNECTION MEANS; EACH OF SAID ANGULARLY ADJUSTABLE CONNECTION MEANS DEFINING PARALLEL AXES OF ROTATION FOR SAID RESPECTIVE EXTRUSION DIE RECEIVING CONDUITS EACH OF SAID EXTRUSION DIE RECEIVING CONDUITS RECEIVING A RESPECTIVE EXTRUSION DIE OF SAID PLURALITY OF EXTRUSION DIES WHEREBY A PLURALITY OF INDEPENDENT EXTRUSIONS CAN BE DERIVED FROM SAID SINGLE EXTRUDER; EACH OF SAID EXTRUSION DIE RECEIVING CONDUITS BEING ANGULARLY ADJUSTABLE AROUND THEIR SAID RESPECTIVE MANIFOLD OUTPUT WHEREBY THE CENTER TO CENTER SEPARATION BETWEEN SAID PLURALITY OF INDEPENDENT EXTRUSIONS CAN BE CHANGED.
Claim 2
Dependent Claim
150 words
IN COMBINATION: A SINGLE EXTRUDER AND A PLURALITY OF EXTRUSION DIES; SAID SINGLE EXTRUDER BEING CONNECTED TO A MANIFOLD INPUT; SAID MANIFOLD INPUT BEING CONNECTED TO A PLURALITY OF MANIFOLD OUTPUTS; ANGULARLY ADJUSTABLE CONNECTION MEANS FOR CONNECTING EACH OF SAID MANIFOLD OUTPUTS TO A RESPECTIVE EXTRUSION DIE RECEIVING CONDUIT; EACH OF SAID EXTRUSION DIE RECEIVING CONDUITS BEING ELONGATED MEMBERS EXTENDING LATERALLY FROM THEIR SAID RESPECTIVE ANGULARLY ADJUSTABLE CONNECTION MEANS; EACH OF SAID ANGULARLY ADJUSTABLE CONNECTION MEANS DEFINING PARALLEL AXES OF ROTATION FOR SAID RESPECTIVE EXTRUSION DIE RECEIVING CONDUITS EACH OF SAID EXTRUSION DIE RECEIVING CONDUITS RECEIVING A RESPECTIVE EXTRUSION DIE OF SAID PLURALITY OF EXTRUSION DIES WHEREBY A PLURALITY OF INDEPENDENT EXTRUSIONS CAN BE DERIVED FROM SAID SINGLE EXTRUDER; EACH OF SAID EXTRUSION DIE RECEIVING CONDUITS BEING ANGULARLY ADJUSTABLE AROUND THEIR SAID RESPECTIVE MANIFOLD OUTPUT WHEREBY THE CENTER TO CENTER SEPARATION BETWEEN SAID PLURALITY OF INDEPENDENT EXTRUSIONS CAN BE CHANGED.
References Cited (Backward Citations)
US278667A
Cited
US1755464A
Cited
US2214736A
Cited
US2724860A
Cited
US2636218A
Cited
US2952873A
Cited
US2980955A
Cited
US3054143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |