US3109196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extruder having an interchangeable injector head
Assignee: Individual
•
Filing: 1960-12-19
•
Granted: 1963-11-05
•
Expires: 1980-12-19
Abstract
No abstract record available.
Inventors
- 👤 Schmidt Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:14
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/46; B29C45/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN AN EXTRUDER FOR INJECTION MOLDING HAVING A CYLINDRICAL MEMBER, A REMOVABLE FIRST SCREW CONVEYOR ROTATABLE IN SAID CYLINDRICAL MEMBER, AND MEANS AT ONE END OF SAID CYLINDRICAL MEMBER FOR ROTATING SAID SCREW CONVEYOR, THE IMPROVEMENT COMPRISING AN INTERCHANGEABLE INJECTION HEAD ATTACHMENT MOUNTABLE ON SAID EXTRUDER ON THE OPPOSITE END FROM SAID ROTATING MEANS AND HAVING A SECOND CONVEYOR SCREW OF A SIZE SELECTED FOR A GIVEN OPERATION IN ACCORDANCE WITH THE SIZE OF AN ARTICLE TO BE EXTRUDED AND DISPOSED IN AXIAL ALIGNMENT WITH SAID FIRST SCREW CONVEYOR, SAID SECOND SCREW CONVEYOR BEING ALIGNED WITH SAID CYLINDRICAL MEMBER AND HAVING MEANS THEREON FOR CONNECTING SAID SECOND SCREW CONVEYOR TO SAID ROTATING MEANS, SAID FIRST SCREW CONVEYOR BEING REPLACEABLE BY A DRIVE SHAFT ADAPTED TO BE CONNECTED TO SAID ROTATING MEANS AND TO SAID SECOND SCREW CONVEYOR.
Claim 2
Dependent Claim
137 words
IN AN EXTRUDER FOR INJECTION MOLDING HAVING A CYLINDRICAL MEMBER, A REMOVABLE FIRST SCREW CONVEYOR ROTATABLE IN SAID CYLINDRICAL MEMBER, AND MEANS AT ONE END OF SAID CYLINDRICAL MEMBER FOR ROTATING SAID SCREW CONVEYOR, THE IMPROVEMENT COMPRISING AN INTERCHANGEABLE INJECTION HEAD ATTACHMENT MOUNTABLE ON SAID EXTRUDER ON THE OPPOSITE END FROM SAID ROTATING MEANS AND HAVING A SECOND CONVEYOR SCREW OF A SIZE SELECTED FOR A GIVEN OPERATION IN ACCORDANCE WITH THE SIZE OF AN ARTICLE TO BE EXTRUDED AND DISPOSED IN AXIAL ALIGNMENT WITH SAID FIRST SCREW CONVEYOR, SAID SECOND SCREW CONVEYOR BEING ALIGNED WITH SAID CYLINDRICAL MEMBER AND HAVING MEANS THEREON FOR CONNECTING SAID SECOND SCREW CONVEYOR TO SAID ROTATING MEANS, SAID FIRST SCREW CONVEYOR BEING REPLACEABLE BY A DRIVE SHAFT ADAPTED TO BE CONNECTED TO SAID ROTATING MEANS AND TO SAID SECOND SCREW CONVEYOR.
References Cited (Backward Citations)
US2734226A
Cited
US1952038A
Cited
US2332829A
Cited
US2438856A
Cited
US2556391A
Cited
US2705342A
Cited
US2629132A
Cited
US2770836A
Cited
US2944288A
Cited
US3025565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |