US3238568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple nozzle arrangement for molding machines
Assignee: Barnett Research and Development Co
•
Filing: 1963-06-17
•
Granted: 1966-03-08
•
Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 Louis H Barnett
- 👤 Walter R Cropley
- 👤 Alex H Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:31
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/27; B29C45/28; B29C45/2803; B29C45/03; B29C45/12; B29C45/125; B29C45/2725; B29C2045/277; B29C2045/2791; Y; Y10; Y10S; Y10S425/00; Y10S425/229
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
AN INJECTION NOZZLE ASSEMBLY FOR USE IN AN INJECTION MOLDING MACHINE HAVING AN APERTURED, NOZZLE ASSEMBLY CARRYING MEMBER SUCH AS A PLATEN, SAID NOZZLE ASSEMBLY INCLUDING, IN COMBINATION, AN ADMISSION NOZZLE TIP, SAID NOZZLE TIP HAVING AN ENTERING ORIFICE, A DISCHARGE NOZZLE TIP, SAID NOZZLE TIP HAVING A DISCHARGE ORIFICE, EXTENSION MEANS FOR MAINTAINING THE TIPS IN SPACED AXIAL RELATION TO ONE ANOTHER, SAID EXTENSION MEANS HAVING A PASSAGE THERETHRU GENERALLY ALIGNED WITH THE ORIFICES IN THE NOZZLE TIPS TO THEREBY FORM AN UNOBSTRUCTED FLUID FLOW PATH FROM END TO END OF THE ASSEMBLY, MEANS FOR SECURING THE TIPS TO THE EXTENSION MEANS AND AT LEAST ONE ALIGNING AND GUIDING MEMBER EXTENDING GENERALLY RADIALLY OUTWARDLY FROM THE EXTENSION MEANS A DISTANCE SLIGHTLY LESS THAN THE APERTURE IN THE NOZZLE ASSEMBLY CARRYING MEMBER WITHIN WHICH THE NOZZLE ASSEMBLY IS LOCATED.
Claim 2
Dependent Claim
139 words
AN INJECTION NOZZLE ASSEMBLY FOR USE IN AN INJECTION MOLDING MACHINE HAVING AN APERTURED, NOZZLE ASSEMBLY CARRYING MEMBER SUCH AS A PLATEN, SAID NOZZLE ASSEMBLY INCLUDING, IN COMBINATION, AN ADMISSION NOZZLE TIP, SAID NOZZLE TIP HAVING AN ENTERING ORIFICE, A DISCHARGE NOZZLE TIP, SAID NOZZLE TIP HAVING A DISCHARGE ORIFICE, EXTENSION MEANS FOR MAINTAINING THE TIPS IN SPACED AXIAL RELATION TO ONE ANOTHER, SAID EXTENSION MEANS HAVING A PASSAGE THERETHRU GENERALLY ALIGNED WITH THE ORIFICES IN THE NOZZLE TIPS TO THEREBY FORM AN UNOBSTRUCTED FLUID FLOW PATH FROM END TO END OF THE ASSEMBLY, MEANS FOR SECURING THE TIPS TO THE EXTENSION MEANS AND AT LEAST ONE ALIGNING AND GUIDING MEMBER EXTENDING GENERALLY RADIALLY OUTWARDLY FROM THE EXTENSION MEANS A DISTANCE SLIGHTLY LESS THAN THE APERTURE IN THE NOZZLE ASSEMBLY CARRYING MEMBER WITHIN WHICH THE NOZZLE ASSEMBLY IS LOCATED.
References Cited (Backward Citations)
US2501595A
Cited
US2535436A
Cited
US2567693A
Cited
US2635288A
Cited
US2871516A
Cited
US2871517A
Cited
US3092440A
Cited
US3112523A
Cited
US3032810A
Cited
US3059277A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |