US3008192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for forming plastic articles
Assignee: OI Glass Inc
•
Filing: 1959-03-04
•
Granted: 1961-11-14
•
Expires: 1979-03-04
Abstract
No abstract record available.
Inventors
- 👤 Richard C Allen
- 👤 Leon E Elphee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:39
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/70; B29C45/00; B29C45/03; B29C48/00; B29C48/03; B29C48/09; B29C48/13; B29C48/25; B29C48/30; B29C48/32; B29C48/335; B29C48/34; B29C48/36; B29C48/375; B29C48/388; B29C2949/00; B29C2949/30; B29C2949/3032; B29C2949/3041; B29C48/10; B29C48/345; B29L; B29L2031/00; B29L2031/712; B29L2031/7158
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A PROCESS OF MAKING A PLASTIC ARTICLE BY AN INJECTION MOLDING, EXTRUSION AND BLOWING CYCLE WHEREIN FLUID PLASTICIZED MATERIAL SUPPLIED BY A PLASTICIZER-EXTRUDER IS SEGREGATED FROM AN ORIFICE DURING THE INJECTION MOLDING AND BLOWING PORTIONS OF THE CYCLE AND COMMUNICATION BETWEEN THE PLASTICIZER-EXTRUDER AND ORIFICE IS ESTABLISHED DURING THE EXTRUSION PORTION OF THE CYCLE TO EXPRESS A TUBULAR EXTRUSION THROUGH THE ORIFICE, THE STEPS OF RECIRCULATING THROUGH A CONDUIT EXTERIOR TO SAID PLASTICIZER-EXTRUDER PLASTICIZED MATERIAL SUPPLIED UNDER PRESSURE BY THE PLASTICIZER-EXTRUDER DURING SEGREGATION, THEREBY ACCOMMODATING CONTINUOUS OPERADTION OF THE PLASTICIZER-EXTRUDER, SIMULTANEOUSLY TERMINATING SEGREGATION AND INTERRUPTING RECIRCULATION, AND THEREAFTER CONCURRENTLY SUPPLYING PLASTICIZED MATERIAL FROM THE PLASTICIZER-EXTRUDER AND THE CONDUIT DURING THE EXTRUSION PORTION OF THE CYCLE.
Claim 2
Dependent Claim
116 words
IN A PROCESS OF MAKING A PLASTIC ARTICLE BY AN INJECTION MOLDING, EXTRUSION AND BLOWING CYCLE WHEREIN FLUID PLASTICIZED MATERIAL SUPPLIED BY A PLASTICIZER-EXTRUDER IS SEGREGATED FROM AN ORIFICE DURING THE INJECTION MOLDING AND BLOWING PORTIONS OF THE CYCLE AND COMMUNICATION BETWEEN THE PLASTICIZER-EXTRUDER AND ORIFICE IS ESTABLISHED DURING THE EXTRUSION PORTION OF THE CYCLE TO EXPRESS A TUBULAR EXTRUSION THROUGH THE ORIFICE, THE STEPS OF RECIRCULATING THROUGH A CONDUIT EXTERIOR TO SAID PLASTICIZER-EXTRUDER PLASTICIZED MATERIAL SUPPLIED UNDER PRESSURE BY THE PLASTICIZER-EXTRUDER DURING SEGREGATION, THEREBY ACCOMMODATING CONTINUOUS OPERADTION OF THE PLASTICIZER-EXTRUDER, SIMULTANEOUSLY TERMINATING SEGREGATION AND INTERRUPTING RECIRCULATION, AND THEREAFTER CONCURRENTLY SUPPLYING PLASTICIZED MATERIAL FROM THE PLASTICIZER-EXTRUDER AND THE CONDUIT DURING THE EXTRUSION PORTION OF THE CYCLE.
References Cited (Backward Citations)
US1872327A
Cited
US2253155A
Cited
US2485523A
Cited
US2887716A
Cited
US2804654A
Cited
US2710987A
Cited
US2871516A
Cited
US2890491A
Cited
US2881477A
Cited
FR1170301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-13 | 1965-05-15 | 1965-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-13 | 1969-05-15 | 1969-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-13 | 1973-05-15 | 1973-11-14 | $7700.00 | Window Closed / Lapsed |