US3281306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Actuated mold and ejector
Assignee: Reinforced Plastic Container Corp
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Filing: 1963-06-04
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Granted: 1966-10-25
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Expires: 1983-06-04
Abstract
No abstract record available.
Inventors
- 👤 Wilkins William Burdette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:50
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/44; B29C33/442
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN COMBINATION, A MOLD, SAID MOLD HAVING MOLD SEGMENTS TO RECEIVE STRIPS OF MATERIAL HAVING A BONDING RESIN APPLIED TO PORTIONS OF THE SURFACES OF ADJACENT STRIPS FOR BONDING TOGETHER ALL OF SAID STRIPS IN A COMPOSITE STRUCTURE, IN WHICH SAID STRIPS OF MATERIAL ARE FORMED INTO SHAPES COMPLETELY ENCIRCLING THE PERIPHERY OF E RAM TO CLOSE SAID MOLD BY MOVING SAID SEGMENTS TOGETHER TO CLAMP SAID ADJACENT STRIPS TOGETHER, AND TO OPEN SAID MMOLD BY SEPARATING SAID SEGMENTS AN EJECTOR PNEUMATIC RAM, AN EJECTOR COUPLED TO SAID EJECTOR RAM, SAID EJECTOR BEING DIMENNSIONED TO FIT BETWEEN ADJACENT SEGMENTS WHEN SAID MOLD IS CLOSED A SOURCE OF PNEUMATIC PRESSURE, MEANS FOR APPLYING SAID PNEUMATIC PRESSURE TO SAID EJECTOR RAM WHEN SAID MOLD IS CLOSED, AND MEANS FOR APPLYING SAID PNEUMATIC PRESSURE TO SAID MOLD RAM TO OPEN SAID MOLD AT A SUBSEQUENT TIME WHEREBY SAID EJECTOR WILL EJECT SAID COMPOSITE STRUCTURE BEFORE SAID MOLD SEGMENTS ARE MOVED SUFFICIENTLY FAR TO DESTROY SAID STRUCTURE.
Claim 2
Dependent Claim
163 words
IN COMBINATION, A MOLD, SAID MOLD HAVING MOLD SEGMENTS TO RECEIVE STRIPS OF MATERIAL HAVING A BONDING RESIN APPLIED TO PORTIONS OF THE SURFACES OF ADJACENT STRIPS FOR BONDING TOGETHER ALL OF SAID STRIPS IN A COMPOSITE STRUCTURE, IN WHICH SAID STRIPS OF MATERIAL ARE FORMED INTO SHAPES COMPLETELY ENCIRCLING THE PERIPHERY OF E RAM TO CLOSE SAID MOLD BY MOVING SAID SEGMENTS TOGETHER TO CLAMP SAID ADJACENT STRIPS TOGETHER, AND TO OPEN SAID MMOLD BY SEPARATING SAID SEGMENTS AN EJECTOR PNEUMATIC RAM, AN EJECTOR COUPLED TO SAID EJECTOR RAM, SAID EJECTOR BEING DIMENNSIONED TO FIT BETWEEN ADJACENT SEGMENTS WHEN SAID MOLD IS CLOSED A SOURCE OF PNEUMATIC PRESSURE, MEANS FOR APPLYING SAID PNEUMATIC PRESSURE TO SAID EJECTOR RAM WHEN SAID MOLD IS CLOSED, AND MEANS FOR APPLYING SAID PNEUMATIC PRESSURE TO SAID MOLD RAM TO OPEN SAID MOLD AT A SUBSEQUENT TIME WHEREBY SAID EJECTOR WILL EJECT SAID COMPOSITE STRUCTURE BEFORE SAID MOLD SEGMENTS ARE MOVED SUFFICIENTLY FAR TO DESTROY SAID STRUCTURE.
References Cited (Backward Citations)
US2606133A
Cited
US2769481A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |