US3170275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for heat sealing lids on blisters
Assignee: Individual
•
Filing: 1963-09-12
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Granted: 1965-02-23
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Expires: 1983-09-12
Abstract
No abstract record available.
Inventors
- 👤 Howard A Rohdin
- 👤 Adolph A Rohdin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:13
CPC Classifications
B; B65; B65B; B65B7/00; B65B7/16; B65B7/28; B65B7/2842; B65B7/2878; B65B51/00; B65B51/10; B65B51/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A MACHINE FOR SEALING LIDS ONTO PREFORMED CONTAINERS COMPRISING: A PRESSURE UNIT, SAID PRESSURE UNIT HAVING ASSOCIATED THEREWITH SOURCES OF PREDETERMINED VOLTAGES; A CARRIER HAVING MEANS TO POSITON A CONTAINER AND MEANS TO POSITION A LID THEREON; ELECTRODE MEANS FORMED OF ELECTRICALLY CONDUCTIVE BUT RESISTANT MATERIAL, SAID ELECTRODE MEANS BEING SIZED, SHAPED AND LOCATED TO EFFECT A SEAL BETWEEN SAID LID AND SAID CONTAINER; SAID CARRIER BEING MOVABLE INTO ACTIVE RELATIONSHIP WITH SAID PRESSURE UNIT STATION; MEANS OPERATIVE CONCOMITANTLY WITH ARRIVAL OF SAID CARRIER AT SAID PRESSURE UNIT FOR SELECTING A PREDETERMINED ONE OF SAID PREDETERMINED VOLTAGES AND MEANS FOR APPLYING SEALING PRESSURES BETWEEN SAID LID AND SAID CONTAINER; MEANS CONTROLLING THE DURATION OF SAID PRESSURE APPLICATION, AND MEANS CONTROLLING THE APPLICATION OF SAID PREDETERMINED VOLTAGE TO SAID ELECTRODE.
Claim 2
Dependent Claim
129 words
A MACHINE FOR SEALING LIDS ONTO PREFORMED CONTAINERS COMPRISING: A PRESSURE UNIT, SAID PRESSURE UNIT HAVING ASSOCIATED THEREWITH SOURCES OF PREDETERMINED VOLTAGES; A CARRIER HAVING MEANS TO POSITON A CONTAINER AND MEANS TO POSITION A LID THEREON; ELECTRODE MEANS FORMED OF ELECTRICALLY CONDUCTIVE BUT RESISTANT MATERIAL, SAID ELECTRODE MEANS BEING SIZED, SHAPED AND LOCATED TO EFFECT A SEAL BETWEEN SAID LID AND SAID CONTAINER; SAID CARRIER BEING MOVABLE INTO ACTIVE RELATIONSHIP WITH SAID PRESSURE UNIT STATION; MEANS OPERATIVE CONCOMITANTLY WITH ARRIVAL OF SAID CARRIER AT SAID PRESSURE UNIT FOR SELECTING A PREDETERMINED ONE OF SAID PREDETERMINED VOLTAGES AND MEANS FOR APPLYING SEALING PRESSURES BETWEEN SAID LID AND SAID CONTAINER; MEANS CONTROLLING THE DURATION OF SAID PRESSURE APPLICATION, AND MEANS CONTROLLING THE APPLICATION OF SAID PREDETERMINED VOLTAGE TO SAID ELECTRODE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |