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US3383269A
Expired / Lapsed
US
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Device for separating the side walls of bag formed on a packaging machine
Assignee: Schweizerische Industrie Gesellschaft
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Filing: 1965-10-06
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Granted: 1968-05-14
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Expires: 1985-10-06
Abstract
No abstract record available.
Inventors
- 👤 Kopp Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:52
CPC Classifications
B; B65; B65B; B65B9/00; B65B9/02; B65B9/023; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1737
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A DEVICE FOR SEPARATING THE SIDE WALLS OF BAGS FORMED ON A PACKAGING MACHINE BY THE WELDING TOGETHER OF TWO STRIPS OF MATERIAL COMPRISING WELDING JAWS FOR WELDING TOGETHER SAID STRIPS AND A GUIDE ARRANGED IN THE PATH OF TRAVEL OF THE STRIPS IN FRONT OF THE WELDING JAWS TO LEAD THE TWO SEPARATE STRIPS SIMUTLANEOUSLY TO THE WELDING JAWS THE GUIDE HAVING CONCAVE GUIDE SURFACES ON OPPOSING SIDE WALLS THEREOF AND CONVEX GUIDE SURFACES ON WALLS THEREOF DISPOSED AT AN ANGLE TO THE SIDE WALLS, SUCH THAT ALL POINTS OF THE STIPS MOVING OVER SAID GUIDE SURFACES TRAVERSE THE SAME PATH LENGTH.
Claim 2
Independent Claim
103 words
A DEVICE FOR SEPARATING THE SIDE WALLS OF BAGS FORMED ON A PACKAGING MACHINE BY THE WELDING TOGETHER OF TWO STRIPS OF MATERIAL COMPRISING WELDING JAWS FOR WELDING TOGETHER SAID STRIPS AND A GUIDE ARRANGED IN THE PATH OF TRAVEL OF THE STRIPS IN FRONT OF THE WELDING JAWS TO LEAD THE TWO SEPARATE STRIPS SIMUTLANEOUSLY TO THE WELDING JAWS THE GUIDE HAVING CONCAVE GUIDE SURFACES ON OPPOSING SIDE WALLS THEREOF AND CONVEX GUIDE SURFACES ON WALLS THEREOF DISPOSED AT AN ANGLE TO THE SIDE WALLS, SUCH THAT ALL POINTS OF THE STIPS MOVING OVER SAID GUIDE SURFACES TRAVERSE THE SAME PATH LENGTH.
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) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |