US3339441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeding and corrugating means for package wrapping machines
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1965-05-17
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Granted: 1967-09-05
•
Expires: 1985-05-17
Abstract
No abstract record available.
Inventors
- 👤 Haley Michael John Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:29
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/70; B29; B29D; B29D7/00; B65B; B65B41/00; B65B41/12; B65B41/16; B65H23/00; B65H23/02; B29C; B29C71/00; Y; Y10; Y10T; Y10T83/00; Y10T83/343; Y10T83/647; Y10T83/664; Y10T83/6643
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
IN A PACKAGING MACHINE HAVING A FILM WRAPPING STATION AND A SEVERING MEANS FOR SEVERING PORTIONS OF FILM OF PREDETERMINED LENGTH, THE IMPROVEMENT COMPRISING A PUSH-FEEDING MEANS ADAPTED TO IMPART LONGITUDINAL CORRUGATIONS TO SAID FILM AND POSITIONED SUCH THAT THE SEVERING MEANS IS BETWEEN SAID PUSH-FEEDING MEANS AND THE WRAPPING STATION, SAID PUSH-FEEDING MEANS FURTHER COMPRISING TWO PARALLEL SHAFTS ADAPTED TO BE CONTRA-ROTATED AT EQUAL SPEEDS ON WHICH ARE MOUNTED AT INTERVALS ALONG THE LENGTH OF THE SHAFTS PAIRS OF ROLLERS CONSISTING OF A FIRST ROLLER MOUNTED ON ONE SHAFT AND A SECOND ROLLER OF SMALLER DIAMETER THAN SAID FIRST ROLLER MOUNTED ON THE OTHER SHAFT, ONE OF SAID ROLLERS IN EACH PAIR BEING KEYED TO ITS SHAFT AND THE OTHER FREE TO ROTATE ABOUT ITS SHAFT.
Claim 2
Dependent Claim
127 words
IN A PACKAGING MACHINE HAVING A FILM WRAPPING STATION AND A SEVERING MEANS FOR SEVERING PORTIONS OF FILM OF PREDETERMINED LENGTH, THE IMPROVEMENT COMPRISING A PUSH-FEEDING MEANS ADAPTED TO IMPART LONGITUDINAL CORRUGATIONS TO SAID FILM AND POSITIONED SUCH THAT THE SEVERING MEANS IS BETWEEN SAID PUSH-FEEDING MEANS AND THE WRAPPING STATION, SAID PUSH-FEEDING MEANS FURTHER COMPRISING TWO PARALLEL SHAFTS ADAPTED TO BE CONTRA-ROTATED AT EQUAL SPEEDS ON WHICH ARE MOUNTED AT INTERVALS ALONG THE LENGTH OF THE SHAFTS PAIRS OF ROLLERS CONSISTING OF A FIRST ROLLER MOUNTED ON ONE SHAFT AND A SECOND ROLLER OF SMALLER DIAMETER THAN SAID FIRST ROLLER MOUNTED ON THE OTHER SHAFT, ONE OF SAID ROLLERS IN EACH PAIR BEING KEYED TO ITS SHAFT AND THE OTHER FREE TO ROTATE ABOUT ITS SHAFT.
References Cited (Backward Citations)
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Cited
US1956807A
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US2045046A
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US2266362A
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US2517147A
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US2977730A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |