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US3339441A Expired / Lapsed US ⏱️ 0.0 years remaining

Feeding and corrugating means for package wrapping machines

Assignee: Imperial Chemical Industries Ltd
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Filing: 1965-05-17
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Granted: 1967-09-05
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Expires: 1985-05-17
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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 08:41
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)

US549027A Cited
US1956807A Cited
US2045046A Cited
US2266362A Cited
US2517147A Cited
US2977730A Cited

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

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