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US3242639A Expired / Lapsed US ⏱️ 0.0 years remaining

Film feed for wrapping machines

Assignee: FMC Corp
•
Filing: 1962-12-13
•
Granted: 1966-03-29
•
Expires: 1982-12-13
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Abstract

No abstract record available.

Inventors

  • 👤 Charles M Rosser

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 22:44
CPC Classifications
B; B65; B65B; B65B41/00; B65B41/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 183 words
IN A WRAPPING MACHINE, MEANS FOR DRAWING A THIN FILM FROM A ROLL AND PERIODICALLY PUSH-FEEDING THE END THEREOF SUBSTANTIALLY HORIZONTALLY FROM A FIRST POSITION THROUGH GUIDE MEANS SPACED FROM THE OPPOSITE FACES OF THE FILM TO A REMOTELY LOCATED FILM END CATCHING STATION, CUTTING MEANS LOCATED ADJACENT SAID FIRST POSITION FOR CUTTING THE FILM AFTER THE END OF THE FILM HAS BEEN FED TO THE CATCHING STATION THEREBY PROVIDING A NEW LEADING END FOR THE FILM EXTENDING TO THE SUPPLY, SAID CUTTING MEANS COMPRISING A FIXED BLADE AND A RELATIVELY MOVABLE BLADE, A FIRST FILM CRIMPING MEMBER JUXTAPOSED THE NON-CUTTING FACE OF ONE OF SAID BLADES, A SECOND FILM CRIMPING MEMBER JUXTAPOSED THE CUTTING FACE OF THE OTHER OF SAID BLADES, MEANS RESILIENTLY CONNECTING SAID SECOND FILM CRIMPING MEMBER TO SAID OTHER OF SAID BLADES FOR MOVEMENT RELATIVE THERETO, AND MEANS FOR MOVING AND RELATIVELY MOVABLE BLADE IN CUTTING RELTIONSHIP WITH SAID FIXED BLADE, SAID CRIMPING MEMBERS ENGAGING THE FILM PRIOR TO THE ENGAGEMENT OF THE CUTTING EDGES OF SAID BLADES SO AS TO GRIP AND CRIMP THE FILM PRIOR TO CUTTING.
Claim 2
Dependent Claim 183 words
IN A WRAPPING MACHINE, MEANS FOR DRAWING A THIN FILM FROM A ROLL AND PERIODICALLY PUSH-FEEDING THE END THEREOF SUBSTANTIALLY HORIZONTALLY FROM A FIRST POSITION THROUGH GUIDE MEANS SPACED FROM THE OPPOSITE FACES OF THE FILM TO A REMOTELY LOCATED FILM END CATCHING STATION, CUTTING MEANS LOCATED ADJACENT SAID FIRST POSITION FOR CUTTING THE FILM AFTER THE END OF THE FILM HAS BEEN FED TO THE CATCHING STATION THEREBY PROVIDING A NEW LEADING END FOR THE FILM EXTENDING TO THE SUPPLY, SAID CUTTING MEANS COMPRISING A FIXED BLADE AND A RELATIVELY MOVABLE BLADE, A FIRST FILM CRIMPING MEMBER JUXTAPOSED THE NON-CUTTING FACE OF ONE OF SAID BLADES, A SECOND FILM CRIMPING MEMBER JUXTAPOSED THE CUTTING FACE OF THE OTHER OF SAID BLADES, MEANS RESILIENTLY CONNECTING SAID SECOND FILM CRIMPING MEMBER TO SAID OTHER OF SAID BLADES FOR MOVEMENT RELATIVE THERETO, AND MEANS FOR MOVING AND RELATIVELY MOVABLE BLADE IN CUTTING RELTIONSHIP WITH SAID FIXED BLADE, SAID CRIMPING MEMBERS ENGAGING THE FILM PRIOR TO THE ENGAGEMENT OF THE CUTTING EDGES OF SAID BLADES SO AS TO GRIP AND CRIMP THE FILM PRIOR TO CUTTING.

References Cited (Backward Citations)

GB199507A Cited
US2350244A Cited
US2961814A Cited
US3055154A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-03-28 1969-09-27 1970-03-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-03-28 1973-09-27 1974-03-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-03-28 1977-09-27 1978-03-29 $7700.00 Window Closed / Lapsed

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