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US3188782A Expired / Lapsed US ⏱️ 0.0 years remaining

Film packaging machine

Assignee: VERSAPAK FILM AND PACKAGING MACHINERY CORP
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Filing: 1961-08-03
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Granted: 1965-06-15
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Expires: 1981-08-03
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Abstract

No abstract record available.

Inventors

  • 👤 Lapides Ezra

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 06:58
CPC Classifications
B; B65; B65B; B65B9/00; B65B9/02; B65B9/026; A; A23; A23G; A23G7/00; A23G7/0012; B65B35/00; B65B35/10; B65B35/22; B65B41/00; B65B41/12; B65B51/00; B65B51/10; B65B51/14; B65B53/00; B65B53/02

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 197 words
A MACHINE FOR WRAPPING ARTICLES IN HEAT SEALABLE FILM COMPRISING A SUPPORT, A TABLE MOUNTED ON SAID SUPPORT, MEANS ON SAID SUPPORT FOR DISPENSING A CONTINUOUS LENGTH OF FILM ABOVE SAID TABLE, MEANS ON SAID SUPPORT FOR DISPENSING A SECOND CONTINUOUS LENGTH OF FILM BELOW SAID TABLE, THE FREE ENDS OF SAID FILMS INITIALLY JOINED TO FORM A CURTAIN OF FILM EXTENDING VERTICALLY IN FRONT OF SAID TABLE, MEANS FOR PUSHING AN ARTICLE FROM SAID TABLE AGAINST SAID CURTAIN OF FILM WHEREBY THE ARTICEL WILL DRAG SUFFICIENT FILM WITH IT TO WRAP THE ARTICLE, AND MEANS MOUNTED TRANSVERSELY ON SAID SUPPORT FOR SIMULTANEOUSLY HEAT SEALING SAID FILMS TO FORM A SLEEVE WRAPPER AROUND THE ARTICLE, SEVERING SAID SLEEVE WRAPPER FROM SAID FILMS, AND HEAT SEALING THE SEVERED WRAPPER FROM SAID FILMS, CONSTITUTE THE CURTAIN OF FILM, AND MEANS FOR HEATING SEALING THE SIDE EDGES OF SAID SLEEVE TO FORM A PERIMETER SEAL AROUND THE ARTICLE, SPACED PARALLEL STRIPS FOR SUPPORTING THE ARTICLE FROM IN FRONT OF SAID TABLE TO THE FRONT OF SAID SUPPORT, AND MEANS FOR TRANSVERSELY ADJUSTING SAID STRIPS AND SAID SIDE EDGE SEALING MEANS, AND MEANS FOR ADJUSTING THE HEIGHT OF SAID SUPPORTING STRIPS.

References Cited (Backward Citations)

US3097462A Cited
US2549122A Cited
US2639567A Cited
US2928217A Cited
US2904943A Cited
US3055606A Cited
US3120726A Cited
US3158973A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-06-14 1968-12-14 1969-06-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-06-14 1972-12-14 1973-06-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-06-14 1976-12-14 1977-06-15 $7700.00 Window Closed / Lapsed

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