← Back to Patent Explorer
US3307325A Expired / Lapsed US ⏱️ 0.0 years remaining

Carton forming and filling machine

Assignee: The Pre-O-Form Corp
•
Filing: 1964-10-21
•
Granted: 1967-03-07
•
Expires: 1984-10-21
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Howard R Garrett
  • 👤 Jr Clarence G Austin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 05:01
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/26; B65B43/265; B31; B31B; B31B50/00; B31B50/004; B31B50/0044

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 250 words
A MACHINE FOR FORMING AND FILLING A TUBULAR CARTON COMPRISING: (A) A FRAME STRUCTURE; (B) A TURNTABLE PIVOTALLY MOUNTED ON SAID STRUCTURE AND INCLUDING MOTIVE MEANS ADAPTED TO ROTATE SAID TURNTABLE RELATIVE TO SAID FRAME STRUCTURE ABOUT AN AXIS OF ROTATION IN AN ARCUATE STEPPED MOVEMENT; (C) A PLURALITY OF SPACED MANDRELS MOUNTED ON SAID TURNTABLE WITH THEIR LENGTH SUBSTANTIALLY PARALLEL TO THE AXIS OF ROTATION OF THE TURNTABLE; (D) A PLURALITY OF WORK SPACE STATIONS POSITIONED ON SAID FRAME STRUCTURE AROUND AND ADJACENT TURNTABLES WITH THE MANDRELS THEREON; (E) A CARTON BLANK, DISPENSING AND LOADING MEANS POSITIONED AT THE FIRST OF SAID STATIONS AND OPERATIVE TO ERECT THE FLAP CARTON BLANK AND ADVANCE THE ERECTED CARTON BLANK ONTO A MANDREL ON THE TURNTABLE; (F) CARTON BLANK BREAK MEANS INCLUDED IN SAID FIRST STATION AND OPERATIVE TO PRE-BEND BOTTOM FLAPS OF SAID CARTON BLANK AT SAID FIRST STATION; (G) HEATING MEANS POSITIONED AT A SECOND OF SAID STATIONS AND OPERATIVE TO HEAT THE PRE-BENT BOTTOM FLAPS OF THE CARTON BLANK; (H) PRESSURE SEALING MEANS POSITIONED AT THE THIRD OF SAID STATIONS AND OPERATIVE TO SEAL THE PRE-BENT AND HEATED BOTTOM FLAPS OF THE CARTON TO SEAL THE BOTTOM OF THE CARTON POSITIONED INVERTED ON THE MANDRELS; (I) TOP FLAP PRE-BREAK MEANS INCLUDED IN SAID THIRD STATION AND OPERATIVE TO FOLD TOP FLAPS OF SAID CARTON BLANK POSITIONED AT THE BOTTOM OF THE MANDREL; (J) CARTON REMOVAL AND INVERTING MEANS POSITIONED AT THE FOURTH OF SAID STATIONS AND OPERATIVE TO REMOVE

References Cited (Backward Citations)

US2957289A Cited
US3196760A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-03-06 1970-09-05 1971-03-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-03-06 1974-09-05 1975-03-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-03-06 1978-09-05 1979-03-07 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag