Patent US3282173A successfully refreshed from Google Patents.
US3282173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic bag manufacturing apparatus
Assignee: Paramount Packaging Corp
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Filing: 1963-09-16
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Granted: 1966-11-01
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Expires: 1983-09-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Francis A Davis
- 👤 Joseph F Flannery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:03
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/006; B31B2160/00; B31B2160/10; B31B70/02; B31B70/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
THERMOPLASTIC BAG MANUFACTURING APPARATUS COMPRISING FRAME, AN INTERMITTENT SIDE SEAM WELDER AND CUTTER DISPOSED ON SAID FRAME, FEED MEANS ASSOCIATED WITH SAID FRAME FOR FEEDING A WEB OF THERMOPLASTIC MATERIAL LONGITUDINALLY FOLDED WITH A LOWERMOST PORTION THEREOF EXTENDING FURTHER FROM THE FOLD LINE THAN THE UPPERMOST PORTION THEREOF SO AS TO DEFINE AN EXPOSED LIP PORTION, A PERFORATOR ON SAID FRAME, SAID PERFORATOR INCLUDING AT LEAST ONE SLITTER POSITIONED OVER THE LIP PORTION OF THE WEB AS IT IS FED BY SAID FEED MEANS, A PRINTING UNIT DISPOSED ON SAID FRAME IN SPACED RELATION TO SAID PERFORATOR, SAID PERFORATOR BEING DISPOSED BETWEEN SAID PRINTING UNIT AND SAID SIDE SEAM WELDER AND CUTTER, PHOTOCELL PICK-UP APPARATUS DISPOSED ON SAID FRAME BETWEEN SAID PERFORATOR AND SAID SIDE SEAM WELDER AND CUTTER, DRIVE MEANS FOR SAID APPARATUS, AND MEANS MECHANICALLY COUPLING SAID DRIVE MEANS TO SAID PRINGTING UNIT, SAID PERFORATOR AND SAID SIDE SEAM WELDER AND CUTTER, SAID PHOTOCELL PICK-UP APPARATUS BEING OPERATIVELY CONNECTED TO SAID DRIVE MEANS FOR ACTUATING SAID DRIVE MEANS RESPONSIVE TO PHOTOCELL MARKERS ON SAID WEB, WHEREBY SAID PRINTING UNIT, SAID PERFORATOR AND SAID SIDE SEAM WELDER AND CUTTER ARE CONTROLLED BY SAID PHOTOCELL ASSEMBLY.
Claim 2
Dependent Claim
196 words
THERMOPLASTIC BAG MANUFACTURING APPARATUS COMPRISING FRAME, AN INTERMITTENT SIDE SEAM WELDER AND CUTTER DISPOSED ON SAID FRAME, FEED MEANS ASSOCIATED WITH SAID FRAME FOR FEEDING A WEB OF THERMOPLASTIC MATERIAL LONGITUDINALLY FOLDED WITH A LOWERMOST PORTION THEREOF EXTENDING FURTHER FROM THE FOLD LINE THAN THE UPPERMOST PORTION THEREOF SO AS TO DEFINE AN EXPOSED LIP PORTION, A PERFORATOR ON SAID FRAME, SAID PERFORATOR INCLUDING AT LEAST ONE SLITTER POSITIONED OVER THE LIP PORTION OF THE WEB AS IT IS FED BY SAID FEED MEANS, A PRINTING UNIT DISPOSED ON SAID FRAME IN SPACED RELATION TO SAID PERFORATOR, SAID PERFORATOR BEING DISPOSED BETWEEN SAID PRINTING UNIT AND SAID SIDE SEAM WELDER AND CUTTER, PHOTOCELL PICK-UP APPARATUS DISPOSED ON SAID FRAME BETWEEN SAID PERFORATOR AND SAID SIDE SEAM WELDER AND CUTTER, DRIVE MEANS FOR SAID APPARATUS, AND MEANS MECHANICALLY COUPLING SAID DRIVE MEANS TO SAID PRINGTING UNIT, SAID PERFORATOR AND SAID SIDE SEAM WELDER AND CUTTER, SAID PHOTOCELL PICK-UP APPARATUS BEING OPERATIVELY CONNECTED TO SAID DRIVE MEANS FOR ACTUATING SAID DRIVE MEANS RESPONSIVE TO PHOTOCELL MARKERS ON SAID WEB, WHEREBY SAID PRINTING UNIT, SAID PERFORATOR AND SAID SIDE SEAM WELDER AND CUTTER ARE CONTROLLED BY SAID PHOTOCELL ASSEMBLY.
References Cited (Backward Citations)
US2134057A
Cited
US2690633A
Cited
US2884988A
Cited
US3003907A
Cited
US2947345A
Cited
US3148598A
Cited
US3183797A
Cited
US3168016A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |