US3325968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for sealing cartons
Assignee: Fort James Corp
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Filing: 1964-02-27
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Granted: 1967-06-20
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Expires: 1984-02-27
Abstract
No abstract record available.
Inventors
- 👤 Rumberger George Glen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:36
CPC Classifications
B; B65; B65B; B65B7/00; B65B7/16; B65B7/20; B65B51/00; B65B51/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A FILLING AND SEALING APPARATUS FOR CARTONS PROVIDED IN THE FORM OF A TUBE HAVING OPEN OUTER END FLAPS AT EACH END CONTAINING A THERMOPLASTIC ADHESIVE WHICH COMPRISES: (A) MEANS FOR CONVEYING SAID CARTONS IN UPRIGHT POSITION; (B) A BOTTOM SEALING STATION COMPRISING (1) A HEATING MEANS HAVING VERTICALLY ORIENTED SLOTS ADAPTED TO RECEIVE AND HEAT THE OUTER END FLAPS AT THE BOTTOM OF SAID CARTONS WHILE THEY ARE MAINTAINED IN DOWNWARDLY EXTENDED POSITION, (2) MEANS FOR FOLDING SAID OUTER END FLAPS INTO CLOSED POSITION; (C) A LOADING STATION HAVING MEANS FOR FILLING SAID CARTONS; AND (D) A TOP SEALING STATION COMPRISING (1) HEATING MEANS HAVING VERTICALLY ORIENTED SLOTS ADAPTED TO RECEIVE AND HEAT THE OUTER END FLAPS AT THE TOP OF SAID CARTONS WHILE THEY ARE MAINTAINED IN UPWARDLY EXTENDED POSITION, (2) MEANS FOR FOLDING SAID OUTER END FLAPS INTO CLOSED POSITION, AND (3) MEANS FOR RETAINING SAID FLAPS IN CONTIGUOUS RELATIONSHIP UNTIL SAID ADHESIVE SETS.
Claim 2
Dependent Claim
157 words
A FILLING AND SEALING APPARATUS FOR CARTONS PROVIDED IN THE FORM OF A TUBE HAVING OPEN OUTER END FLAPS AT EACH END CONTAINING A THERMOPLASTIC ADHESIVE WHICH COMPRISES: (A) MEANS FOR CONVEYING SAID CARTONS IN UPRIGHT POSITION; (B) A BOTTOM SEALING STATION COMPRISING (1) A HEATING MEANS HAVING VERTICALLY ORIENTED SLOTS ADAPTED TO RECEIVE AND HEAT THE OUTER END FLAPS AT THE BOTTOM OF SAID CARTONS WHILE THEY ARE MAINTAINED IN DOWNWARDLY EXTENDED POSITION, (2) MEANS FOR FOLDING SAID OUTER END FLAPS INTO CLOSED POSITION; (C) A LOADING STATION HAVING MEANS FOR FILLING SAID CARTONS; AND (D) A TOP SEALING STATION COMPRISING (1) HEATING MEANS HAVING VERTICALLY ORIENTED SLOTS ADAPTED TO RECEIVE AND HEAT THE OUTER END FLAPS AT THE TOP OF SAID CARTONS WHILE THEY ARE MAINTAINED IN UPWARDLY EXTENDED POSITION, (2) MEANS FOR FOLDING SAID OUTER END FLAPS INTO CLOSED POSITION, AND (3) MEANS FOR RETAINING SAID FLAPS IN CONTIGUOUS RELATIONSHIP UNTIL SAID ADHESIVE SETS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |