Patent US2636460A successfully refreshed from Google Patents.
US3374714A
Expired / Lapsed
US
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Installations for the manufacture of large-capacity bags
Assignee: Individual
•
Filing: 1965-08-10
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Granted: 1968-03-26
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Expires: 1985-08-10
Abstract
No abstract record available.
Inventors
- 👤 Berghgracht Marius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:44
CPC Classifications
B; B65; B65G; B65G57/00; B65G57/02; B65G57/03; B65G57/06; B65G57/035; B65H; B65H29/00; B65H29/66; B65H33/00; B65H33/12; B65H43/00; B65H43/08; B31; B31B; B31B2150/00; B31B2150/001; B31B2150/0012; B31B2150/003; B31B2155/00; B31B2160/00; B31B2160/10; B31B2160/106; B31B2160/20; B31B2170/00; B31B2170/20; B31B70/00; B31B70/006; B31B70/74; B31B70/92; B31B70/94; B31B70/96; B31B70/98
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
INSTALLATION FOR THE MANUFACTURE OF LARGE-CAPACITY BAGS FROM TUBES OF STRONG PAPER OR THE LIKE, COMPRISING A TUBEMAKER FOR FORMING THE TUBES TO BE TRANSFORMED EACH INTO A BAG AND A BOTTOM-MAKER FOR FORMING A FLAT BOTTOM AT LEAST AT ONE END OF EACH TUBE, CHARACTERIZED IN THAT IT INCLUDES MEANS FOR SUPPORTING A PILE OF TUBES DELIVERED BY THE TUBEMAKER AND INTENDED TO FEED THE BOTTOM-MAKER, A CONTINUOUS CONVEYOR FOR THE BAGS DELIVERED BY THE BOTTOM-MAKER AND PLACED SEPARATELY ON THE CONVEYOR, AND MEANS ARRANGED ADJACENT THE CONVEYOR FOR CONTROLLING THE CORRECT FOLDING OF THE BOTTOMS OF THE BAGS DURING THE PASSAGE OF THE BAGS UNDER THESE CONTROL MEANS, BY CHECKING THE POSITION OF MARKS BEING PART OF THE BOTTOMS, SAID CONTROL MEANS CAUSING THE REJECTION OF THE MALFORMED BAGS.
Claim 2
Dependent Claim
131 words
INSTALLATION FOR THE MANUFACTURE OF LARGE-CAPACITY BAGS FROM TUBES OF STRONG PAPER OR THE LIKE, COMPRISING A TUBEMAKER FOR FORMING THE TUBES TO BE TRANSFORMED EACH INTO A BAG AND A BOTTOM-MAKER FOR FORMING A FLAT BOTTOM AT LEAST AT ONE END OF EACH TUBE, CHARACTERIZED IN THAT IT INCLUDES MEANS FOR SUPPORTING A PILE OF TUBES DELIVERED BY THE TUBEMAKER AND INTENDED TO FEED THE BOTTOM-MAKER, A CONTINUOUS CONVEYOR FOR THE BAGS DELIVERED BY THE BOTTOM-MAKER AND PLACED SEPARATELY ON THE CONVEYOR, AND MEANS ARRANGED ADJACENT THE CONVEYOR FOR CONTROLLING THE CORRECT FOLDING OF THE BOTTOMS OF THE BAGS DURING THE PASSAGE OF THE BAGS UNDER THESE CONTROL MEANS, BY CHECKING THE POSITION OF MARKS BEING PART OF THE BOTTOMS, SAID CONTROL MEANS CAUSING THE REJECTION OF THE MALFORMED BAGS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |