Method and means for applying bag closures or fasteners
Abstract
Abstract A NOVEL METHOD OF A MACHINE FOR APPLYING CLOSURES OF THE FORM DISCLOSED IN CANADIAN PAT. 738,149, ISSUED JULY 12, 1966, ENTITLED "BAG CLOSURE FASTENER." THE MACHINE EMPLOYS THE PROVISION OF A GROUND EDGE ON THE FASTENER AND THE CHARACTERISTIC FACILITY OF THAT FASTENER TO FLEX WHILE BEING APPLIED TO ACHIEVE A SUBSTANTIALLY CONTINUOUS TRAVEL OF THE BAG TO WHICH THE CLOSURE IS APPLIED. ON THE ENTRY OF THE BAG NECK INTO THE MACHINE FEED CONVEYOR A CUTTING MECHANISM RESPONDS TO PARTIALLY SEVER A FASTENER WHICH IS IN A BAG RECEIVING POSITION. THE FEED GATHERS THE BAG NECK INTO THE BAG RECEIVING POSITION WHERE IT IS ENGAGED BY A SECOND PORTION OF THE CONVEYING MECHANISM AND CARRIED THROUGH A PREDETERMINED PATH. THE FASTENER OR CLOSURE IS CARRIED ALONG AN ENGAGEMENT WITH THE BAG NECK THROUGH THE REAR EDGE OF THE CLOSURE BEING WEDGED DOWN AND THE JUNCTION BETWEEN THE CLOSURE BEING APPLIED AND A SUCCEEEDING CLOSURE IS BROKEN BY THE COMBINED MOVEMENT OF THE CLOSURE AND THE BAG.
Inventors
- 👤 Stanley A C Browning
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-22 | 1975-05-24 | 1975-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-22 | 1979-05-24 | 1979-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-22 | 1983-05-24 | 1983-11-23 | $7700.00 | Window Closed / Lapsed |