Folder-taper
Abstract
Abstract APPARATUS FOR PRODUCING CORRUGATED BOXES IS PROVIDED WITH CONTINUOUS FOLDING BELTS WHICH CONVEY A FLAT BOX BLANK FORWARD AND SIMULTANEOUSLY, BUT GRADUALLY, FOLD THE OUTER PANELS OF THE BLANK INWARD. AFTER THE OUTER PANELS ARE COMPLETELY FOLDED AND WHILE THE FOLDED BLANK IS STILL BEING MOVED FORWARD BY THE FOLDING BELTS, TAPE IS APPLIED TO THE FOLDED BLANK TO PRODUCE A FOLDED TUBULAR BOX. IMMEDIATELY AFTER APPLICATION OF THE TAPE, THE FOLDED TUBULAR BOX IS DELIVERED TO A SQUARING SECTION, WHERE A SERIES OF SLAPS OR BLOWS ARE DIRECTED AGAINST THE TRAILING EDGE OF THE FOLDED TUBULAR BOX, WITH SUCH SLAPPING BEING DONE AT A TIME BEFORE THE GLUE ON THE TAPE HAS N OPPORTUNITY TO SET TO A CONDITION WHERE STRAIGHTENING WILL BE IMPEDED.
Inventors
- 👤 Albert F Shields
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |