Cross-web folder for sheet material
Abstract
Abstract D R A W I N G A CROSS-WEB FOLDER FOR FOLDING STRIPS OF SHEET MATERIAL SUCH AS A WEB OF PAPER, EITHER SINGLE OR LAMINATED, PARTICULARLY OF THE TYPE HAVING ROWS OF PERFORATIONS EXTENDING TRANSVERSELY ACROSS THE WEB AT EVENLY SPACED INTERVALS UPON WHICH THE WEB IS TO BE FOLDED INTO WHAT IS KNOWN AS A FAN-FOLDED ARRANGEMENT. THE FOLDER PREFERABLY IS PROVIDED WITH COOPERATING CREASING ELEMENTS WHICH SUCCESSIVELY CREASE THE WEB ALTERNATELY IN REVERSE DIRECTIONS WITH RESPECT TO THE PLANE OF THE WEB TO A LIMITED EXTENT, THE CREASES BEING COINCIDENT WITH PERFORATIONS IF THE WEB CONTAINS THE SAME. FOLDING AND GUIDING MEANS ARE PROVIDED TO EFFECT THE FOLDING OF THE WEB ALONG SAID CREASES INTO A ZIGZAG OR FAN-FOLDED CONFIGURATION AND INCLUDING MEANS TO RECEIVE THE FAN-FOLDED ARRANGEMENT AND HOLD THE FOLDED, CREASED EDGES THEREOF AGAINST RETRACTION INTO THE FOLDER WHILE A CONVEYOR PROGRESSIVELY MOVES THE COMPACT PRODUCT OF FAN-FOLDED AND CONNECTED SECTIONS OF SAID WEB AWAY FROM THE FOLDER FOR SUITABLE PACKAGING OR OTHER OPERATIONS.
Inventors
- 👤 H Faltin
Bibliographic Details
Claims Analysis
Total Claims: 0References 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) | 1976-02-20 | 1976-08-21 | 1977-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-20 | 1980-08-21 | 1981-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-20 | 1984-08-21 | 1985-02-20 | $7700.00 | Window Closed / Lapsed |