Package-trimming apparatus for a skin-packaging machine
Abstract
Abstract A PACKAGE-TRIMMING APPARATUS FOR USE WITH A PACKAGING MACHINE WHICH ENCASES A PLURALITY OF ARTICLES ON A SINGLE BASE PAD OR SUBSTRATE IN A THIN FILM OF THERMOPLASTIC MATERIAL TO FORM A LARGE COMPOSITE SKIN PACKAGETHE APARATUS HAS A PACKAGE-ADVANCING MEANS FOR MOVING THE INITIALLY FORMED COMPOSITE SKIN PACKAGE THROUGH A TRIMMING STATION HAVING SECTIONING MEANS TO DIVIDE SAME INTO DISCRETE OR INDIVIDUAL SKIN PACKAGES. THE PACKAGEADVANCING MEANS INCLUDES A PUSHER BAR MEANS COUPLED TO A TORQUE MOTOR RESPONSIVE TO THE AMOUNT OF FORCE EXERTED BACK AGAINST THE PUSHER MEANS SO AS TO EFFECT A SLIP OR PLAY IN THE PUSHER BAR MEANS WHEREBY TO PREVENT UNDESIRABLE BUCKING OF THE SUBSTRATE DURING SECTIONING THEREOF. A PROGRAM BAR AND SWITCH CONTROLS INTERMITTENT TRANSVERSE SLITTING OF THE SUBSTRATE AUTOMATICALLY AS THE COMPOSITE PACKAGE IS MOVED LONGITUDINALLY THROUGH THE SAID SECTIONING STATION.
Inventors
- 👤 Donald R Rorer
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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |