Electrically heated die-cutting apparatus
Abstract
Abstract A DIE-CUTTING APPARATUS HAVING A DIE BLADE CONNECTED INTO AN ELECTRICAL CIRCUIT AND ADAPTED TO HAVE THE THE BLADE ELECTRICALLY RESISTIVELY HEATED BY THE METHOD OF PASSING AN ALTERNATING CURRENT THERETHROUGH AND A METHOD FOR USING ELECTRICALLY RESISTIVELY HEATED DIE BLADES FOR DIE-CUTTING A GRAPHIC PATTERN FROM A THIN CUTTABLE MATERIAL LAYER IS SHOWN. IN ONE EMBODIMENT OF A DIE-CUTTING APPARATUS, A PLURALITY OF DIE BLADE SEGMENTS IS FORMED INTO A GRAPHIC PATTERN, IS ELECTRICALLY CONNECTED IN AN ELECTRICALLY CONDUCTIVE NETWORK AND IS RESISTIVELY HEATED BY PASSING AN ALTERNATING CURRENT THERETHROUGH. THE APPARATUS IS ADAPTABLE TO BOTH KISS CUTTING AND THROUGH CUTTING. THE ELECTRICALLY HEATED DIE BLADE MAY BE SUBSTANTIALLY ENCLOSED IN A HEAT-INSULATING FOAMY LAYER TO RETARD HEAT DISSIPATION.
Inventors
- 👤 Albert Kenneth Olson
- 👤 Raymond C Lundell
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |