Platen and slitter means for forming buttonholes
Abstract
Abstract COMBINED PLATEN AND SLITTER OR CUTTING MEANS FOR FORMING BUTTONHOLES IN SHEET OR FABRIC MATERIAL THAT IS FUSIBLE WHEN SUBJECTED TO ULTRASONIC ENERGY, KIELECTRIC ENERGY OR HEAT. THE MEANS COMPRISES ONE OR MORE PAIRS OF MALE AND FEMALE PLATEN MEMBERS HAVING BUTTONHOLE OUTLINE AREAS WHICH MATE TO COMPRESS SHEET MATERIAL THEREBETWEEN. THE MALE PLATEN MEMBER HAS A MATERIAL SLITTER OR BLADE WHICH EITHER PERMANENTLY PROTRUDED THROUGH, OR IS ACTUATED SO AS TO PROTRUDE THROUGH, A SLOT OPENING WITHIN THE PLATEN BUTTONHOLE OUTLINE AREA. THE FEMALE PLATEN HAS A RECESS WITHIN ITS BUTTONHOLE OUTLINE AREA FOR RECEIVING THE CUTTING EDGE OF THE MATERIAL SLITTER. WHEN A PAIR OF COOPERATING MALE AND FEMALE PLATEN MEMBERS ARE BROUGHT TOGETHER WITH SHEET OR FABRIC MATERIAL COMPRESSED THEREBETWEEN, A COMBINED FUSING AND CUTTING ACTION IS PERFORMED WHICH SERVES TO FORM A COMPLETED BUTTONHOLE.
Inventors
- 👤 William D Colianni
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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |