Packages for sheet material
Abstract
Abstract THIS APPLICATION DESCRIBES A METHOD OF PACKING A STACK OF FLEXIBLE SHEET MATERIAL WHICH COMPRISES THE STEPS OF POSITIONING FOUR CORNER PIECES MADE OF A RELATIVELY STRONG MATERIAL SO AS TO EMBRACE EACH OF THE FOUR CORNERS OF STACK TO FORM A SUBSTANTIALLY TIGHT FIT THEREON, PLACING A LENGTH OF STRAPPING MATERIAL SO THAT IT PASSES AROUND EACH OF THE POSITIONED CORNER PIECES, APPLYING TENSION TO THE LENGTH OF STRAPPING MATERIAL SO CAUSING THE CORNER PIECES TO PULL INTO CLOSE CONTACT WITH THE STACK OF FLEXIBLE SHEET MATERIAL AND THEN JOINING THE LENGTH OF STRAPPING MATERIAL TO FORM A TENSION BAND AROUND THE PACK, THERE BEING APPLIED TO THE STACK TWO SHEETS OF RIGID MATERIAL ON THE OPPOSITE FACES OF THE STACK, AS A STEP PRECEDING THE APPLICATION OF TENSION TO THE STRAPPING MATERIAL, SAID SHEETS OF RIGID MATERIAL SERVING TO DISABLE THE STACK FROM FLEXING. D R A W I N G
Inventors
- 👤 P Rutter
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) | 1976-03-12 | 1976-09-11 | 1977-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-12 | 1980-09-11 | 1981-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-12 | 1984-09-11 | 1985-03-13 | $7700.00 | Window Closed / Lapsed |