Apparatus for the continuous forming of fibrous products by continuously compressing and curing binder containing fibrous material
Abstract
Abstract CONTINUOUS METHOD OF CONSOLIDATING, SHAPING AND SETTING A MOVING, LOW DENSITY LOOSE MASS OF FIVERS CONTAINING BINDER THROUGHOUT TO PRODUCE PERMANENTLY SHAPE RETAINING, SMOOTH SURFACED PRODUCTS, COMPRISING IMPARTING TO THE FIBERS AN INITIAL COMPRESSION AND ADVANCING THE CURE OF THE BINDER IN THE AREA ADJACENT THE SURFACES COMPRESSED, THEREAFTER COMPLETING THE COMPRESSION TO FINAL DENSITY AND CONFIGURATION WHILE IRONING SMOOTH THE COMPRESSED SURFACES AND COMPLETING THE CURE OF THE BINDER THROUGHOUT, AND MOVING THE MASS OF FIBERS THROUGH THE AFORESAID OPERATIONS BY APPLYING A PULLING FORCE UPON THE EMERGING BONDED PRODUCT; AND MEANS THERFOR COMPRISING, FOR EXAMPLE, IN SEQUENCE THE COMBINATION OF OPPOSING HEATED ROLLERS AND FIXED OPPOSING HEATED PLATENS WITH A DEVICE FOR APPLYING A MECHANICAL PULLING FORCE.
Inventors
- 👤 Rupert Douglas Terry
- 👤 George John Hannes
- 👤 William Peter Hahn
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) | 1974-06-07 | 1974-12-07 | 1975-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-07 | 1978-12-07 | 1979-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-07 | 1982-12-07 | 1983-06-08 | $7700.00 | Window Closed / Lapsed |