Continuous motion container molding machine
Abstract
Abstract A CONTINUOUS MOTION CONTAINER MOLDING MACHINE IS PROVIDED WITH COOPERATING MOLDS WHICH OPERATE UPON HEATED THERMOPLASTIC SHEET OR WEB MATERIAL TO FORM DISPOSABLE CONTAINERS. THE HEATED SHEET MATERIAL WEB IS CONTINUOUSLY DELIVERED TO THE COOPERATING MOLDS, THE TRANSFER THEREBETWEEN BEING ACCOMPLISHED BY CIRCUMFERENTIAL WEB CLAMPING MEANS ALONG A COINCIDENTAL PATH WHEN SYNCHRONIZED WITH THE SPEED OF THE MOVING WEB, THEREBY ENABLING THE COOPERATING MOLD MEANS TO FORM THIN-WALL, SUBSTANTIALLY UNIFORM-IN-THICKNESS, CONTAINERS FROM THE MATERIAL CLAMPED OFF FROM THE REMAINDER OF THE MOVING WEB. UNIQUE SUBSTATIONS OF THE CONTINUOUS MOTION CONTAINER MOLDING MACHINE INCLUDING SHEET DELIVERY, WEB CLAMPING, SCRAP REMOVAL, AND CUP EJECTION SUBSTATIONS ARE ALSO DISCLOSED.
Inventors
- 👤 Bryant Edwards
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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |