Apparatus for encapsulation under vacuum
Abstract
Abstract A VACUUM CHAMBER IS FORMED BY MEANS OF A SIDE WALL PORTION AND BASE AND COVER PORTIONS WHICH ARE FITTED TO THE SIDE WALL PORTION IN VACUUM TIGHT RELATIONSHIP. THE COVER PORTION IS TRANSPARENT TO PERMIT VIEWING OF THE CONTENTS OF THE CHAMBER AND HAS AN ACCESS OPENING IN WHICH A DISPENSER DEVICE IS SUPPORTED. A TURNTABLE IS SUPPORTED IN THE BASE PORTION, THIS TURNTABLE BEING MANUALLY ROTATABLE FROM OUTSIDE OF THE CHAMBER. WITH ARTICLES TO BE ENCAPSULATED OR IMPREGNATED PLACED IN THE CHAMBER ON THE TURNABLE , THE CHAMBER IS EVACUATED AND ENCAPSULATING MATERIAL DISPENSED THEREON FROM THE DISPENSER DEVICE. THE TURNTABLE IS ROTATABLE AND THE DISPENSER DEVICE. THE TURNTABLE TATE APPLICATION OF THE ENCAPSULATING MATERIAL TO THE ARTICLES.
Inventors
- 👤 Arthur J Devine
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) | 1975-05-23 | 1975-11-22 | 1976-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-23 | 1979-11-22 | 1980-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-23 | 1983-11-22 | 1984-05-23 | $7700.00 | Window Closed / Lapsed |