Patent US3937176A successfully refreshed from Google Patents.
US3937176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tablet coating apparatus with unloader
Assignee: Eli Lilly and Co
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Filing: 1975-02-19
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Granted: 1976-02-10
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Expires: 1995-02-19
Abstract
Abstract Tablet coating and polishing apparatus comprising a conventional rotatable pan with a gravity discharge unloader chute connected for rotation therewith. The unloader chute has an inlet associated with the interior of the pan and an outlet exterior of the pan with a substantially truncated conical surface extending therebetween and having a progressively increasing width toward said outlet for gravity unloading of tablets from the pan.
Inventors
- 👤 David W. Nicholson
- 👤 Gerrit J. Diepering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:49
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/005
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
100 words
In a tablet coating pan having an opening and a removable gravity discharge unloader chute with an inlet associated with the interior of said pan the outlet of said chute being removably attached to the edge of said pan opening and an outlet exterior of said pan, for rotation therewith, the improvement comprising a substantially truncated conical bottom wall extending between said chute's inlet and outlet for gravity feeding tablets therebetween and having a progressively increasing width toward said outlet and a top surface cooperating with said bottom wall and a pair of side walls to define said chute's opening.
Claim 2
Dependent Claim
100 words
In a tablet coating pan having an opening and a removable gravity discharge unloader chute with an inlet associated with the interior of said pan the outlet of said chute being removably attached to the edge of said pan opening and an outlet exterior of said pan, for rotation therewith, the improvement comprising a substantially truncated conical bottom wall extending between said chute's inlet and outlet for gravity feeding tablets therebetween and having a progressively increasing width toward said outlet and a top surface cooperating with said bottom wall and a pair of side walls to define said chute's opening.
Claim 3
Dependent Claim
31 words
The improvement in accordance with claim 1 in which the width of said substantially truncated, conical surface at the chute's outlet is at least twice its width at the chute's inlet.
Claim 4
Dependent Claim
15 words
The improvement in accordance with claim 1 in which said attachment comprises a removable clip.
Claim 5
Dependent Claim
14 words
The improvement in accordance with claim 1 in which said attachment comprises a clamp.
References Cited (Backward Citations)
US947196A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-02-09 | 1979-08-11 | 1980-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-02-09 | 1983-08-11 | 1984-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-02-09 | 1987-08-11 | 1988-02-10 | $7700.00 | Window Closed / Lapsed |