Patent US3554263A successfully refreshed from Google Patents.
US3554263A
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US
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Discharge apparatus
Assignee: SPX Technologies Inc
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Filing: 1968-04-09
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Granted: 1971-01-12
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Expires: 1988-04-09
Abstract
Abstract Discharge apparatus for rotary thin film processors having a product discharge section for expelling treated product and a pump having intake elements positioned in close contact to the treated product being expelled.
Inventors
- 👤 Thomas H Bachmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:52
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/22; B01D1/222; B01D1/223; B01D1/225
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
31 words
Evaporator as claimed in claim 1 wherein the means mounted within the treatment chamber comprise a rotor carrying a plurality of blades, said blades extending in proximity to the inner wall.
Claim 2
Dependent Claim
28 words
Evaporator as claimed in claim 1 wherein the pump intake elements are mounted in a casing portion formed integrally of the treatment chamber and adjacent the discharge outlet.
Claim 3
Dependent Claim
49 words
Evaporator as claimed in claim 1 wherein the pump intake elements are mounted in a pumping unit having one side secured to the outside of the treatment chamber and a film receiving opening communicating with the discharge outlet, and said pump intake elements extend partially into said film-receiving opening.
Claim 4
Dependent Claim
31 words
Evaporator as claimed in claim 1 wherein the inner wall of the treatment chamber is generally vertically oriented and the discharge outlet is located in the lowermost portion of the wall.
Claim 5
Dependent Claim
29 words
Evaporator as claimed in claim 5 wherein the means mounted within the treatment chamber comprise a rotor carrying a plurality of blades extending in proximity to the inner wall.
Claim 6
Dependent Claim
28 words
Evaporator as claimed in claim 5 wherein the pump intake elements are mounted in a casing portion formed integrally of the treatment chamber and adjacent the discharge outlet.
Claim 7
Dependent Claim
48 words
Evaporator as claimed in claim 5 wherein the pump intake elements are mounted in a pump unit having one side secured to the outside of the treatment chamber and a film-receiving opening communicating with the discharge outlet, and said pump intake elements extend partially into said film-receiving opening.
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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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |