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US3608477A
Expired / Lapsed
US
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Roll press
Assignee: Brackett Geiger GmbH and Co KG
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Filing: 1969-03-27
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Granted: 1971-09-28
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Expires: 1989-03-27
Abstract
Abstract A roll press, particular for pressing raked material in sewage disposal plants, comprises an adjustable feed chute for guiding the material to be pressed into a wedge-shaped nip formed by an upper press roll and a portion of the chute.
Inventors
- 👤 Paul Weber
- 👤 Ignaz Daferner
- 👤 Bertram Botsch
- 👤 Joachim Dittirch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:43
CPC Classifications
C; C02; C02F; C02F11/00; C02F11/12; C02F11/121; B; B30; B30B; B30B9/00; B30B9/02; B30B9/20
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
135 words
A roll press, particularly for raked material, comprising in combination: a frame; at least one roll rotatable about an axis and movable in such a manner that said axis in any position is parallel to the axis in any other position; first guide means connected to said roll at said axis and connected to said frame and operable to guide said roll throughout said positions; a chute adjacent the periphery of said roll and defining with said periphery a passage for saiD material, said chute being adjustably pivotable relative to said roll for varying the depth of said passage; and second guide means connected to said frame and connected to said chute at least at two points spaced apart from each other and operative to adjust the position of said chute relative to said roll.
Claim 2
Dependent Claim
135 words
A roll press, particularly for raked material, comprising in combination: a frame; at least one roll rotatable about an axis and movable in such a manner that said axis in any position is parallel to the axis in any other position; first guide means connected to said roll at said axis and connected to said frame and operable to guide said roll throughout said positions; a chute adjacent the periphery of said roll and defining with said periphery a passage for saiD material, said chute being adjustably pivotable relative to said roll for varying the depth of said passage; and second guide means connected to said frame and connected to said chute at least at two points spaced apart from each other and operative to adjust the position of said chute relative to said roll.
Claim 3
Dependent Claim
30 words
A roll press as defined in claim 1 wherein said chute is subdivided into undulated counter press elements, at least some of said elements being spaced apart from each other.
Claim 4
Dependent Claim
21 words
A roll press as defined in claim 1 wherein said chute comprises a plurality of counterpress elements placed in spaced relation.
Claim 5
Dependent Claim
20 words
A roll press as defined in claim 3, said counterpress elements being individually swingable around axes parallel to said roll.
Claim 6
Dependent Claim
30 words
A roll press as defined in claim 1 wherein teeth are provided on the surface of said roll, the height of the teeth being between 5 mm. and 40 mm.
Claim 7
Dependent Claim
35 words
A roll press as defined in claim 1, said first guide means comprising a link including two pairs of linked levers, one of each pairs connected to said frame and the other to said roll.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |