Patent US4444810A successfully refreshed from Google Patents.
US4444810A
Expired / Lapsed
US
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Apparatus for treating granular material by drying, film-coating or coating
Assignee: Individual
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Filing: 1982-07-14
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Granted: 1984-04-24
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Expires: 2002-07-14
Abstract
Abstract In a drum which is rotatable about a horizontal axis of rotation, inlet and outlet lines for a gas, for drying a material contained in the drum, are connected to an immersion body. The immersion body has inlet and outlet openings for the gas and is disposed within the drum to be immersed in the material. The immersion body contains a tunnel through which the material can flow and has arranged in its interior at least some of the inlet and outlet openings for the gas.
Inventors
- 👤 Herbert Huttlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:45
CPC Classifications
F; F26; F26B; F26B11/00; F26B11/02; F26B11/04; F26B11/0463; F26B11/0477; F26B11/0486; A; A23; A23B; A23B9/00; A23B9/08; A23B9/14; A23G; A23G3/00; A23G3/02; A23G3/20; A23G3/26; A61; A61J; A61J3/00; A61J3/005; B; B01; B01J; B01J2/00; B01J2/006; B01J8/00; B01J8/08; B01J8/10; B05; B05C; B05C19/00; B05C19/02; F26B11/028
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
127 words
Apparatus for treating granular material by drying, film-coating, or coating, comprising: a drum, which is rotatable about an at least approximately horizontal axis, having a shell and a pair of axially spaced end wall portions arranged at opposite ends of said shell; inlet and outlet lines for supplying and removing, respectively, a gas for drying the material; and an immersion body having a plurality of gas inlet and outlet openings communicating, respectively, with said inlet and outlet lines, said immersion body being disposed within said drum and arranged to be immersed in the granular material, and wherein said immersion body defines an interior portion containing at least some of said gas inlet and outlet openings, said interior portion including a tunnel through which the material can flow.
Claim 2
Dependent Claim
127 words
Apparatus for treating granular material by drying, film-coating, or coating, comprising: a drum, which is rotatable about an at least approximately horizontal axis, having a shell and a pair of axially spaced end wall portions arranged at opposite ends of said shell; inlet and outlet lines for supplying and removing, respectively, a gas for drying the material; and an immersion body having a plurality of gas inlet and outlet openings communicating, respectively, with said inlet and outlet lines, said immersion body being disposed within said drum and arranged to be immersed in the granular material, and wherein said immersion body defines an interior portion containing at least some of said gas inlet and outlet openings, said interior portion including a tunnel through which the material can flow.
Claim 3
Dependent Claim
54 words
Apparatus as claimed in claim 1, wherein said immersion body has a forward end exposed to the inflow of material, and wherein said tunnel communicates with said forward end and has, at said forward end, an inside width which is approximately 75% to 95% of the smallest axial distance between said end wall portions.
Claim 4
Dependent Claim
22 words
Apparatus as claimed in claim 2, wherein said immersion body has at its forward end at least one said gas inlet opening.
Claim 5
Dependent Claim
19 words
Apparatus as claimed in claim 1, wherein said immersion body has a forward end with a sharp inlet edge.
Claim 6
Dependent Claim
36 words
Apparatus as claimed in claim 1, wherein said immersion body has a forward end and a rear portion, said tunnel communicating with said rear portion and having a smaller inside width than at said forward end.
Claim 7
Dependent Claim
38 words
Apparatus as claimed in claim 1, wherein said immersion body has a rectangular cross section in a plane which contains the axis of rotation of said drum and is perpendicular to the direction of flow of the material.
Claim 8
Dependent Claim
45 words
Apparatus as claimed in claim 1, wherein said immersion body has in said interior an intermediate floor, in which at least some of said gas inlet openings are arranged, and an intermediate ceiling, in which at least some of said gas outlet openings are arranged.
Claim 9
Dependent Claim
63 words
Apparatus as claimed in claim 7, comprising a second inlet line for supplying a coating material, wherein at least some of said gas inlet openings are formed in a rear zone of said intermediate floor, and wherein forward of said rear zone is arranged in said intermediate floor at least one second inlet opening for coating material communicating with said second inlet line.
Claim 10
Dependent Claim
29 words
Apparatus as claimed in claim 8, comprising a third inlet means for introducing a medium for wetting the material arranged forward of the at least one second inlet opening.
Claim 11
Dependent Claim
17 words
Apparatus as claimed in claim 9, wherein said third inlet means is arranged in said immersion body.
Claim 12
Dependent Claim
17 words
Apparatus as claimed in claim 10, wherein said third inlet means is arranged in said intermediate floor.
Claim 13
Dependent Claim
19 words
Apparatus as claimed in claim 9, wherein said third inlet means is arranged in front of said immersion body.
Claim 14
Dependent Claim
18 words
Apparatus as claimed in claim 9, 10, 11, or 12, wherein said third inlet means includes a nozzle.
Claim 15
Dependent Claim
38 words
Apparatus as claimed in claim 1, 2, 3, 4, 5, 6, 7, 8, or 9, wherein said shell portion defines a space, and wherein said end wall portions are at least approximately frustum-shaped and extend into said space.
Claim 16
Independent Claim
130 words
A method of treating granular material in a drum which is rotatable about an at least approximately horizontal axis, said drum having a shell and a pair of axially spaced end wall portions adjoining opposite ends of said shell, and an immersion body disposed within said drum and arranged to be immersed in the granular material, wherein said immersion body defines an interior portion including a tunnel through which the material can flow, comprising the steps of: rotating said drum for causing said material to enter a forward end of said immersion body and to flow through said tunnel; supplying gas to, and removing gas from, said interior portion of the immersion body, through a plurality of gas inlet and outlet openings in said interior portion, for drying said material.
Claim 17
Independent Claim
130 words
A method of treating granular material in a drum which is rotatable about an at least approximately horizontal axis, said drum having a shell and a pair of axially spaced end wall portions adjoining opposite ends of said shell, and an immersion body disposed within said drum and arranged to be immersed in the granular material, wherein said immersion body defines an interior portion including a tunnel through which the material can flow, comprising the steps of: rotating said drum for causing said material to enter a forward end of said immersion body and to flow through said tunnel; supplying gas to, and removing gas from, said interior portion of the immersion body, through a plurality of gas inlet and outlet openings in said interior portion, for drying said material.
Claim 18
Dependent Claim
28 words
A method as defined in claim 15, comprising the step of supplying gas to a forward end of said immersion body through at least one gas inlet opening.
Claim 19
Dependent Claim
44 words
A method as defined in claim 15, wherein said tunnel is arranged between an intermediate floor and a intermediate ceiling in said interior, and wherein gas is supplied through inlet openings in said intermediate floor and removed through outlet openings in said intermediate ceiling.
Claim 20
Dependent Claim
60 words
A method as defined in claim 17, wherein said gas is supplied through inlets in a rear zone of said intermediate floor, and wherein forward of said rear zone is arranged in said intermediate floor at least one second inlet opening, and comprising the step of supplying a coating material through said second inlet opening for coating said granular material.
Claim 21
Dependent Claim
39 words
A method as defined in claim 18, comprising the step of introducing a medium for wetting the material, through at least one of a nozzle and a third inlet opening arranged in or in front of said immersion body.
Claim 22
Dependent Claim
23 words
A method as defined in claim 19, wherein said at least one nozzle or third inlet opening is arranged in said intermediate floor.
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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) | 1987-04-24 | 1987-10-24 | 1988-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-04-24 | 1991-10-24 | 1992-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-04-24 | 1995-10-24 | 1996-04-24 | $7700.00 | Window Closed / Lapsed |