US4137646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drum-type drier for fabric
Assignee: Boewe Boehler and Weber KG
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Filing: 1977-06-14
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Granted: 1979-02-06
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Expires: 1997-06-14
Abstract
Abstract A drum-type drier for fabric in which the drying drum has a perforated periphery and is mounted in a housing for rotation about a horizontal axis. The housing has, opposite an end wall of the drum, at least one door or flap. The fabric web is guided over the periphery of the drum. According to the invention, the cooler for the drying gas, generally air, is mounted within the housing on this door or flap.
Inventors
- 👤 Heinrich Fuhring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:24
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B13/14; F26B21/00; F26B21/20; F26B21/30; F26B21/33; F26B21/333
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
164 words
A drum-type drier comprising: a housing; a drying drum journaled in said housing for rotation about a horizontal axis; means for feeding a textile web over the periphery of said drum; means for distributing a drying gas over said web, said housing being formed with a pair of walls each juxtaposed with an end of said drum and disposed along said axis, at least one of said walls forming a door affording access to the interior of said housing; and a cooler for said gas lying along said axis between an inner surface of said door and the respective end of said drum and rendered accessible upon opening of said door, said cooler being formed with inlet and outlet fittings for a coolant adapted to traverse said cooler, said fittings extending through said door, said drum having a perforated cylindrical periphery traversed by said gas and said end of said drum being formed with windows open toward said cooler, the axis intersecting the cooler.
Claim 2
Dependent Claim
164 words
A drum-type drier comprising: a housing; a drying drum journaled in said housing for rotation about a horizontal axis; means for feeding a textile web over the periphery of said drum; means for distributing a drying gas over said web, said housing being formed with a pair of walls each juxtaposed with an end of said drum and disposed along said axis, at least one of said walls forming a door affording access to the interior of said housing; and a cooler for said gas lying along said axis between an inner surface of said door and the respective end of said drum and rendered accessible upon opening of said door, said cooler being formed with inlet and outlet fittings for a coolant adapted to traverse said cooler, said fittings extending through said door, said drum having a perforated cylindrical periphery traversed by said gas and said end of said drum being formed with windows open toward said cooler, the axis intersecting the cooler.
Claim 3
Dependent Claim
37 words
The drum-type drier defined in claim 1, further comprising an array of adjustable vanes each swingable about a horizontal axis for distributing the gas emerging from said one of said ends of said drum over said cooler.
Claim 4
Dependent Claim
41 words
The drum-type drier defined in claim 1 wherein said cooler is spaced from said one of said ends of said drum, the space between said cooler and said one of said ends being connected to an intake side of a blower.
Claim 5
Dependent Claim
82 words
The drum-type drier defined in claim 1 wherein said housing is formed with a plenum chamber below said drum, each of said walls is formed with an openable door and carries a respective cooler spacedly juxtaposed with a respective end of said drum, the spaces between said ends of said drum and the respective cooler communicating with said chamber, said drier further comprising a blower having an intake side connected to said chamber and a discharge side communicating with a gas heater.
Claim 6
Dependent Claim
86 words
The drum-type drier defined in claim 4 wherein said housing is formed with a perforated wall juxtaposed with the periphery of said drum and defining a gas distributing compartment in said housing whereby said gas from said heater is directed inwardly generally radially onto said web on said drum, said drum having a cylindrical perforated periphery traversed by said gas upon its passage through said web, said ends of said drum having openings directing the gas from the interior of said drum toward the respective coolers.
Claim 7
Dependent Claim
24 words
The drier defined in claim 5, further comprising a vertical array of horizontally extending vanes tiltable about horizontal axes in each of said spaces.
Claim 8
Dependent Claim
28 words
The drier defined in claim 6 wherein each of said coolers is formed with inlet and outlet fittings extending through the respective door and connected with respective hoses.
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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) | 1982-02-05 | 1982-08-07 | 1983-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-02-05 | 1986-08-07 | 1987-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-02-05 | 1990-08-07 | 1991-02-06 | $7700.00 | Window Closed / Lapsed |