US3630458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbopulp refining blender and classifier
Assignee: Lukens General Industries Inc
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Filing: 1969-02-10
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Granted: 1971-12-28
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Expires: 1989-02-10
Abstract
Abstract The turbopulp-refining blender and classifier is comprised of a refining chamber having an inlet port and a plurality of blades detachably mounted by securing means on a rotor which is rotatably mounted within the refining chamber. The blades have beveled cutting edges on their opposite ends and are each positioned on the rotor with one end disposed outwardly with respect to the rotational axis of the rotor and with the opposite end pointing inwardly with respect to the rotational axis of the rotor. The refining chamber includes adjustable walls adapted to be moved inwardly and outwardly with respect to the rotor.
Inventors
- 👤 Lloyd D Smiley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:43
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/06; B02C18/14; B02C13/00; B02C13/02; B02C13/06; B02C13/09; B02C13/26; B02C13/282; B02C13/284
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
209 words
A turbo pulp-refining blender and classifier comprising a housing, a refining chamber in said housing, said chamber having inlet and outlet ports, a rotor rotatably mounted within said refining chamber, and a plurality of blades having opposite ends, said blades being detachably mounted on said rotor by securing means, said blades having at least two shredding edges for shredding refining materials and including at least one shredding edge on each said opposite end, each of said blades being positioned on said rotor With one said opposite end being disposed outwardly with respect to the rotational axis of said rotor and with the other said opposite end pointing inwardly with respect to the rotational axis of said rotor, and wherein each of said opposite ends includes two beveled shredding edges facing in opposite directions, said opposite ends of said blades being trapezoidal in cross-sectional shape, the opposite faces of said blades forming the cross-sectional trapezoidal tops and trapezoidal bases, whereby said blades create hydraulic turbulence in said refining materials when said rotor is rotated and said beveled shredding edges cause said refining materials to be subjected alternatively to high and low pressure to further break open the fibers of said refining materials as said blades pass through said refining materials.
Claim 2
Dependent Claim
209 words
A turbo pulp-refining blender and classifier comprising a housing, a refining chamber in said housing, said chamber having inlet and outlet ports, a rotor rotatably mounted within said refining chamber, and a plurality of blades having opposite ends, said blades being detachably mounted on said rotor by securing means, said blades having at least two shredding edges for shredding refining materials and including at least one shredding edge on each said opposite end, each of said blades being positioned on said rotor With one said opposite end being disposed outwardly with respect to the rotational axis of said rotor and with the other said opposite end pointing inwardly with respect to the rotational axis of said rotor, and wherein each of said opposite ends includes two beveled shredding edges facing in opposite directions, said opposite ends of said blades being trapezoidal in cross-sectional shape, the opposite faces of said blades forming the cross-sectional trapezoidal tops and trapezoidal bases, whereby said blades create hydraulic turbulence in said refining materials when said rotor is rotated and said beveled shredding edges cause said refining materials to be subjected alternatively to high and low pressure to further break open the fibers of said refining materials as said blades pass through said refining materials.
Claim 3
Dependent Claim
37 words
The device of claim 1 wherein said blades are spaced apart and are arranged so that the faces forming cross-sectional trapezoidal bases are facing one another and the faces forming cross-sectional trapezoidal tops are facing one another.
Claim 4
Dependent Claim
178 words
A turbo pulp-refining blender and classifier comprising a refiner housing, a cylindrical refining chamber formed within said refiner housing, a rotor rotatably mounted to said refiner housing and extending into the refining chamber, said rotor being adapted to rotate within said refining chamber, a plurality of blades operatively secured to said rotor, said blades being arranged concentrically around the rotational axis of said rotor and protruding radially outwardly therefrom, a pair of arcuate chamber wall plates movably secured to said housing and defining a portion of said refining chamber, said chamber wall plates being movable towards and away from said rotor, a pair of hinged flaps, each said flap being secured to said housing in spaced relationship over a respective said chamber wall plate, and adjustment means engaging said chamber wall plate, said adjustment means extending from said space between said chamber wall plates and said flaps to a position remote from and outside of said space and adapted to be moved selectively to cause said chamber wall plates to be moved towards and away from said rotor.
Claim 5
Dependent Claim
178 words
A turbo pulp-refining blender and classifier comprising a refiner housing, a cylindrical refining chamber formed within said refiner housing, a rotor rotatably mounted to said refiner housing and extending into the refining chamber, said rotor being adapted to rotate within said refining chamber, a plurality of blades operatively secured to said rotor, said blades being arranged concentrically around the rotational axis of said rotor and protruding radially outwardly therefrom, a pair of arcuate chamber wall plates movably secured to said housing and defining a portion of said refining chamber, said chamber wall plates being movable towards and away from said rotor, a pair of hinged flaps, each said flap being secured to said housing in spaced relationship over a respective said chamber wall plate, and adjustment means engaging said chamber wall plate, said adjustment means extending from said space between said chamber wall plates and said flaps to a position remote from and outside of said space and adapted to be moved selectively to cause said chamber wall plates to be moved towards and away from said rotor.
Claim 6
Dependent Claim
25 words
The device of claim 3 wherein said refining chamber includes a single screen wall forming communication from within said chamber to a single outlet compartment.
Claim 7
Dependent Claim
32 words
The device of claim 3 wherein said chamber wall plates are hingedly mounted at an edge thereof to said housing for pivotal movement of said plates toward and away from said rotor.
Claim 8
Dependent Claim
68 words
The device of claim 3 wherein said adjusting means comprise a bolt secured at one end to said arcuate chamber wall plates and a nut threadedly secured to said bolt outside said space in bearing relationship with said flap such that rotation of said nut moves said chamber walls inwardly and outwardly with respect to said rotor to adjust the spacing between said chamber walls and said rotor.
Claim 9
Dependent Claim
172 words
A turbo pulp-refining blender and classifier comprising a refiner housing, a cylindrical refining chamber formed within said refiner housing, said refining chamber including a fine screen wall portion leading to a first outlet compartment and a coarse screen wall portion leading to a second outlet compartment, said coarse screen wall portion having larger apertures therein than said fine screen wall portion, a rotor rotatably mounted to said refiner housing and extending into the refining chamber, said rotor being adapted to rotate within said refining chamber, a plurality of blades operatively secured to said rotor, said blades being arranged concentrically around the rotational axis of said rotor and protruding radially outwardly therefrom, a pair of arcuate chamber wall plates movably secured to said housing and defining a portion of said refining chamber, said chamber wall plates being movable towards and away from said rotor, and adjustment means engaging said chamber wall plates and adapted to be moved selectively to cause said chamber wall plates to be moved toWards and away from said rotor.
Claim 10
Dependent Claim
172 words
A turbo pulp-refining blender and classifier comprising a refiner housing, a cylindrical refining chamber formed within said refiner housing, said refining chamber including a fine screen wall portion leading to a first outlet compartment and a coarse screen wall portion leading to a second outlet compartment, said coarse screen wall portion having larger apertures therein than said fine screen wall portion, a rotor rotatably mounted to said refiner housing and extending into the refining chamber, said rotor being adapted to rotate within said refining chamber, a plurality of blades operatively secured to said rotor, said blades being arranged concentrically around the rotational axis of said rotor and protruding radially outwardly therefrom, a pair of arcuate chamber wall plates movably secured to said housing and defining a portion of said refining chamber, said chamber wall plates being movable towards and away from said rotor, and adjustment means engaging said chamber wall plates and adapted to be moved selectively to cause said chamber wall plates to be moved toWards and away from said rotor.
Claim 11
Dependent Claim
71 words
The device of claim 7 wherein said first and second outlet compartments each include adjustable overflow weirs which are adapted to maintain the level of refined material in said compartments at a height which will cause the refining materials to back up in said refining chamber so that they will be subjected to further shredding action within said refining chamber to insure full breakdown of the fibers of said refining materials.
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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) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |