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US3885376A Expired / Lapsed US ⏱️ 0.0 years remaining

Tobacco processing system and method

Assignee: Research Corp
•
Filing: 1973-02-13
•
Granted: 1975-05-27
•
Expires: 1993-02-13
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Abstract

Abstract Mechanism is provided for sequentially defoliating tobacco leaves; transporting the defoliated leaves through first and second leaf cutters; and transporting the cut leaves to bulk tobacco storage or treatment containers; and the system may include an oscillating distributor to provide uniform distribution of the cut tobacco in the storage or treatment containers.

Inventors

  • 👤 William H Johnson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 07:34
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/16; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6476; Y10T83/6489; Y10T83/6491

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 73 words
A tobacco processing machine comprising a tobacco leaf defoliating means; means for transporting the defoliated leaves from said leaf defoliating means to an elevated position, first and second leaf cutters, means mounting said first and second leaf cutters in structural association with said leaf transporting means for cutting the leaves along mutually perpendicular planes as said defoliated leaves are being transported; and means for directing the cut leaves to bulk container filling means.
Claim 2
Dependent Claim 73 words
A tobacco processing machine comprising a tobacco leaf defoliating means; means for transporting the defoliated leaves from said leaf defoliating means to an elevated position, first and second leaf cutters, means mounting said first and second leaf cutters in structural association with said leaf transporting means for cutting the leaves along mutually perpendicular planes as said defoliated leaves are being transported; and means for directing the cut leaves to bulk container filling means.
Claim 3
Dependent Claim 31 words
The tobacco processing machine as defined in claim 1, including an oscillating distributor at said bulk container filling means to provide uniform distribution of the cut tobacco in the bulk container.
Claim 4
Dependent Claim 18 words
The tobacco processing machine as defined in claim 2, wherein the bulk container comprises a tobacco curing module.
Claim 5
Dependent Claim 27 words
The tobacco processing machine as defined in claim 3 including a container filling sleeve having its lower end connected to the open end of the curing module.
Claim 6
Dependent Claim 22 words
The tobacco processing machine as defined in claim 4 including means for pressing the tobacco in said sleeve into the curing module.
Claim 7
Dependent Claim 32 words
The tobacco processing machine as defined in claim 1, wherein the first leaf cutter comprises a plurality of spaced side-by-side disc cutters and said second leaf cutter comprises a rotating blade knife.
Claim 8
Dependent Claim 24 words
The invention defined in claim 1 wherein the means for transporting the defoliated leaves through the first and second leaf cutters comprise conveyor flights.
Claim 9
Dependent Claim 29 words
The invention defined in claim 7, including leaf pressing means for holding the leaves to the surface of the conveyor flights of the transporting means for the defoliated leaves.
Claim 10
Dependent Claim 25 words
The tobacco processing machine as defined in claim 1, wherein bulk container at the bulk container filling means comprises a temporary cut tobacco holding means.
Claim 11
Dependent Claim 21 words
The tobacco processing machine as defined in claim 1, wherein any one of the transporting means includes bulk tobacco transporting means.

References Cited (Backward Citations)

US2477794A Cited
US2808884A Cited
US2870839A Cited
US2847811A Cited
US2940615A Cited
US3128775A Cited
US3217988A Cited
US3659620A Cited
US3556327A Cited
US3731475A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-05-26 1978-11-25 1979-05-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-05-26 1982-11-25 1983-05-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-05-26 1986-11-25 1987-05-27 $7700.00 Window Closed / Lapsed

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