US3099492A - Apparatus for feeding tobacco to cigarette-making machines - Google Patents

Apparatus for feeding tobacco to cigarette-making machines Download PDF

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US3099492A
US3099492A US123480A US12348061A US3099492A US 3099492 A US3099492 A US 3099492A US 123480 A US123480 A US 123480A US 12348061 A US12348061 A US 12348061A US 3099492 A US3099492 A US 3099492A
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tobacco
demand
feeder
feed
hopper
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US123480A
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Noel R F Mortimer
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Vokes Ltd
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Vokes Ltd
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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/39—Tobacco feeding devices
    • A24C5/391—Tobacco feeding devices feeding to several cigarette making machines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S131/00—Tobacco
    • Y10S131/909—Sensing condition in feed hopper for cigar or cigarette making

Definitions

  • a tobacco feeding system for a number of tobacco-utilising machines in which there is an intermittent demand for tobacco from each machine
  • a pneumatic suction operated feeding system is employed to draw tobacco from a single feeder device through one or more conduits to dischargers associated with each machine characterised by the provision of control mechanism including searching means by which an immediate demand for feed is signalled from any one discharger to the feeder device and means including a starter for the feeder and feed-diverting means operated upon conclusion of feed to a discharger operable either to stop the feeder device or to divert its output to another machine signalling a demand.
  • a sensing device and switch associated with a hopper of each tobacco utilising machine are employed to signal a demand for feed to that individual machine.
  • a multi-way cam timer rotated several times a minute searches contactors of control circuits associated with each utilising machine. When it makes connection with a contactor of an individual control circuit signalling a demand electric circuits are completed for operating a flap causing pneumatic feed to the discharger in question and for starting the feeder device if this is not already in operation.
  • a contact operated when an individual discharger is ready for emptying completes a circuit which closes an air-trip valve at the feeder device ensuring the emptying of the initial section of the feeder conduit.
  • a time-delay switch permits actual emptying of the individual discharger (by the closing of a flap valve isolating it from suction) and operation of the feeder device starter is deferred until such time as that individual discharger has operated correctly.
  • FIG. 1 is a circuit diagram of the general control system
  • FIG. 2 is a circuit diagram of that part of the control system associated with one individual feed point
  • FIG. 3 is a diagrammatic plan view of a feed system to which the control is applied.
  • the system illustrated in the drawings for controlling a pneumatic feed system such as that shown in FIG. 3 involves six tobacco utilising machines 1 to 6, each fed from a separate hopper 7 to 12 through an opening covered by a flap 13 to 13. There is a switch S S S S S in each hopper 7 to 12, which closes when the hopper is empty.
  • the individual hoppers 7 to 12 are fed from a main feeder 19 with tobacco drawn by suction along a main conduit 20, and branch conduits 21 to 26, one conduit leading to each hopper.
  • each hopper is connected to a suction pipe 27 to 32, which pipes join in a main suction conduit 33 which has a suction unit 34 at its other end.
  • each of the suction pipes 27 to 32 can be sealed off from suction by a flap 36 to 41.
  • flaps 36 to 41 are controlled by solenoids L to L which form part of a subsection A B C D E F of the control system which is associated with each hopper 7 to 12 (see FIG. 2).
  • the main part of the control system (see FIG. 1) which is common to all hoppers 7 to 12, is located in a main control panel 42.
  • the part of the control circuit associated with the main control panel 42 has its input through a live terminal 161 and a neutral terminal 102 and an input switch 103.
  • a neutral line P links the neutral part of the switch 103 to the junction points 104 to Hit.
  • a single live line P joins the live part or" the switch 103 to the junction point 111 and this line includes a power fuse F and the junction point 112.
  • Line P includes contacts C associated with a delay circuit T and links the junction points 113 to 118.
  • Line P forms a loop line to junction point 104 and includes junction points 119 to 125, 126 and 133'.
  • a line P originating at junction point 119 links junction points 127 to 13 1.
  • a timer motor 132 is connected in line P between points and 126 in parallel with the coil L of a relay having a single set of contacts C which are normally closed.
  • Each relay has a coil L and five contacts R R R R R of which R is in opposition to R R R and R which are normally open.
  • a path can be established between one end of each coil L and the appropriate junction point 121 to 125 through one of the contact switches C C C C C C operated by the timer motor 132.
  • a line P including contacts C a sensing device 138, resistance 139 and the delay circuit T links points 137 and 112.
  • the conductors are shown as 201, 202, 203, 204 in all six cases in FIG. 1 and the one set appearing in FIG. 2 are numbered in the same way.
  • pant of the control circuit shown in FIG. 2 say that associated with relay D, there is a circuit between conductors 203 and 284 which includes one arm 140 of a double isolating switch and the hopper switch S There is a circuit from conductor 204 to conductor 202 through the solenoid L the other arm 141 of the isolating switch and a thermal trip 14-2.
  • An indicator I is connected in parallel with the solenoid L and there is a connection from the solenoid L through the tobacco flap 39 to conductor 210.
  • the system for controlling the feeder starter 34, and for disconnecting the solenoid valves 36 to 41 includes the feeder starter 34- itself with one pair of normally closed auxiliary contacts C a normally closed contact C of a single pole relay, and a delayed action relay T with a single set of normally closed contacts C
  • the time motor 132 In the action of the main control panel 42, it will be seen that once a contactor C to C is engaged the time motor 132 must stop when the particular cam breaks its contact.
  • the coil L of the single pole relay is coupled across the timer motor 132 so that when this occurs its contacts C complete a neutral circuit to the feeder starter coil L the live circuit having previously been explained.
  • the starter coil L will then energise and break its normally closed auxiliary contacts C thus preventing the delayed relay T from operating.
  • the discontinuance of the live circuit to the feeder starter coil L will release this, completing the neutral circuit to delayed relay T which will energise after four seconds, disconnecting C and breaking the live holding line P to the contacts R R and the coil L will deenergise, releasing the solenoid valve 39 and allowing material to feed into the receiving hopper 4.
  • a tobacco feeding apparatus including a bulk storage hopper, a number of tobacco-utilizing machines each having an intermittent demand for tobacco, signaling means associated with each machine for signaling such a demand, a discharger including a hopper associated with each machine, a single mechanical feeder device including at least one conduit connecting said feeder device to said dischargers for drawing tobacco from the bulk hopper, and pneumatic suction means for conveying tobacco through said conduits, in combination with a fully automatic control mechanism comprising scanning means for continuously scanning the demand signaling means by which an immediate demand for feed is signaled from any one tobacco utilizing machine to the feeder device, and feeder control means including a starter for the feeder and feed-diverting means operable upon conclusion of feed to a discharger either to stop the feeder device or to divert its output to another machine signaling a demand.
  • said signaling means comprises a sensing device and a switch associated with a hopper of each tobacco-utilizing machine.
  • said scanning means comprises a multi-Way cam timer rotated several times a minute
  • said signaling means includes control circuits having contactors associated with each utilizing machine
  • said feed diverting means includes a flap associated with each hopper
  • said feeder control means includes electric circuits for operating said flaps, said timer being so connected and arranged that when it makes connection with a contactor of an individual machine control circuit signaling a demand the associated flap operating circuit is closed causing pneumatic feed to the associated machine discharger and energizing the starter for the feeder device when not already in operation.
  • control mechanism includes a time-delay switch for closing said flaps to isolate the dischargers from suction permitting emptying of the individual dischargers and deferring operation of the feeder device starter until such time as an individual discharger has operated correctly.
  • a tobacco feeding apparatus including a bulk storage hopper, a number of tobacco-utilizing machines each having an intermittent demand for tobacco, a hopper on each machine, signaling means associated with each of said hoppers for signaling, such a demand including a sensing device and a switch, a single mechanical feeder device drawing tobacco from the bulk hopper, at least one conduit connecting said feeder device to said hoppers, and pnuematic suction means to draw tobacco through said conduits to said hoppers, in combination with a fully automatic control mechanism comprising scanning means for continuously scanning the demand signaling means, feeder control means including a starter for the feeder and feed-diverting means including flaps operatable upon conclusion of feed to a hopper either to stop the feeder device or to divert its output to another machine signaling a demand, control circuits including a contactor associated with each utilizing machine, said scanning means including a multi-way cam timer rotated several times a minute to search said contacts, the timer being arranged so that when it makes connection with a contactor of an individual control circuit signaling
  • each hopper is provided with a flap valve isolating it from suction and said control mechanism includes a time delay switch to permit actual emptying of each individual hopper by closing said isolating flap valves and to defer opera- 6 tion of the feeder device starter until such time as an individual hopper has operated correctly.

Description

July 30, 1963 N. R. F. MORTIMER APPARATUS FOR FEEDING TOBACCO TO CIGARETTE-MAKING MACHINES Filed July 12, 1961 3 sheets-Sheet 1 NVENT R F. MoRTiMER At y- 3m EN EN NQN NOEL R llllm July 30, 1963 MORTlMER 3,099,492
APPARATUS FOR FEEDING TOBACCO 'I'O CIGARETTE-MAKING MACHINES z Sheets-Sheet 2 Filed July 12, 1951 NOE INVENT R NOEL R. MORTIMER 3,9,i92 Patented July 30, 1963 3,999,492 APPARATUS FOR FEEDING TUBAQCO TO CIGARETTE-MAKING MACHINES Noel R. F. Mortimer, Guildtord, Surrey, England, assiguor to Vokes Limited, Guildford, urrey, England Filed July 12, 1961, Ser. No. 123,480 7 Claims. (Cl. 30228) This invention concerns improvements in apparatus for feeding cult tobacco (rag) from a single feed-in point to several tobacco utilising machines.
In the pneumatic conveying of tobacco to cigarettemaking machines it is accepted practice to employ a discharger at each machine which, when it is filled by separation of rag from the air stream to a desired level, opens to allow its contents to fall into the feed hopper of the machine.
It is now common to employ a single exhaust fan to draw tobacco from the single feed-in point (normally hand-fed) to one or more of the several cigarette-making machines. In such known systems maximum efliciency is reached only when the exhaust fan is operating at maximum capacity; and, since there are times when none of the machines is being fed and when supply conduits must be emptied to ensure effective conveyance of rag upon a resumption of feed, a considerable waste of time is involved.
It is the object of the invention to provide a tobaccofeeding system and automatic control therefor which will increase efficiency and cut down time wastage.
According to the invention I provide a tobacco feeding system for a number of tobacco-utilising machines in which there is an intermittent demand for tobacco from each machine wherein a pneumatic suction operated feeding system is employed to draw tobacco from a single feeder device through one or more conduits to dischargers associated with each machine characterised by the provision of control mechanism including searching means by which an immediate demand for feed is signalled from any one discharger to the feeder device and means including a starter for the feeder and feed-diverting means operated upon conclusion of feed to a discharger operable either to stop the feeder device or to divert its output to another machine signalling a demand.
In preferred forms of feeding systems a sensing device and switch associated with a hopper of each tobacco utilising machine are employed to signal a demand for feed to that individual machine. A multi-way cam timer rotated several times a minute searches contactors of control circuits associated with each utilising machine. When it makes connection with a contactor of an individual control circuit signalling a demand electric circuits are completed for operating a flap causing pneumatic feed to the discharger in question and for starting the feeder device if this is not already in operation.
Further in preferred forms of the invention a contact operated when an individual discharger is ready for emptying completes a circuit which closes an air-trip valve at the feeder device ensuring the emptying of the initial section of the feeder conduit.
A time-delay switch permits actual emptying of the individual discharger (by the closing of a flap valve isolating it from suction) and operation of the feeder device starter is deferred until such time as that individual discharger has operated correctly.
The following example of one form of the invention is given by way of example with reference to the accompanying drawings in which:
FIG. 1 is a circuit diagram of the general control system,
FIG. 2 is a circuit diagram of that part of the control system associated with one individual feed point, and
FIG. 3 is a diagrammatic plan view of a feed system to which the control is applied.
The system illustrated in the drawings for controlling a pneumatic feed system such as that shown in FIG. 3 involves six tobacco utilising machines 1 to 6, each fed from a separate hopper 7 to 12 through an opening covered by a flap 13 to 13. There is a switch S S S S S S in each hopper 7 to 12, which closes when the hopper is empty.
The individual hoppers 7 to 12 are fed from a main feeder 19 with tobacco drawn by suction along a main conduit 20, and branch conduits 21 to 26, one conduit leading to each hopper.
The other end of each hopper is connected to a suction pipe 27 to 32, which pipes join in a main suction conduit 33 which has a suction unit 34 at its other end.
There is an air trip 35 in the conduit 2e and each of the suction pipes 27 to 32 can be sealed off from suction by a flap 36 to 41.
These flaps 36 to 41 are controlled by solenoids L to L which form part of a subsection A B C D E F of the control system which is associated with each hopper 7 to 12 (see FIG. 2).
The main part of the control system (see FIG. 1) which is common to all hoppers 7 to 12, is located in a main control panel 42.
The part of the control circuit associated with the main control panel 42 has its input through a live terminal 161 and a neutral terminal 102 and an input switch 103.
A neutral line P links the neutral part of the switch 103 to the junction points 104 to Hit.
A single live line P joins the live part or" the switch 103 to the junction point 111 and this line includes a power fuse F and the junction point 112.
Two live lines P and P originate from junction point 111. Line P includes contacts C associated with a delay circuit T and links the junction points 113 to 118. Line P forms a loop line to junction point 104 and includes junction points 119 to 125, 126 and 133'. A line P originating at junction point 119 links junction points 127 to 13 1.
A timer motor 132 is connected in line P between points and 126 in parallel with the coil L of a relay having a single set of contacts C which are normally closed.
Six five contact make and break relays A, B, C, D, E, F are included in the circuit, one associated with each control A to P Each relay has a coil L and five contacts R R R R R of which R is in opposition to R R R and R which are normally open.
A path can be established between one end of each coil L and the appropriate junction point 121 to 125 through one of the contact switches C C C C C C operated by the timer motor 132.
The contacts R of all six relays are in the loop line P and the energising of any one coil L will break this loop line. This would result in the coil being de-energised but for the establishing of a holding circuit including contacts R and R the coil L and a fuse i (as shown in relay D of the drawing from point 108 in the neutral line P to point 116 in the live line P One end of each contact R is connected to line P save for the contact R of relay A which is connected to junction point 133 in line R, but since no contact R lies between point 133 and point 119, it is the same as if it were connected to line P One end of each contact R is connected to a common line P which contains junction point 134.
From point 134 a line P including the contacts of an air trip 135, a starter coil L (actuating contacts C point 137 and the contacts C leads to point 126.
A line P including contacts C a sensing device 138, resistance 139 and the delay circuit T links points 137 and 112.
Four conductors lead fron1 each relay A to F, to the corresponding control A to P They originate at the free ends of contacts R and R the end of the coil far from the contact C to C and one of the points 105 to 111) in the neutral line P.
The conductors are shown as 201, 202, 203, 204 in all six cases in FIG. 1 and the one set appearing in FIG. 2 are numbered in the same way.
In that pant of the control circuit shown in FIG. 2, say that associated with relay D, there is a circuit between conductors 203 and 284 which includes one arm 140 of a double isolating switch and the hopper switch S There is a circuit from conductor 204 to conductor 202 through the solenoid L the other arm 141 of the isolating switch and a thermal trip 14-2. An indicator I is connected in parallel with the solenoid L and there is a connection from the solenoid L through the tobacco flap 39 to conductor 210.
Assuming the control system is at rest and switches 103, Md and 142 are closed, and a hopper switch, say S is closed indicating a demand, a circuit is formed when the timer 132 closes contact C The coil L of the relay D is energised and the switch R breaks the loop P The contacts R R of the relay D make the hold circuit and the coil L remains energised.
At the same time these two contacts R R put switch S into a neutral circuit to the point 108 so that the contact C is independent of further movements of S The closing of contact R energizes L and the closing of contact R flap 39, and contact R puts the contacts 135 of the air trip 35 in a live cricuit. The air trip 35 operates and energises the feeder starter coil L immediately the air velocity in the conveying pipe 24} has reached a satisfactory level for feed. At the termination of feed, the tobacco flap 39 opens to break the circuit.
The system for controlling the feeder starter 34, and for disconnecting the solenoid valves 36 to 41, includes the feeder starter 34- itself with one pair of normally closed auxiliary contacts C a normally closed contact C of a single pole relay, and a delayed action relay T with a single set of normally closed contacts C In the action of the main control panel 42, it will be seen that once a contactor C to C is engaged the time motor 132 must stop when the particular cam breaks its contact. The coil L of the single pole relay is coupled across the timer motor 132 so that when this occurs its contacts C complete a neutral circuit to the feeder starter coil L the live circuit having previously been explained.
The starter coil L will then energise and break its normally closed auxiliary contacts C thus preventing the delayed relay T from operating. At termination of feed the discontinuance of the live circuit to the feeder starter coil L will release this, completing the neutral circuit to delayed relay T which will energise after four seconds, disconnecting C and breaking the live holding line P to the contacts R R and the coil L will deenergise, releasing the solenoid valve 39 and allowing material to feed into the receiving hopper 4. It will be seen that should the air trip 35 not close, indicating that there is a fault in the pneumatic circuit, or in the solenoid L operation in this circuit, the feeder 34 will not be started and the neutral circuit to the delayed relay T will be maintained completed until the relay D functions to release the contactor C and solenoid L as before.
It will be appreciated that the principle of the invention is not restricted to the features enumerated in the above exemplary system and that modifications of circuit and supply connections achieving similar results will ocd cur to those conversant with the design of electrical controls.
I claim:
1. A tobacco feeding apparatus including a bulk storage hopper, a number of tobacco-utilizing machines each having an intermittent demand for tobacco, signaling means associated with each machine for signaling such a demand, a discharger including a hopper associated with each machine, a single mechanical feeder device including at least one conduit connecting said feeder device to said dischargers for drawing tobacco from the bulk hopper, and pneumatic suction means for conveying tobacco through said conduits, in combination with a fully automatic control mechanism comprising scanning means for continuously scanning the demand signaling means by which an immediate demand for feed is signaled from any one tobacco utilizing machine to the feeder device, and feeder control means including a starter for the feeder and feed-diverting means operable upon conclusion of feed to a discharger either to stop the feeder device or to divert its output to another machine signaling a demand.
2. An apparatus according to claim 1 wherein said signaling means comprises a sensing device and a switch associated with a hopper of each tobacco-utilizing machine.
3. An apparatus according to claim 2 wherein said scanning means comprises a multi-Way cam timer rotated several times a minute, said signaling means includes control circuits having contactors associated with each utilizing machine, said feed diverting means includes a flap associated with each hopper, and said feeder control means includes electric circuits for operating said flaps, said timer being so connected and arranged that when it makes connection with a contactor of an individual machine control circuit signaling a demand the associated flap operating circuit is closed causing pneumatic feed to the associated machine discharger and energizing the starter for the feeder device when not already in operation.
4. An apparatus according to claim 2 wherein an air trip valve is provided in said conduit near said feeder device and each of said dischargers is provided with a contact operated when the individual discharger is ready for emptying, said contact completing a circuit which closes said air trip valve at the feeder device ensuring the emptying of that portion of the conduits connecting the feeder to the said individual discharger.
5. A system according to claim 3 wherein said control mechanism includes a time-delay switch for closing said flaps to isolate the dischargers from suction permitting emptying of the individual dischargers and deferring operation of the feeder device starter until such time as an individual discharger has operated correctly.
6. A tobacco feeding apparatus including a bulk storage hopper, a number of tobacco-utilizing machines each having an intermittent demand for tobacco, a hopper on each machine, signaling means associated with each of said hoppers for signaling, such a demand including a sensing device and a switch, a single mechanical feeder device drawing tobacco from the bulk hopper, at least one conduit connecting said feeder device to said hoppers, and pnuematic suction means to draw tobacco through said conduits to said hoppers, in combination with a fully automatic control mechanism comprising scanning means for continuously scanning the demand signaling means, feeder control means including a starter for the feeder and feed-diverting means including flaps operatable upon conclusion of feed to a hopper either to stop the feeder device or to divert its output to another machine signaling a demand, control circuits including a contactor associated with each utilizing machine, said scanning means including a multi-way cam timer rotated several times a minute to search said contacts, the timer being arranged so that when it makes connection with a contactor of an individual control circuit signaling a demand, electric circuits are completed for operating said flap associated with the feed diverting means causing pneumatic feed to the demand signaling hopper and for starting the feeder device if this is not already in operation, and an air trip valve in said conduit near the feeder arranged to close when a contact operated when an individual hopper is ready for emptying completes an appropriate circuit, thus ensuring the emptying of the section of the said conduit between the feeder and said demand signaling hopper.
7. An apparatus according to claim 6 in which each hopper is provided with a flap valve isolating it from suction and said control mechanism includes a time delay switch to permit actual emptying of each individual hopper by closing said isolating flap valves and to defer opera- 6 tion of the feeder device starter until such time as an individual hopper has operated correctly.
References Cited in the file of this patent UNITED STATES PATENTS 1,941,190 Schneider Dec. 26, 1933 2,195,407 Craggs Apr. 2, 1940 2,310,460 Randolf Feb. 9, 1943 2,828,873 Arlin Apr. 1, 1958 2,861,840 Powischill Nov. 25, 1958 2,972,500 Esenwein Feb. 21, 1961

Claims (1)

1. A TOBACO FEEDING APPARATUS INCLUDING A BULK STORAGE HOPPER, A NUMBER OF TOBACCO-UTILIZING MACHINES EACH HAVING AN INTERMITTENT DEMAND FOR TOBACCO, SIGNALING MEANS ASSOCIATED WITH EACH MACHINE FOR SIGNALING SUCH A DEMAND, A DISCHARGE INCLUDING A HOPPER ASSOCIATED WITH EACH MACHINE, A SINGLE MECHANICAL FEEDER DEVICE INCLUDING AT LEAST ONE CONDUIT CONNECTING SAID FEEDER DEVICE TO SAID DISCHARGES FOR DRAWING TOBACCO FROM THE BULK HOPPER, AND PNEUMATIC SUCTION MEANS FOR CONVEYING TOBACCO THROUGH SAID CONDUITS, IN COMBINATION WITH A FULLY AUTOMATIC CONTROL MECHANISM COMPRISING SCANNING MEANS FOR CONTINUOUSLY SCANNING THE DEMAND SIGNALING MEANS BY WHICH AN IMMEDIATE DEMAND FOR FEED IS SIGNALED FROM ANY ONE TOBACCO UTILIZING MACHINE TO THE FEEDER DEVICE, AND FEEDER CONTROL MEANS INCLUDING A STARTER FOR THE FEEDER AND FEED-DIVERTING MEANS OPERABLE UPON CONCLUSION OF FEED TO A DISCHARGER EITHER TO STOP THE FEEDER DEVICE OR TO DIVERT ITS OUTPUT TO ANOTHER MACHINE SIGNALING A DEMAND.
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3174805A (en) * 1962-10-11 1965-03-23 Vokes Ltd Pneumatic feeders
US3326609A (en) * 1965-08-27 1967-06-20 Curlator Corp Fiber distributing system
US3373783A (en) * 1966-10-10 1968-03-19 Marriott Corp Automated food processing line
US3431026A (en) * 1966-11-30 1969-03-04 John D Russell Material transporting device
US3860031A (en) * 1966-09-19 1975-01-14 Amf Inc Pneumatic tobacco feed system
US3945683A (en) * 1969-07-09 1976-03-23 Fiber Controls Corporation Priority interrupt circuit
US4390029A (en) * 1980-02-27 1983-06-28 Hauni-Werke Korber & Co. Kg Apparatus for storing and transporting comminuted tobacco or the like
US4463769A (en) * 1979-03-14 1984-08-07 Hauni-Werke Korber & Co. Kg Method and apparatus for storing and transporting comminuted tobacco or the like

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1941190A (en) * 1928-08-07 1933-12-26 Firm Universelle Cigarettenmas Tobacco supply means for cigarette machines
US2195407A (en) * 1937-05-08 1940-04-02 American Mach & Foundry Control device for pneumatic conveyers for cigarette machines
US2310460A (en) * 1938-09-22 1943-02-09 American Mach & Foundry Tobacco supplying means for cigarette machines
US2828873A (en) * 1957-01-07 1958-04-01 Max M Arlin Material flow control system
US2861840A (en) * 1955-08-12 1958-11-25 Proctor & Schwartz Inc Apparatus and method for feeding bulk material to plural supply locations
US2972500A (en) * 1958-06-14 1961-02-21 Hauni Werke Koerber & Co Kg Automatic control means for tobacco feeding means in cigarette machines

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1941190A (en) * 1928-08-07 1933-12-26 Firm Universelle Cigarettenmas Tobacco supply means for cigarette machines
US2195407A (en) * 1937-05-08 1940-04-02 American Mach & Foundry Control device for pneumatic conveyers for cigarette machines
US2310460A (en) * 1938-09-22 1943-02-09 American Mach & Foundry Tobacco supplying means for cigarette machines
US2861840A (en) * 1955-08-12 1958-11-25 Proctor & Schwartz Inc Apparatus and method for feeding bulk material to plural supply locations
US2828873A (en) * 1957-01-07 1958-04-01 Max M Arlin Material flow control system
US2972500A (en) * 1958-06-14 1961-02-21 Hauni Werke Koerber & Co Kg Automatic control means for tobacco feeding means in cigarette machines

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3174805A (en) * 1962-10-11 1965-03-23 Vokes Ltd Pneumatic feeders
US3326609A (en) * 1965-08-27 1967-06-20 Curlator Corp Fiber distributing system
US3860031A (en) * 1966-09-19 1975-01-14 Amf Inc Pneumatic tobacco feed system
US3373783A (en) * 1966-10-10 1968-03-19 Marriott Corp Automated food processing line
US3431026A (en) * 1966-11-30 1969-03-04 John D Russell Material transporting device
US3945683A (en) * 1969-07-09 1976-03-23 Fiber Controls Corporation Priority interrupt circuit
US4463769A (en) * 1979-03-14 1984-08-07 Hauni-Werke Korber & Co. Kg Method and apparatus for storing and transporting comminuted tobacco or the like
US4390029A (en) * 1980-02-27 1983-06-28 Hauni-Werke Korber & Co. Kg Apparatus for storing and transporting comminuted tobacco or the like

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