DE1757661A1 - Cigarette testing machine - Google Patents

Description

Patent attorneys Dipl.-Ing. F. Weickmann,. D1PL.-INO. H.WeICKMANN, DIPL.-PHYS. Dr.K. FlNCKE Dipl.-Ing. F. A-Weickmann »Dipl.-Chem. B. Huber

175766t

I MUNICH 27, DEN MÖHLSTRASSE 22, CALL NUMBER 413921/22

ΜΑ / ίϊΙ

ABIBRICAN MACHINE & FOUNDRY COMPANY 261 Kadis on Avenue

new York

Cigarette testing machine

The present invention relates to cigarette

test machines that toast the cigarettes individually »

that on one side of each cigarette a gas flow is connected will.

At present, automatic cigarette making machines are widely used which can produce up to 2000 cigarettes. per minute and the trend is even bigger Speeds. At such speeds there is a need for automatic inspection and removal -the one that does not conform to the general standard or damaged cigarettes to prevent this

10 9820/0 6 58

BATH ORIGINAL

_ 2 -

Cigarettes the automatic packaging equipment reach. There seems to be general agreement that modern cigarette making machines Produce cigarettes of such high quality that an automatic inspection of properties * the continued cigrirettes beyond the cigarette ends seems unjustified. In the pack of filter cigarettes however, is the sealing of the filter with the tobacco rod a constant source of trouble, mainly due to the variety of filter sizes and geometries, which lead to air ducts next to the union band, which manifests itself in the known defect of the secondary air.

The usual method of making filter cigarettes is - two made entirely of tobacco Manufacture cigarettes with a filter between them the double length of a normal cigarette filter, the entire arrangement with a suitable one Wrapping paper tape to form a single rod and then cutting the filter in half, so as to get two cigarettes. In accordance with this state of the art, these double-length, yes, composite Rods generally tested by being on both An arrangement was connected to the ends of this rod, which forced or sucked air through the rod, whereby in each case the air pressure on the other side was measured. Such a measurement detects Löoher or leaks in the composite rods and is therefore suitable for cigarettes

1098 20/065 8

BATH ORIGINAL

to be selected with regard to their standard quality or freedom from defects.

However, the known testing methods cannot match good and bad cigarettes in such a pair differentiate. For this reason, every time a defect is found, the entire stick, which contains two cigarettes, must be thrown away. Another important ITacli part The well-known test method is that the coupling to the gas pressure or suction doors at the two tobacco ends of the assembled cigarette rod must be done while the filters are placed in the center. However, this is very difficult because of the variable nature of the tobacco ends and their susceptibility to damage.

The present invention addresses the disadvantages and difficulties of the known cigarette testing methods and devices are overcome, each individual cigarette being examined after severing the double rod and ejected if necessary. This is done by attaching one end of each cigarette to an assembly in a gas-tight manner is connected, which exerts a positive or negative air pressure on this end, the Gas flow to determine a failure of the tested Cigarette being measured. Through the gas-tight connection Only one end of the cigarette is it possible to use the robust filter end of a cigarette for this, which increases the effectiveness

109820/0658 - 4 -

the airtight coupling without damaging the Cigarette largely simplified.

The pressure connected to the end of the cigarette can be positive or negative, but preferably becomes a negative pressure, i.e. a vacuum used for this purpose, which draws a stream of air through the cigarette. If the filter end is a. Cigarette is detected gas-tight, bo will in this way errors that are in the vicinity of the filter end are most easily detected, while leaks near the tobacco end of the cigarette are more difficult to detect are discovering. This is due to the fact that the normal tobacco filling of a cigarette is so strong in the flow of air inhibits that it is not easily possible to obtain a change in total air flow from side leaks. Since there is too much or too little tobacco filling in the cigarette, the air flow is independent of any existing Lick parts changed, this property additionally leads to the desirable result of cigarettes to throw out which do not reach the normal standard due to too little or too much tobacco filling.

In a preferred embodiment of the invention, the individual cigarettes are automatically emitted inserted into slots along the periphery of a rotating drum in a first angular position of the drum. Quality Cigarettes are automatically opened at a second angle

109820/0658

BATH ORIGINAL

ejected from the drum During the initial part of the rotation of the drum from the first angular position to the second angular position, the ends of each cigarette are gas-tight and connected to a vacuum chamber to suck air through the cigarette - if the cigarette is defective or the normal standard is not reached, a larger volume of air will flow ■ into the vacuum chamber. This increase or change in the pressure in the vacuum chamber is measured and recognized and is used to generate a signal which actuates a device to eject the open cigarette before this cigarette has reached the second angular position of the drum.

Based on the scheraati in the figures of the drawing illustrated embodiments is intended to the invention are explained in more detail below with further features. It shows;

Figure 1 is a perspective view of a machine according to a first exemplary embodiment of the invention? ♦ ■

FIG. 2 shows an enlarged section from the test drum the machine according to Figure 1 along the section " line 2-2 of Figure 3J

FIG. 3 is a front view of the machine according to FIG. 1, parts of which have been omitted in order to be able to show more clearly how the test drum removes the cigarettes from the drums of a normal '2Aga ** i% eia} jtrstellungs-

103320/0658

. ■ ■ - 6 -

BATH ORIGINAL

FIG. 4 shows an enlarged section of one of the control valve units, which the necessary air connections in the test troma and the anaeroid barometer switch, which is connected to each control valve unit i3t}

Figure 5 is an end view of the rotating control switch the logic and memory unit of the machine according to FIG. 1;

FIG. 6 shows a section along the line 6-6 in FIG. 5;

Figure 7 is a schematic circuit diagram of the logic and control circuit the machine and

Figure 8 is a fragmentary view of a portion of the arrangement of Figure 3 showing a modified one Exemplary embodiment of the invention.

In Figure 1 there is a test machine 10 according to the invention
shown. The machine 10 contains a main housing 12 with a test drum 14 _t which is fastened on a shaft 16 which in turn is rotatably mounted in the front wall of the housing 12. The drive for the shaft is accommodated within the housing 12. The protruding end of the shaft 16 is on the other side
received by a bearing 18 which is supported at the ends of the rods 20, 22 and 24. The inner ends
the rods 20 and 22 are connected to a cast part 26, which in turn is fastened to the front wall 13 of the housing.

- 7 - 109820/0658

gAD ORIGINAL

_ 7 -

1757681

The inner end of the rod 24 is not similar to one another * Cast part shown, which is arranged on the front wall 13 of the housing. With this construction the end bearing 18 can easily be removed in order to facilitate servicing and / or removal of the test drum.

Referring to Figures 1 and 2, the drum includes a first drum section 30 and a second troaniei. section 32, which are both on a sleeve 34 are mounted, the gleiterdrait help of wedges 35 on a shaft 16 is attached. The right end of the ', parts 16 extends, as shown in Figure 2, from the front wall 13 of the housing 12 and is rotatable in this supported by ball bearings 36 and 38, which are in the ends of a bearing 40 provided with flansOhen are fastened in the front wall 13. A transmission 42 is on the right

attached to shaft 16 and connected to a correlation transmission. A ring gear 46 is on the ring gear 42 fastened with the help of screws 50 and 52 and with a Correlation transmission 48 connected. This transmission is connected to a suitable drive to the shaft 16 in lateral correlation to the transfer drum of the cigarette machine to drive, which will be described in detail below. The other transmission 44 is with one rotating switch of the logic and memory unit for monitoring the machine operation and is connected are also described in more detail below.

The bushing 34, which carries the Trotnmelteile 30 and 32,

109820/0658

- 8 ßAD ORIGINAL

is against & axial displacement on the right through the wedges 35 secured, which itself against axial displacement by one provided on the right side Flanech 54 on the shaft 16 are secured. The socket 34 iet against axial "shifting to the left by means of a bushing geoioherti which on the threaded The end 58 of the shaft 16 can be screwed on / grounded. The bushing can be rotated in the end bearing 18 via ball bearings 60 and 62 stored.

The Tromtaelteil 30 includes a cylindrical hub 64 having axially spaced disc shaped walls 66, 68 and 70 _{t is} the aioh radially from said hub to the outside "A Vielxahl of uniformly spaced concave recesses 72 of the wall 66 are provided in the periphery, while similarly * recesses 74 »76 and 78 are provided along the outer circumference of the walls 68 and 70 in such a way that the recesses lie behind the recesses 72 in the axial direction. Each aligned set of recesses 72 and 76 form a slit in the periphery of the pious 30 that was bought to accommodate a cigarette.

The drum part is constructed similarly to the troeal part 30 and also had a cylindrical hub 80, disc-shaped walls 82, 84 and 88 and aligned Recesses 88, 90 and 92, which each represent a chute for holding a cigarette

109820/0658

■ ·: · ■■■ 'BAD ORIGINAL

By means of suitable measures, for example a large number of screws 96 is on the disc-shaped wall 70. of the drum part 30, a sealing ring 94 is attached. A second hanging 98 made of 'suitable material such as' e.g. Graphite, slides into the right face of the seal ring 94 and is attached to a receiving ring 100. The receiving ring 100 is slidably attached to a part 102, which is rotatably mounted on the protruding right end of the cylindrical ITabe 64. The receiving ring and the part 102 a plurality of balls 104 are interposed to allow relative axial movement between the facilitate both au, during the recording 100 and the, Part 102 a plurality of springs 106 are interposed to resiliently bias the ring 98 against the surface of the service rings .94. The ring 98, the receiving ring 100 and the part 102 are through, not shown, on the rod 24 supporting devices secured against rotation »

In the left rare surface of the sealing ring 94 is in alignment with the recesses 78 a conical bore is provided, 80 that the axis of each of the conical bores is coaxially aligned with the cigarettes in each of the slots. With this arrangement it is possible as before to be described in more detail later, the cigarettes lying in the slots by moving to the right in gas-tight engagement with the conical wall of the bore 108

109820/0658 " ¹⁰ ".

SAD ORIGINAL

to bring «The conical bores 108 are alternating in direct communication with openings 110 in the side surface the sealing ring which slidably engages in the Hing 98, as in the case of the upper conical bore, which can be seen in FIG. 2, while the others conical bores are in communication with a radially cranked opening, which radially inward from the Openings 110 are arranged, as can be seen, for example, for the lower conical bore in FIG.

The openings 110 are arranged so that they are arcuate Recesses 114 in the left face of the ring are in communication and the openings 112 are arranged so that they have second arcuate recesses in the left surface of the ring 98 > are connected, which concentrically jeu the arc-shaped recesses arranged bind. The arcuate recesses each enclose the same angle and the radial displacement between the two arcuate recesses corresponds to the radial offset between the openings and 112 In this way are openings 110 and 112 usually through the left side face of ring 98 closed, except during the periods in which they are led past the arched openings, what will be described in more detail below.

As just described, a sealing ring 94 is on the right

109820/0658 - 11 -

BATH ORIGINAL

Side of the drum part 32 attached in a similar manner and a second ring 98, a receiving ring 100 and a part 102 are, as previously described, together with springs 106 and balls 104 are provided between the retainer ring 100 and the part. In this case, however, it is disk-shaped Part 102 attached to a hat 105, which directly is mounted on the shaft 16 by ball bearings 114

Before describing how to put the cigarettes in the test drum introduced, tested and ejected, the mechanism that is used to do this will first be described serves, the cigarettes in the axial direction in "their slots to move so that they are in gas-tight contact with the conical walls of the bores 108 arrive. As can be clearly seen from the figure, there is a part 120 at the left end of the rod 122 and slidably extends through the cylindrical sleeve 64 of the drum portion 30. A Similar part l24 is attached to the right end of the rod 122 between the drum parts. The part 120 is also slidably mounted on a pin 126, which is of the

left end surface of the drum part 8 30, where it is attached, protrudes to prevent rotation of the rod 122 relative to the drum part 130 without restricting a relative axial movement between the two. A link 128 is attached to portion 130 and protrudes therefrom in a * position to support an ITooken follower roller 130 " . D4 · cam follower roller 130 is seated in a cam slot 132

109820/0658 _ ₁₂ _

BATH ORIGINAL

a cam drum 134, which on the hub of the Ende3 of the bearing 18 is attached. On each end of the part 14 and 124 a pin 136 is attached in such a position that that it can engage in the end of the cigarettes arranged in the slots, which the respective parts assigned.

It should be noted at this point that parts 120 and

124 and their associated components are provided for each of the slots in the drum parts 30 and 32. The cam follower roller is adapted to the connected pairs of parts 120 and 124 at a given Angular position shifts to the right to match the other ends of the cigarettes with the walls of the conical holes to bring in gas-tight contact. The cigarettes are held in this position as long as the conical bores the Arcuate recesses 114 and 116 (Figure 3) pass. When the conical bores have passed the arcuate recesses, parts 120 and 124 become withdrawn from the slide roller. Then the cigarettes are pushed back with a short puff of air, which is to be described in more detail below, so that it emerges from its gas-tight site in the conical bores to solve. '*

The diameter of each of the pins 136 is such that the pins is preferably smaller than the diameter of cigarettes to be tested, into the tobacco at the end of Jj ..: e intervene

109820/06 58

- 13 -

■■ - .. /; - · .- .. :: - '■' - ') ■ BAD ORIGINAL

and not in the paper. This minimizes the risk damage to the tobacco end of the cigarettes. Likewise, the cigarettes are aligned in the slots so that the pile ends are next to the sealing ring 94, there the filter ends are less sensitive to damage.

In Figure 3, a cigarette testing machine 10 is shown in cooperation with a conventional cigarette manufacturing machine 140.The cigarettes manufactured in the machine 140 are fed in a known manner from a drum 142 of the cigarette manufacturing machine., A transport drum 144 and arrive from the transport drum in the Teattrommel 14 of the cigarette test machine 10 · As is shown in Figure 3, the test drum rotates _v clockwise wQbei eight cigarette 146 in eight of the fourteen slide along the periphery of the drum member are dee sixteenth Eight additional cigarettes are located, calibrated in the same way in the drum part 32 behind the drum part 30. If reference is made to the drum part 30 in the more detailed description below, it goes without saying that the same processes take place simultaneously in the drum part 32.

One of the cigarettes 146 is in a first angular position shown in which they of the transport drum 144 the Drum part 30 is supplied in a known manner. the Cigarette 146 that is furthest from this cigarette

109820/0658 - 14 -

BATH ORIGINAL

-H-

is shown in a second angular position in which it leaves its storage slot and is fed to a conveyor belt 148. A static jacket 150 surrounds part of the periphery of the test drum, starting with the aforementioned first angular position, in order to hold the cigarettes mechanically in their slots in a known manner. A second sheath 152 surrounding a different portion of the test drum and ends at the aforesaid second angular position, said casing is provided with a reverse curvature to the rolling out of the cigarette to facilitate the transport belt 148th "The facing ends 154 and 156 of the sheaths 150 and 152 are spaced from each other so that a tree remains free between them through which defective cigarettes can be ejected.

In the four spaces between the disk-shaped walls of the tray parts 30 and 52 (see FIG. 2) you can see four tubes 158. The four tubes 158 are connected to a ylindri-like divider 162, which is also shown in FIG. 1 and which in turn is on the front wall 13 the housing 12 is fastened by screws 165, the corresponding eyelets 163 through the left end of the distributor . A line 164 is attached to the distributor 162 to connect the distributor to a vacuum source. The open lower ends of the tubes 158 overlap and bridge the throwing space between the ends 154 and 156 of the Unmanteluofea 152 and 150. During the operations

^ i 7V ^ W. - BAD ORIGINAL

* 4L ? *

- 15 -. ■ .. ■ ■

of the test machine is in the tubes 158 normally a vacuum around the cigarettes in their slots Retain suction when the cigarettes are ejected erraum happen.

A smaller ejector tube is located in each of the tubes 158, unclean defective cigarette from its slot by directing a short burst of compressed air onto the cigarette from the end of the ejector tube 160. Is triggered by a corresponding control signal the ejector tubes 160 compressed air through hoses 166 'fed through' connectors 168 to the pipes are connected. The way in which these control signals are punctured and how they come about will be discussed further described below ". ^

On the shell 150 are four control valve assemblies

- - .. ■ * - .. "
arranged so that they overlay the test drum 14. The units visible between FIG. 3 overlay the drum part 30 and the other units not visible in FIG. 3 overlay the drum part 32. Each of the units has a main channel 172 which is connected to a transverse channel 174. The transverse channel 174 of one of the units is connected to the arcuate recess 114 and the transverse channel 174 of the second unit is connected to the arcuate recess 116. The other two control valve units are in the same way with the arcuate recesses 114 and 1.16 jlea drum part 32 in connection.

109820/0658 .. '■ _ ₁₆ _

. ■■■ '>, BATH ORIGINAL

binding. A 'jj & l &r' is arranged in each control valve unit, which filters the "air passing through the duct 172. On each control valve unit, on opposite sides of the filter 176, connecting pieces 173 and 180 are provided in order to facilitate the connection of a conventional manometer, not shown. which is used to control the filters 176 and to be able to set a corresponding reference pressure drop as it should correspond to a standard cigarette to adjust the air flow in the main channel 172..The measuring valve is operated at the speed of sound in order to keep the effect of the air compressibility sagin as much as possible · A connector 186 is used to connect the control valve unit to a vacuum source (over 38 cm of mercury) · \ Kanalirvi7.2 ~ is through a plug 188 locked.

a «other S & de each control valve unit arranged tube connector used to connect the unit ait a AnIMTtIA- Manometerschalter 220 via a line; · & έ2 · '·

The two control valve units shown in FIG. 3 are connected to the hanging 98, the dkm drum part 30 is assigned while the two control valve units

109820/0650 - ¹⁷ -

BATH ORIGINAL

- Ί7 -

behind them are connected to the ring 98, which the Drum part 32 is part of. This arrangement causes a high vacuum in arcuate recesses 114 and 1-1-6 of the two drum parts 30 and 32, as the open sides of the arcuate recesses through the sealing ring 94 are closed, which each of the drum parts 30 and 32 is assigned.

The anaeroid barometer switch 220 includes two bodies 224 and 226 that are connected to one another by a clamping and sealing ring 228 are connected, which surrounds the transition area of the two bodies. Between the two bodies is in one Diaphragm chamber 232 clamped a diaphragm 230. A screw 234 is located in an internally threaded bore of the body 226 screwed in, at the inner end of which a spring 238 is supported, which with its other end on the membrane 230 works. A spring 240 arranged in the body 224 acts on the other side of the diaphragm 230.

The conduit 222 has an inlet port 242 in the body connected, which in turn is connected to a chamber 244 connected stent. In an opening of the body 224 is a microswitch 246 is mounted, the piston 248 of which extends into the chamber 244. A screw 250 covers an access opening in the wall of the body 224

A switch actuating arm 252 is connected via a cable 254 connected to the diaphragm 230 so that the position of the diaphragm

109820/0658 ■ '

BAD ORlGiNAk -IB-

the position of the arm 252 "is determined and controlled. The Switch 246 is a normally open switch and also in the position shown, the actuating arm 252 is arranged on the right side of the piston 248, so that the switch is in its normally open position. In this position, the membrane 230 engages the wall of the membrane chamber 232, which is formed by the body 226. When the cigarette test machine is in operation and a full vacuum is applied, membrane 230 Pulled near to the left and thereby takes the actuating arm with it to operate the piston 243 and the switch 246 keep it in its closed position as long as the membrane is shifted close to the left. The arrangement is like this

chosen; that the membrane 230 remains in this position and switch 246 accordingly remains closed. as long as all the cigarettes tested are good, i.e. the Fulfill the required standard · However, if one below the required level · biw. a defective cigarette passes the arcuately curved recess, which through the respective anaeroid barometer holder is monitored, so the membrane will move back to the right into the shown in figure 4 · position, whereby the switch is opened *

The switch 246 of each of the Anaeoridbaroraetereohalter 220 forms part of the Gedäohtnieeinheit, welohe determines whether a cigarette are ejected aoll when el · on the

109820/0658 -19-

i BATH

Ejection space between the jackets 150 'and 152 reaches. The volume between the measuring valve 182 and the cigarettes is approximately 20 cm, starting from an empty cigarette slot _g to a cigarette slot g which contains a good cigarette and which is guided over one of the arcuate recesses. This volume is expanded by about $ 7 or 1.4 cm, which is still sufficiently far below the value of about 10 cm which is still sucked through each cigarette at the maximum inspection rate. With this arrangement, therefore, an air passage through the cigarette is provided instead of just a Yoluiaenexpangion. .

The working sequence of the machine will now be described in detail with reference to FIG the test drum part 30 has been applied and sound of the jacket has been released _s which is connected to the transport drum 144, an ITook drum 134 moves parts 120 and 122 to the right to the pins 136 against the tobacco ends of the cigarettes in the slots of the drum parts 30 or 32 au preesen unfl. thereby shifting the cigarettes to the right so that their filter ends come into gas-tight contact with the walls of the conical bores, as was already described earlier in the explanation of FIG. This "ver

1098 20/06 58

-20 -

BADORiGINAL

sealing action "ends before the cigarettes are in the Drum parts 30 and 32 reach the arcuate recesses 116 and 116. If the special conical hole, which in diohtem engagement with the filter end of a Cigarette is connected to an opening 110, the filter end becomes arch-shaped as it passes by Recess 114 are brought into connection. If, on the other hand, the conical bore with an opening 112 in If there is a connection, the pile ends will be guided past the arcuate recesses 116 during operation.

So when the conical bores are moved past the arcuate recesses, the filter ends become the cigarettes are exposed to a vacuum that draws air through the cigarettes. In the event that a Cigarette does not reach the normal standard and that somewhere in the area of the union band of the filter and there is a leak in the cigarette, a larger volume of air will flow into the control valve unit 170, which associated with the special arcuate recess than in the case as a standard and undamaged cigarette is guided past the recess · This stronger air flow through the control valve unit 170 moves the aneroid barometer connected to the unit to the right, as shown in FIG is and thus opens switch 246 des Aneroid barometer so that an electrical signal is generated,

109820/0658 : ■>;,·;,-; C, iM) ORIGINAL

- 21 -

which indicates that the cigarette just tested is defective or below the required standard «If the filter is satisfactorily connected to the cigarette,

The tobacco plug density of the cigarette is too low, however, an increased volume of air is sucked through the cigarette compared to a good cigarette and the switch 246 of the anaeroid barometer is also opened, generating a signal which indicates that this cigarette does not meet the requirements. The signals generated by the aerodynamic barometer switches 220 are stored in a memory unit, which will be described later, and the memory unit then generates signals when the defective cigarette reaches the ejector space between the jackets 150 and 152 . At this point, an air stream is directed through the openings of the ejector tubes 116 onto the cigarette in order to eject the defective cigarettes.

When two consecutive gas-tight cigarettes inserted in the bores in the drum parts 30 and 32 have ended their movement over the arcuate recesses, the pins 136, which are in engagement with the tobacco ends of the cigarettes, are withdrawn and At the same time, a small burst of compressed air was applied to the conical bores in order to push the cigarettes in an axial direction a little, so that the pile ends were released from their engagement with the conical bores. This puff of air will

109820/0658 _. ₂ 2 -

8AD ORiGINAL

through an opening 200 in the side surface of each ring 98 supplied, which slidingly contacts the sealing rings 94. A suitable fitting is provided on the periphery of each ring 98 202 provided in order to close the openings 200 of the rings via flexible hoses 204 with a source of compressed air associate. In this way the Filtdrenden get out of their Free engagement position with the conical bores before they are passed over the ejector space so that they ever can be easily ejected as required. As already described earlier, the will not be defective Cigarettes retained in their slots by vacuum bridge 158 as they cross the ejector chamber.

As shown in Figure 3, one of the cigarettes is standing in connection with the end of the arcuate recess and a second cigarette following it in connection with the arcuate recess 114 · a third cigarette, which follows the second cigarette has not yet reached the position to match the arcuate cigarette Recognition 116 to be in connection. The distance between the cigarette referee is chosen so that the pre- • ZwlQKRt * he just cigarette the arched recess 116 went out *, the third cigarette replaced the arched one Reached recess, so that never two cigarettes on the same side with the same arcuate recess in Connection.

- 23 109820/0611

BAD ORiQiNAL

IJm, however, very strong fluctuations in pressure, which on the monitoring anaeroid barcmeters.ehalter 220 would work back to avoid is a narrow throttle slot 216 in the guide edge of the arcuate recess 114, the drum parts 30 and 32 and a similar throttle slot 262 starting from the leading edge of the arcuate recess 116 of the two drum sections intended. The length of the throttle slot 262, which can be seen in Figure 3, is chosen so that the conical bore, which is in contact with the aforementioned third cigarette, just with the ae'm. Throttle slot comes into connection before the conical bore in which the first cigarette sits, the arcuate. ^ recess 116 leaves. So if the connection of the first Cigarette with the arcuate recess 116 is interrupted, so is due to the connection between the throttle slot 262 and the third cigarette at least a reduced gas volume durafci die. third cigarette already sucked »so that the aforementioned pressure fluctuations are strong can be reduced in size. The throttle slit ^ O, which is attached to the arch-shaped Recess 114 is provided, works in full identical way.

By having the switches 246 each of the four aneroid barometers he normally switched 220 in their open Position and are held in their closed position by the vacuum held by a good cigarette, the closed position of the switch determines the case that a

10 9820/0658 -24-

ORlGlNAu

There is a non-ejection condition. The signals that indicate that the cigarette is good overlap, so that switches 246 are in their closed position • Remain so that if there is a succession of good ones Cigarettes, the non-ejection condition is always present. A change in vacuum caused by an increased flow of air caused by a bad cigarette, a switch opens 246 in the memory unit the ejection condition enter, so that the defective cigarette is ejected when they enter the ejector space between the Jackets 150 and 152 happened. By meeting the conditions which are present in good cigarettes, uses the normally open switch 246 in his To transfer closed position and so the non-ejection condition to define, the ejector tube 116, which is used to bring out defective cigarettes, only operated for a shorter period of time than would be the case if one had the conditions as they are at wanted to use bad cigarettes to bring the switch 246 to its closed position. this reduces the driveability of throwing good ones Cigarettes which precede a real cigarette or follow.

As will be described in greater detail below, the position of switch 246 becomes each anaeroid barometer switch read by a memory unit when the cigarette under test is not approaching the end of the arcuate recess,

109820/0658 - 2s -

which the respective Ana he oidbar is called he overv / eight. DleB;: - b'Siiut, & t _t that the property of the cigarette (good or JBC ^v '* ».' (/ Oht) is established when the whole system and the fiebran of the switch have stabilized, thereby simultaneously starting a A memory unit is therefore used to give the cigarettes time to release from their seat in the conical bores by means of a puff of air through the openings 200 before they are cleared from the ejector Reach jackets-150 and 152.

Using FIGS. 5 and 6, the structure of a rotating sequence control switch 270, the logic and memory circuit is intended before the structure of this "circle, which is shown schematically in FIG. 7, is explained in more detail shall be. The follow-up control switch 270 iat housed in a main housing 12 and contains a

■ ■ ·

barrel-shaped body 272 which has a bushing 274 which protrudes through the front wall 13 of the main housing. The cup-shaped part 272 is in a suitable manner on the Front wall 13 is attached, for example by a plurality of clay screws 278, and has on its periphery eoheibea-shaped Flanaoha 276 "Over two ball bearings 282 let bay 274 be rotatably mounted on a shaft 280, the storage should not allow any axial displacement. Bin gear 284 on shaft 280 is about the

* ■ ■

Corrölationtransmiseion 44 driven, which

109820/065 *

1757651

from the transmission 42 (see Figure 2) extends upwards. This tranemission drives the shaft 280 in lateral correlation with the shaft 16 which the test drum 14 drives.

A small, also cup-shaped central one Bearing part 286 on the shaft carries inside the housing 12 three brackets 288 extending radially near the outside. At the ends of the brackets 288 there is a disk-shaped part 290 supported, welohes parallel at a distance from the disk-shaped flange 276, which is attached to the periphery of the cup-shaped part 272 · Between the Gear 284 and the retaining part 286 is on the shaft a bushing 292 attached. At the ends of the socket 292 '

»- '■■■ .- ■■ ι ■

Discs 294 and 296 are made of magnetically permeable Material attached, which can rotate with it.

As can best be seen in FIG. 5, the periphery of each of the disks is stepped off so that radial shoulders 298, 300 and 302 are formed. Radial shoulder 298 defines an arcuate segment that descends counterclockwise from radial shoulder 298 to radial shoulder 302. The radial shoulder 300 defines an arcuate segment which eiohee counterclockwise from the radial ? Shoulder 300 to radial shoulder 302 extends. In the

riioh of the smallest diametera of each of the disks 294 and 296 has a radial groove 304 formed therein. The shoulders

109820/0858

- c. t ~

bie 302 and groove 304 of plates 294 and 296 aligned one behind the other, so that in Jigur 5 only one Set of shoulders and grooves can be recognized

On a mounting part 306, four reed switches S- -j S- «t ^ i«. ^ ^Un ^ ^ 1-4. ^{supported so} that they overlap the left side of the disk 294. These reed switches are arranged in the radial direction so that they overlay the arcuate segment formed by the shoulder 298. Four _{reed switches S 1-1} to S ₁ - are in

■ - ■■■■; - "·

In the usual way, it is held by a holding part 308 over the right-hand surface of the disk 296. Similarly softly Bind four reed switches S * * supported ₂ bia S "by a support member 310 via dttn left part of the face of the disc 2§4 and again four reed switches Sg _-.-J to S ₂ λ iterungeteil by a H _a in corresponding Wei3e 312 positioned over the right part of the sole plate 296. The reed switches S _2-1 bia S «-. are arranged radially so that they overlay the arcuate segments' .301 formed by the radial shoulders 300 of the disks 294 and 296. Two sets, each with four Zungeη containers SS-1 and SS-4, are held by the Balterung parts (not shown) in such a way that one set overlays the left surface of the disk 294 and the other the right side of the disk 296. The switches SS - 1 to SS - 4 are positioned in the radial direction to overlay the groove 304 on them

- 20 «- ■ '1 0982 0 / 06S8

" ²⁸ ~ M757661

can be passed.

A rod-shaped permanent magnet 316 is arranged in parallel at a distance from each reed switch, which the Apply magnetic field lines to Sahalter so that they are closed in a known manner. However, if the arcuate segments of disks 294 and 296 between the tongue switches and their corresponding magnets CrU lie come, eo become the magnetic field lines due to the magnetically permeable material of the discs short-sleeved and the reed switch in its open position convicted.

Each of the reed switches are associated with connector boxes 318 for electrical connection to the switches to facilitate. Pi · Bracket parts 306 and 308 are on the disc-shaped flanges 276 and 290 as well the mounting parts 314 are screwed on. In the case of the bracket parts 3H, however, the screws extend dur.oh Slots 320 so that the angular position of the reed switches supported by them is adjustable

The shaft 280 is rotated counterclockwise, which is indicated in Figure 5 by the arrow, the ratio never of the gears 42 and 284, which with each other through a correlation tranamisalon 44 are connected so that the shaft 280 rotates 90 ° when the

109820/0658 ~ ²⁹ "

BATH

Inapection drum around. an amount has been rotated which corresponds to the angular distance between two successive cigarettes. As long as the arcuate segments of the discs 294 ^and 96 are between the tongue switches, they are in their open position, while while they remain in their closed position, there are no arcuate segments between them and their respective magnets.

In Figure 7, the logic and memory unit 281 is shown schematically, which contains all of the reed switches connected to the "disk of the sequence control switch 270. This circle controls the drum part 30, while an identical circle, not shown, which contains the reed switches of the disk 296, the" drum ν. controlled part 32 "the circuit 280 includes four identical ignition circuits 282, 284 _f 286 and 288, each of which includes a silicon controlled rectifier 290th the trigger circuits 282 and 284 are controlled ter by the straight barometer scarf, that is, by the switch 246 of the anaeroid barometer holder 220, which monitors the arcuate recess 114, while the ignition circuits 286 and 286 are connected to the odd barometer switches, ie the switch 246 of the anaeroid barometer switches 220, which monitor the arcuate recesses 116.

Let us assume that the cigarette in Troftmeltell 30, which

- 30 -f 098 20 / 'QS 5 t BAD ORlGfNAi.'

7 λ

the arcuate recess 114 is exposed 13t, is defective, the straight barometer switch will be as before described, closed. When the broken cigarette

approaches the end of the arcuate recess 114 closes, the switch SS-2 and the current now runs through the resistor 282 and the diode D1. This leads to the controllable silicon rectifier 290 of the ignition circuit 282 becoming conductive. The controllable silicon rectifier 290 of the ignition circuit 284, however, does not become conductive, since in this position the reed switch F ^ _- . is closed and the reed switch Pj_g is open. When the defective cigarette reaches the ejection space between the jackets 150 and 152 (see Figure 3), the switch S ₂ _ ₂ closes and the ignition circuit 282 is blocked by the diode D2, while the diode D3 is biased in the reverse direction so that it is not can lead »

As soon as the switch ^ ₂ -I of the ignition circuit 286 opens, the reverse voltage is removed from the diode Df>, so that it becomes conductive and enables the current to flow through the resistor 2f4, which blocks the transistor 296. The blocking of the transistor 296 interrupts the flow of current through the g "t" of the triac element 298 j to block the triac element, which in turn leads to the flow of current through the solenoid S being blocked. The interruption of the Stromfluseös dtireßi ias Solenoi'd S switches a valve which connects the ejection tube 116 to a source of compressed air so that the defective cigarette is blown out if they are

105020/0658

BATH ORIGINAL

space between the jackets 150 and 152 happened.

Subsequent to this ejection phase, the switch S _2-2 opens and the switch S ₁ _ «is closed, so that the controllable silicon rectifier 290 connected to the ignition circuit 282 is returned to its non-conductive state. When a good cigarette passes the arcuate recess 114, the straight barometer switches remain open and the controllable silicon rectifier of the ignition circuit 232 is not switched through when the switch SS-2 closes. Thereafter, when the switch S «_ closes, the line through the diode D3 remains, so that the reverse voltage cannot be removed from the diode D5 when the switch S« ₁ opens / Therefore the diode D5 is not conductive The transistor 296 remains switched on, as does the triac 298, so that the solenoid S also remains excited lie in their bottom seat as a result of the folding effect of the vacuum bridge 158 when it passes the ejection space,

If the barometer switch is closed when the switch SS - 4 closes, the ignition circuit 284 is shaded because the switch S- _ . is open while the ignition circuit 282 is not switched because of the

109820/0658 - 32 -

Switch S ₁ __ _{2 is} closed. In this pail the sequence of the prescribed steps is repeated. The controllable silicon rectifier 290 of the ignition circuit is switched by closing the switch SS - 4 and the switch Sp <closes and causes circuit 284 to be switched through by the diode D2 in order to block the ignition circuit if a defective cigarette passes the ejection area . In addition, the diode D3 of the ignition circuit 282 is biased in the blocking direction and cannot conduct. As soon as the switch S? - "5 ' ^ö ^ ^ne ^ i the reverse voltage is removed from the diode D ^, which thereby becomes conductive and blocks the transistor 296 and the triac 298 and thus energizes the solenoid S to connect the compressed air source to the ejector tube 160 so that the to eject the defective cigarette that has just been guided over the ejection chamber.

In the case of the odd barometer switch, arc-shaped recess 116 monitored by the drum parts 30, the ignition circuit 286 will turn on when the reed switch SS-3 closes and when the odd barometer switch is closed. The ignition circuit 288 will not turn on, however, because the switch S- _, is closed and the switch S _{1-1 is} open when SS-3 closes. When the ignition circuit 286 ignites in this way, it is put out of operation by the diode D2 when the switch S _{0 1} closes. By closing dee

109820/0658 _ "_

Switch S « \ , the diode D3 is biased in the reverse direction and cannot conduct and as soon as the switch S ₀ _ , opens, the reverse voltage is removed from the diode D5 so that it becomes conductive and the solenoid S can be excited, which leads to that the defective cigarette which caused the odd barometer switch to close when the reed switch SS closed just before the defective cigarette reached the end of the arcuate recess 116 is ejected.

If the odd barometer switch is closed when the reed switch SS-3 closes, the ignition circuit 288 is switched in a similar way _{because the switch S 1} \ opens, while the ignition circuit 286 does not switch because the switch S ^ _ <is closed . The steps described are repeated and the diode D5 becomes conductive when the reed switch S ₂ __ ₂ opens.

If a good cigarette the arcuate recess happens, the odd barometer switch remains open and the reed switch SS - 3 or the reed switch closes SS-1 does not lead to the switching of the controllable Sildziumglelohrichters 290, neither in the ignition circuit 286 nor in ignition circuit 288. For this reason, the solenoid S remains excited and the good cigarettes pass the ejection room, and get to the conveyor belt, if that Solenoid S is de-energized once, so that a defective cigarette

109820/0658 - 34 -

1757611

is ejected, it becomes through the · logic and memory circle kept fully excited until a subsequent good cigarette hits the even or odd barometer switch holds in its open position. In this way, if, for example, five defective cigarettes one after the other, the solenoid S is de-energized for the first cigarette, so that the first cigarette is ejected and then remains fully excited, so that too the next four cigarettes will be thrown out. Dor Switch S3 », which is connected in parallel to the even and odd barometer switches, can be operated manually Switch with which the barometer switch can be switched off manually on Vmnsch, so that cigarettes can also be ejected manually if required.

TJM summarize the sequence of operations in logic and memory unit 281, we assume that ^ an arcuate recess 114 passing cigarette includes the straight Barometer switch or open, depending on whether the cigarette is bad or good. The next cigarette begins to sweep the arcuate recess 1 "16 and similarly closes or opens the odd barometer switch. Before the first cigarette just leaves the arcuate recess 114, the tongue switch SS-2 closes and begins the sequence of steps which Bat dem first ignition circuit 28.2 are connected. After the first cigarette the arc-shaped exit

109820 / 06B8

If you leave taking 114 , a third cigarette starts the. To cross recess 114 and the switch SS -3 closes u5l to initiate the sequence of events with the ignition circuit 286. If: η a fourth cigarette begins to pass over the recess 116 , the switch SS closes in order to initiate the event forums connected to the ignition circuit 284. When switch SS- 1 is closed, the switching sequence assigned to ignition circuit 288 begins.

Pigur 8 shows a modified exemplary embodiment of the invention, a vacuum tube 158 again being provided, but the air ejection nozzle 116 being replaced by a mechanical ejection mechanism 320 . The ejection mechanism 320 includes a lever 322, one end * of which is pivotally connected to a stationary pin 324 which extends downward at the end of a support arm 326 between the disc-shaped walls of the drum part 30. The other end of the lever 322 is pivotally connected to an actuating arm 328 of the solenoid S which is arranged between the pin-shaped walls of the drum part. The ejector finger 330 protrudes τοπ the lever 322 downwards in a position to eject a cigarette when the finger is moved close down in the path of the cigarette passing through

The solenoid S is the same solenoid as ee schematically 7 and is normally energized during operation, so that the lever 322 in FIG

109820/0658

- 36 -

retracted position. When the solenoid S is de-energized, as previously described in connection with the schematic diagram of FIG. 7 ", the actuator arm 328 is moved downward to pivot the lever counterclockwise about the stationary pin, so that the ejector finger in enters the path of aueauwerfenden cigarette. When solenoid S is energized, the Auswerffinger is retracted and allows to hold the vacuum bridge the good cigarettes in their slots during the passage of the Auswerferaums. A similar ejector 320 is

• ·

the drum part 32 is arranged.

The invention is not limited to the illustrated embodiment examples. Thus it is in particular possible that engage the tobacco ends of the cigarettes to increase the pin · 136 "shown in Figure 2, so that they blind are not through-holes containing bores in the labakenden in the same manner engage as the conical bores in the piltering ends of the cigarettes.

Although the rings 98 in Figure 2 are all complete rings

As shown, it will be appreciated that most of each ring 98 could be omitted so that only the arcuate portions which would contain the arcuate recesses 114 and 116 would remain. This would result in firm arched shoes, which

109820/0659

- 37 -

engage vacuum-tight in each of the rings .94 in which the conical bores 108 are included. Every time if a conical bore then leaves such an arch-shaped shoe, it could be at a fine nozzle or at an inlet for compressed air, to release the cigarettes from their position of engagement with the conical holes before the cigarettes Reach the ejection space between the jackets 150 and 152.

- patent claims -

- 38 109820/0068

Claims (12)

Claims 1. Cigarette breathing machine, characterized by a cylindrical rotating boron mounted test drum, which on its circumference a plurality of axial, spaced-apart slots for receiving the to testing cigarettes contains a facility to the Drum in temporal correlation with automatic loading taking place in a first angular position of the slots, a device to rotate the cigarettes in a second angular position - which is offset less than 360 ° from the first - automatically ejected from the slots, an automatically operated device, around one end of each cigarette during a fixed angular span between the first and second positions gas-tight to one, a positive or negative gas pressure ~ e "r to connect generating device, a responsive to the gas flow generated thereby through the cigarette, in the case of defective cigarettes, a signal-emitting monitoring device and one through these signals actuated ejection device, which defective cigarettes before reaching the second angular position at a drib ten Y / incels division automatically ejects. 2. cigarette smoker according to claim 1, characterized by a device (281) storing the error signals, which actuates the ejector when the cigarette, 109820/0858 BAD ORJGJNAu ■■. ■■■■■ - 39 - which caused the spring signal, the third ', Tinkel- * position reached. 3. Cigarette testing machine according to claim 2, characterized in that that the ejection device contains means ■ (160) to generate an air stream and to the ■ to direct defective cigarette. 4. Cigarette test mask according to claim 3 _f, characterized in that devices (150, 152) are provided to hold the cigarettes between the first and second angular positions in their slots, so that these devices are interrupted in the region of the third angular position, so that there are defects Cigarettes can be blown radially out of the slots by an air stream and that a suction device (158) is provided in this area, which normally retains the cigarettes in their slots when they pass through this section. 5. Cigarette testing machine according to claim 2, characterized in that that the ejector is a mechanically operated, pivotable in the path of the cigarettes Includes ejector levers (322, 330). 6. cigarette testing machine according to one of claims 1 to 5, characterized in that the memory device the Once activated, the ejector device is kept activated until a signal from the monitoring device indicates 10982070658 1757601 that the next cigarette is faultless and the previous one the defective cigarette has been ejected in the third angular position. . . 7. cigarette tea machine according to one of claims 1 to 6, daduroh marked that the drum (H) is on. one Side binge (94) with lying ata end of the slot contains conical bores (108) into which a cigarette end can properly engage, that one with supply lines provided plate (98) sliding with an annular surface gaediobt engages in a plane of singing that one Arched recess seen in the «·» plates τ or (116., 1H) said fixed angular range represents that the Ring containing a ^ multitude of passages (110), of each one of the * conical bores (108) with the ^ annular surface of the singe which joins over the . . . . ■■■■. '- ■ ■ . ■) 3 o · * '■ arcuate Au β a pa runge η slides to bring it with them _v in connection DAQ means (170) eind provided to eraeugen in the arcuate recesses a * Unterdruok that means (128, 130, 132, 136) provided are in order to move one end of the cigarettes axially into a gas-tight engagement position with the conical walls of the bores (108) and to hold it there during said fixed angular span and that the monitoring devices (220) generating the signals are in communication around the arcuate recess Generate signals when the ^: Gaβzufluß to the recess due to a defective cigarette on-.vächct. 109820/065 « ν » ■> ■: < . ^: ßÄD ORIGINAL 8. Zigarettentectmaechine according to claim 7, characterized in that that a plurality of arcuate recesses (114 »116) is provided which can come into connection with different groups of the conical bores (108) in such a way that at any time only one of the conical holes with one the arc-shaped recesses can connect, that the negative pressure is generated in all arcuate recesses and that the monitoring equipment • ■. - direction associated with each arcuate recess is around every time | when the pressure in one of the arcuate recesses due to a defective cigarette grows to generate a signal 9. Cigarette test machine according to claim 8 | characterized, that each of the arcuate recesses spans a Winlcel which is greater than the angular distance consecutive slots. 10 * cigarette testing machine according to claim 9 »characterized in that that to reduce the pressure fluctuations in the arcuate recesses this on the respective End have a narrow throttle slot (260), the v / uring the short period of time with a conical Hole connects in which the arcuate Ausoparunt; is not in communication with any conical bore. - 42 - BADQRIGlKAi- 1757 W 11. cigarette test machine according to one of claims 1 to 10, characterized in that the monitoring units. ** ·, direction one with the arcuate recesses- ■ Contains anaeroid barometer switch (22C). 12. Cigarette test machine according to one of the claims.-1 to; 11 ~, due to the fact that the drum (H) several sets (JO, 32) of cigarette receptacles, my own excesses, set against each other in axial direction. ■ wachunga- and Auewörfeinrichtungen contains, μ ^ that the different sentences in one iteilia..Itiji.te ^^ na.nd.e. ^ lle ^ endiftn t of the different sentences are loaded simultaneously BATH ORIGINAL YJ Blank page