EP0007837B1 - Vorrichtung zum Messen der Festigkeit von Zigaretten oder dgl. - Google Patents

Vorrichtung zum Messen der Festigkeit von Zigaretten oder dgl. Download PDF

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Publication number
EP0007837B1
EP0007837B1 EP79400465A EP79400465A EP0007837B1 EP 0007837 B1 EP0007837 B1 EP 0007837B1 EP 79400465 A EP79400465 A EP 79400465A EP 79400465 A EP79400465 A EP 79400465A EP 0007837 B1 EP0007837 B1 EP 0007837B1
Authority
EP
European Patent Office
Prior art keywords
measuring
articles
cigarettes
compactness
cigarette
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP79400465A
Other languages
English (en)
French (fr)
Other versions
EP0007837A1 (de
Inventor
Michel Morin
Alain Rousseau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe Nationale dExploitation Industrielle des Tabacs et Allumettes SAS
Original Assignee
Societe Nationale dExploitation Industrielle des Tabacs et Allumettes SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Societe Nationale dExploitation Industrielle des Tabacs et Allumettes SAS filed Critical Societe Nationale dExploitation Industrielle des Tabacs et Allumettes SAS
Priority to AT79400465T priority Critical patent/ATE122T1/de
Publication of EP0007837A1 publication Critical patent/EP0007837A1/de
Application granted granted Critical
Publication of EP0007837B1 publication Critical patent/EP0007837B1/de
Expired legal-status Critical Current

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Classifications

    • 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
    • A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
    • A24C5/34—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes

Definitions

  • the present invention relates to a device for measuring the compactness of smoking articles of cylindrical shape such as cigarettes, filter cigarettes or filter sticks.
  • a device according to the preamble of claim 1 is known from US patent 3310682.
  • the compactness of a cigarette or the like characterizes its compressibility, its hardness, its filling. This is one of the important physical characteristics which must be taken into account when judging the quality of the product under consideration.
  • a unit of measurement comprising jaws which are placed around the cigarette and a specific load is applied to one of the jaws. The measurement of the relative displacement of the jaws provides a quantity representative of the crushing of the cigarette.
  • the compactness can be assessed in two stages: crushing when empty, under a slight preload and crushing under a determined load.
  • the invention relates to a device which makes it possible to measure the compactness of cigarettes in a batch in two different directions.
  • the invention relates to a device for measuring the compactness of smoking articles of cylindrical shape such as cigarettes, filter cigarettes or filter sticks, characterized in that it comprises a supply unit for bringing the articles to a positioning and distribution assembly, two compactness measurement units mounted on either side of this assembly, which assembly comprises a rectilinear displacement path extending from one measurement unit to the other to allow each article to move from a central receiving position to an extreme measurement position, means for positioning the articles in the receiving position alternately in two different angular positions and means for moving said articles along said path alternately towards one and the other unit of measure.
  • the device according to the invention simultaneously measures the compactness in two different positions of the articles, since the two measurement units can operate in unison.
  • said assembly comprises at least two drums which define said path between them, the drums being able to be rotated in the same direction, so as to rotate an article in contact with them about its axis.
  • each angular position is defined by a light source associated with a detector.
  • a light source associated with a detector.
  • the seam of a cigarette is an area whose reflective power is different from that of the rest of the cigarette: when the radiation from the source falls on the seam, it is reflected and the output current of the detector is stronger or weaker than outside this position. This detection controls the instantaneous stop of the drums on which the cigarette rests.
  • the device according to the invention for measuring the compactness of cigarettes essentially comprises a supply unit, a positioning and distribution assembly and two measurement units mounted on either side of this assembly.
  • the device comprises a supply unit arranged to bring the cigarettes one by one in a horizontal position to the central receiving position R defined by the drums 1 , 1 'and 2, 2' (see also Figure 3) and shown in dotted lines.
  • the feed unit comprises an inclined plane 3 and an articulated pallet 4 which, in the low position, retains the cigarette by orienting it so that its axis is perpendicular to the line of greatest slope of the inclined plane, and in position high (shown in dotted lines), lets it descend along the inclined plane.
  • the cigarettes are brought one by one to the inclined plane by a dispenser member not shown.
  • the pivoting up of the pallet 4 is electrically triggered in connection with the operation of the device.
  • the cigarette having left the supply unit comes to occupy the aforementioned central position bearing on the drums 1, 1 ′ and 2, 2 ′ with parallel axes.
  • the drums 1 and 2 are rotated in the same direction so as to rotate the contact cigarette in contact with the drums by contact.
  • the direction of rotation is illustrated by the arrows in Figure 1.
  • the drums 1 and 2 are driven by a motor 5 via pulleys 6 and a belt 7 (see Figure 2).
  • the device comprises a first photoelectric cell 10 placed vertically above the reception area.
  • the seam of the cigarette receives the radiation from the cell 10, it reflects this radiation in a more intense or less intense way than the rest of the cigarette.
  • the output current emitted by the cell takes a higher or lower value than the average value of the signal, and this allows the detection of the seam. This detection in turn triggers the immediate stop of the motor 5 and the cigarette keeps the position where the seam is on the top.
  • a second photoelectric cell 11 is placed laterally so that the axis of the emitted radiation is orthogonal to the axis of the cell 10, that is to say horizontal.
  • this cell 11 When this cell 11 is active, the cigarette therefore assumes a position where the seam is on the side.
  • the cells 10 and 11 are active in turn, so that the cigarettes which occupy the reception position are placed alternately with the seam on top and with the seam on the side.
  • the cigarettes thus positioned are brought alternately to one and the other measuring unit, so that the compactness measurements are carried out along two perpendicular axes.
  • This distribution takes place along a rectilinear path defined first of all by the drums, then by guides 12, 12 'belonging to the distribution assembly, and which is extended by cradles 13, 14 in each measurement unit.
  • the distribution is ensured by a pusher 15 which moves in an alternating movement along said path.
  • This pusher 15 is provided with spikes 16 to maintain the cigarettes in the correct position during movement to the respective unit of measurement.
  • the pusher 15 is pivotally mounted at the end of an upper arm 17 secured to a pivot 18.
  • the pivot 18 is rotatably supported by a lower arm 19, the other end of which is rigidly connected to a shaft 20 driven by a geared motor 21 comprising motor and reduction gears.
  • the pivot 18 carries at its lower end a wheel 22 connected by a toothed belt 23 to a wheel 24 mounted around the shaft 20 but rigidly connected to the chassis by a pin 25 and therefore fixed.
  • the wheel 24 has a diameter twice that of the wheel 22, the shaft 20, the pivot 18 and the pivot 26 of the pusher 15 have their axes of rotation parallel and the distances between the points 18 -20 and 18-26 are identical; consequently the mechanism transforms the rotational movement of the shaft 20 into a rectilinear movement of the pusher 15 along the aforementioned path.
  • the motor 21 is controlled so as to cause, if we suppose the pusher in the position of FIG. 3, first of all a movement from left to right of the pusher 15, the latter bringing the cigarette present in the area of reception to the right measurement unit then, the pusher then being to the right of the reception area, a movement from right to left which brings the next cigarette to the measurement unit located on the left.
  • the measurement units by themselves do not have original characteristics. They include a lower jaw 29 which receives the cigarette and a jaw 30 which is placed on the cigarette to be measured and a movable hitch 31 which is applied to the jaw 30 with a determined load. The relative displacement of the jaws is indicative of the crushing of the cigarette and as a result of its compactness.
  • the device described operates as follows.
  • the articulated pallet 4 lets through a cigarette which is placed in the receiving position. In this position, the cigarette is suitably angularly positioned using the drums 1 and 2 and one of the cells 10 and 11.
  • the pusher 15 is moved to bring the cigarette to the unit located on the side opposite its starting position. During this time, another cigarette has been brought into contact with the pallet 4. The latter then pivots and the second cigarette descends along the inclined plane 3 to the receiving position. In this position, the drums 1 and 2 rotate the cigarette to the correct position, identified by the seam, the active cell being that which was not active for the first cigarette.
  • the pusher 15 then moves the cigarette towards the measurement unit which is not yet supplied.
  • the two measurement units operate in synchronism, one measures the crushed load of cigarette n while the other measures the empty crushing of cigarette n + 1; in the following cycle, the first compacimeter determines the empty crushing of the cigarette n + 2 while the second measures the crushing under load of the cigarette n + 1.

Landscapes

  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)

Claims (6)

1. Einrichtung zum Messen der Dichte von Rauchwaren zylindrischer Form, wie Zigaretten, Filterzigaretten, oder Filter, mit einer Zuführeinheit zum Zuführen der Artikel zu einer Positionier-und Verteileinrichtung, dadurch gekennzeichnet, daß sie zwei auf den beiden Seiten dieser Einrichtung angeordnete Einheiten zum Messen der Dichte aufweist, welche Positionier- und Verteileinrichtung einen geradlinigen Transportweg aufweist, der sich von einer Meßeinheit zu anderen erstreckt, um jeden Artikel von einer zentralen Aufnahmeposition zu einer äußersten Meßposition zu bringen, ferner Einrichtungen zum Positionieren der Artikel in zwei Stellungen verschiedenen Winkels und Einrichtungen zum Bewegen dieser Artikel entlang des genannten Weges abwechselnd zu der einen und zu der anderen Meßeinheit.
2. Einrichtung nach Anspruch 1, in der die Positionier- und Verteileinrichtung mindestens zwei Trommel (1, 2) aufweist, durch die der genannte Weg bestimmt wird, wobei die Trommeln in gleichsinnige Drehung versetzt werden können, womit ein mit ihnen in Kontakt stehender Artikel um seine Achse gedreht wird.
3. Einrichtung nach Anspruch 1, in der jede Winkelstellung durch eine mit einem Detektor verbundene Lichtquelle (10, 11) bestimmt ist.
4. Einrichtung nach Anspruch 2, in der ein Schieber (15) vorgesehen ist, der einer Bewegung zwischen zwei äußersten Positionen entlang des genannten Weges unterworfen ist, wobei jede Position dem Einführen eines Artikels in eine der Meßeinheiten entspricht.
5. Einrichtung nach Anspruch 4, in der der Schieber (15) auf seinen beiden Endflächen mit Zinken (16) versehen ist, um die Winkelstellung der Artikel während ihrer Bewegung durch den Schieber aufrechtzuerhalten.
6. Einrichtung nach einem der Ansprüche4 und 5, in der der Schieber (15) von einem Motor (21) über einen Mechanismus betätigt wird, enthaltend eine von dem Motor betätigte Welle (20), einen unteren Arm (19), der mit einem Ende an dieser Welle befestigt ist, eine Schwenkwelle (18), die an dem anderen Ende des unteren Armes drehbar befestigt ist, einen oberen Arm (17), ` der mit einem Ende an der Schwenkwelle (18) befestigt ist, an deren anderem Ende schwenkbar der Schieber (15) befestigt ist, eine Scheibe (24), die an der Welle (20) befestigt ist, eine Scheibe (22), die mit der Schwenkwelle kraftschlüssig verbunden ist, und einen mit Einschnitten versehenen Riemen (23), der die beiden Scheiben verbindet.
EP79400465A 1978-07-13 1979-07-05 Vorrichtung zum Messen der Festigkeit von Zigaretten oder dgl. Expired EP0007837B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79400465T ATE122T1 (de) 1978-07-13 1979-07-05 Vorrichtung zum messen der festigkeit von zigaretten oder dgl.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7820929A FR2430730A1 (fr) 1978-07-13 1978-07-13 Dispositif pour mesurer la compacite d'objets en forme de tiges
FR7820929 1978-07-13

Publications (2)

Publication Number Publication Date
EP0007837A1 EP0007837A1 (de) 1980-02-06
EP0007837B1 true EP0007837B1 (de) 1981-07-29

Family

ID=9210710

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79400465A Expired EP0007837B1 (de) 1978-07-13 1979-07-05 Vorrichtung zum Messen der Festigkeit von Zigaretten oder dgl.

Country Status (5)

Country Link
US (1) US4224822A (de)
EP (1) EP0007837B1 (de)
AT (1) ATE122T1 (de)
DE (1) DE2960535D1 (de)
FR (1) FR2430730A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3569871D1 (en) * 1985-03-22 1989-06-08 Tabac Fab Reunies Sa Control-device for the compressibility of tobacco-manufactory articles
DE3705627A1 (de) * 1987-02-21 1988-09-01 Hauni Werke Koerber & Co Kg Vorrichtung zum rollen stabfoermiger artikel der tabakverarbeitenden industrie

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2338070A (en) * 1941-03-06 1943-12-28 American Mach & Foundry Individual cigarette density recording machine
GB971228A (en) * 1962-05-21 1964-09-30 Short Brothers & Harland Ltd Improvements in or relating to apparatus for measuring the hardness of articles
FR1437670A (fr) * 1965-03-26 1966-05-06 Seita Procédé et dispositif pour mesurer la compacité et d'autres caractéristiques physiques d'un corps ou d'un groupe de corps compressibles et notamment de cigarettes
US3559466A (en) * 1968-06-07 1971-02-02 Liggett & Myers Inc Direct readout deflection meter

Also Published As

Publication number Publication date
FR2430730A1 (fr) 1980-02-08
EP0007837A1 (de) 1980-02-06
US4224822A (en) 1980-09-30
FR2430730B1 (de) 1980-12-05
ATE122T1 (de) 1981-08-15
DE2960535D1 (en) 1981-10-29

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