FR2486507A1 - Tobacco leaf feed for cigar - uses spaced suction rollers to remove portions from strip unwound from roll - Google Patents

Tobacco leaf feed for cigar - uses spaced suction rollers to remove portions from strip unwound from roll Download PDF

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Publication number
FR2486507A1
FR2486507A1 FR8015118A FR8015118A FR2486507A1 FR 2486507 A1 FR2486507 A1 FR 2486507A1 FR 8015118 A FR8015118 A FR 8015118A FR 8015118 A FR8015118 A FR 8015118A FR 2486507 A1 FR2486507 A1 FR 2486507A1
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FR
France
Prior art keywords
suction
strip
coil
roll
rollers
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.)
Withdrawn
Application number
FR8015118A
Other languages
French (fr)
Inventor
Christian Charbonel
Jean Bossuet
Daniel Le Helley
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 FR8015118A priority Critical patent/FR2486507A1/en
Publication of FR2486507A1 publication Critical patent/FR2486507A1/en
Withdrawn legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24CMACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C1/00Elements of cigar manufacture
    • A24C1/26Applying the wrapper
    • A24C1/28Wrapper transferring mechanisms

Abstract

For making cigars, small portions of tobacco leaf (C) are detached from a backing layer (3) as it is unwound from a roll (1). These pieces are then removed by a feed which applies them to the outside of a cigar being manufactured. The pieces are secured to the coiled backing layer by adhesive, and the feed overcomes the strength of the adhesive to detach them. The roll is rotated against two freely rotating suction wheels (4,5) with a small suction chamber (6) between. These are positioned so that their pressure against the strip is sufficient to lift the leaf portions and detach them. They are then conveyed onwards horizontally above a suction conveyor (8).

Description

La présente invention concerne un dispositif pour dérouler, à partir d'une bobine, une bande supportant des morceaux de tabac, tels que des sous-capes, des capes, suivant une direction faisant un angle avec la tangente à la bobine. The present invention relates to a device for unwinding, from a reel, a strip supporting pieces of tobacco, such as sub-wraps, wraps, in a direction making an angle with the tangent to the reel.

Ce dispositif se situe dans le cadre de l'automatisation du capage des cigares : les capes étant entreposées entre les spires d'une bobine sont restituées au fur et à mesure des besoins des capeuses. Les bobines sont déroulées sur un caisson aspirant en un point duquel les capes sont prélevées par exemple par une ventouse. Le point délicat du déroulage de la bobine se situe dans la zone où la bande est détachée de la bobine en direction du caisson, qui, généralement, est horizontal. This device is part of the automation of the wrapping of cigars: the wrappers being stored between the turns of a reel are returned as and when required by the wrappers. The coils are unwound on a suction box at a point from which the layers are taken, for example, by a suction cup. The delicate point of unwinding the reel is in the area where the strip is detached from the reel in the direction of the box, which is generally horizontal.

Le tabac est un matériau plus ou moins gommeux et, meme relativement séchées les capes gardent une certaine teneur en eau, de sorte qu'il peut se produire, qu'après avoir été serrées pendant un certain temps entre deux spires, certaines capes ne suivent pas la trajectoire de déroulement de la bande de la bobine, mais au contraire, continuent à adhérer à la bobine elles s'accrochent par adhérence sur la face externe de la spire encore enroulée autour de la bobine plutôt que de rester sur la face interne de la spire qui se détache de la bobine. Tobacco is a more or less gummy material and, even relatively dried, the wrappers keep a certain water content, so it can happen that after having been squeezed for a while between two turns, some wraps do not follow not the unwinding trajectory of the reel strip, but on the contrary, continue to adhere to the reel they catch by adhesion on the external face of the coil still wound around the reel rather than staying on the internal face of the coil which detaches from the coil.

Pour éviter cela il faut donc créer au point de changement d'orientation une force suffisamment importante pour faire adhérer les capes à la bande en déroulement. On utilise alors une force d'aspiration. To avoid this, it is therefore necessary to create at the point of change of orientation a force large enough to adhere the capes to the strip in progress. A suction force is then used.

Il est connu de munir le caisson aspirant d'une surface circulaire aspirante qui vient tangenter la bobine et guide la bande munie des capes vers et sur le caisson aspirant. De même on peut prévoir un galet aspirant en contact avec d'une part la bobine et d'autre part le caisson aspirant. It is known to provide the suction box with a circular suction surface which tangents the coil and guides the strip provided with the capes towards and on the suction box. Similarly, a suction roller can be provided in contact with the coil on the one hand and the suction box on the other hand.

Toutefois dans ces deux cas, la zone de contact entre la bobine et la surface circulaire aspirante, qu'elle fasse partie du caisson aspirant ou qu'elle en soit indépendante, ne porte que sur une génératrice de la bobine et ce seul point de contact peut être insuffisant par exemple après un stockage prolongé des capes lorsqu'elles ont été emmagasinées humides ; il se crée de ce fait, une certaine adhérence des capes entre les deux spires de la bande entre lesquelles ellessont serrées.However in these two cases, the contact zone between the coil and the circular suction surface, whether it is part of the suction box or whether it is independent, relates only to a generator of the coil and this single point of contact may be insufficient, for example after prolonged storage of the capes when they have been stored wet; this creates, therefore, a certain adhesion of the layers between the two turns of the strip between which they are clamped.

L'aspiration favorise un déroulement satisfaisant de la bande ; mais les réalisations jusqu'alors connues ne suffisent pas toujours à faire en sorte que l'adhérence des capes sur la bande qui est détachée de la bobine soit supérieure à l'adhérence possible des capes sur la face externe de la spire suivante. The suction promotes a satisfactory unwinding of the tape; but the hitherto known embodiments are not always sufficient to ensure that the adhesion of the layers on the strip which is detached from the coil is greater than the possible adhesion of the layers on the external face of the next turn.

Pour pallier cet inconvénient, la présente invention prévoit un dispositif dans lequel est prévue, entre la bobine et le caisson aspirant, une surface d'aspiration de forme telle qu'elle est en contact avec au moins deux génératrices de la bobine. De cette manière la surface d'aspiration épouse la forme générale de la bobine et accompagne sur un certain parcours, la bande juste avant que celle-ci se détache de la bobine. Tout au long de ce parcours, l'aspirotion lutte contre l'adhérence des capes à la face externe de la spire suivante encore enroulée autour de la bobine. To overcome this drawback, the present invention provides a device in which is provided, between the coil and the suction box, a suction surface shaped such that it is in contact with at least two generators of the coil. In this way the suction surface follows the general shape of the coil and accompanies on a certain path, the strip just before it detaches from the coil. Throughout this journey, the aspirotion fights against the adhesion of the capes to the external face of the next turn still wound around the reel.

Et la longueur de ce parcours, c'est-à-dire la dimension de la surface d'aspiration est telle que l'action d'aspiration intéresse une surface importante de la cape.And the length of this course, that is to say the dimension of the suction surface is such that the suction action involves a large surface of the cape.

De manière pratique, la surface d'aspiration comporte essentiellement deux galets fous aspirants en contact chacun avec une génératrice de la bobine et espacés l'un de l'autre par un petit caisson aspirant. In practical terms, the suction surface essentially comprises two crazy suction rollers each in contact with a generator of the coil and spaced from each other by a small suction box.

Les galets qui sont montés fous accompagnent positiviment et sans frottement la bande déroulée, le petit caisson aspirant assurant la continuité de l'aspiration entre les deux galets. The rollers which are mounted madly positively and frictionlessly accompany the unwound strip, the small suction box ensuring the continuity of the suction between the two rollers.

Avantageusement, la surface d'aspiration du petit caisson aspirant, disposé entre les deux galets fous, est légèrement en retrait des génératrices de contact des galets avec la bobine. On obtient ainsi par cette disposition une zone de prédécollement, où les capes sont libérées de leur adhérence à la face externe de la spire suivante. Advantageously, the suction surface of the small suction box, disposed between the two idle rollers, is slightly set back from the generators of contact of the rollers with the coil. This arrangement thus provides a pre-peeling area, where the capes are released from their adhesion to the external face of the next turn.

La description qui va suivre en référence aux desssins annexés ne constitue qu'un exemple non limitatif du dispositif suivant l'invention. The description which follows with reference to the appended drawings is only a non-limiting example of the device according to the invention.

La figure unique est une vue schématique du dispositif suivant l'invention. The single figure is a schematic view of the device according to the invention.

Suivant cette figure, le dispositif comprend une bobine 1 qui tourne autour du mandrin 2 et de laquelle est déroulée par un dispositif (non représenté), la bande 3 munie des capes C. Deux galets 4 et 5 sont disposés de manière à tangenter la bobine 1. Ils sont aspirants et tournent fous autour de leur axe. Entre les deux galets 4 et 5 un petit caisson aspirant 6 est positionné de façon à assurer la continuité de l'aspiration entre les deux galets et sa surface aspirante 7 est légèrement en retrait de ceux-ci.  According to this figure, the device comprises a coil 1 which rotates around the mandrel 2 and from which is unwound by a device (not shown), the strip 3 provided with the covers C. Two rollers 4 and 5 are arranged so as to tangent the coil 1. They are aspiring and spinning mad about their axis. Between the two rollers 4 and 5 a small suction box 6 is positioned so as to ensure the continuity of the suction between the two rollers and its suction surface 7 is slightly set back therefrom.

En aval du galet 5, et disposé horizontalement, se trouve un caisson aspirant 8 sur lequel les capes sont prélevées pour leur utilisation ultérieure por un dispositif non représenté. Downstream of the roller 5, and arranged horizontally, there is a suction box 8 from which the layers are removed for their subsequent use por a device not shown.

Le dispositif fonctionne de la - manière suivante. Immédiatement en amont du point de séparation d'avec la bobine, la bande qui est déroulée de la bobine 1 est aspirée par le premier galet 4 puis par le deuxième galet 5. The device operates in the following manner. Immediately upstream of the point of separation from the reel, the strip which is unwound from the reel 1 is sucked in by the first roller 4 then by the second roller 5.

Entre les deux galets la surface aspirante 7 crée pour ainsi dire une zone de prédécollement . La bande y est décollée du restant de la bobine et libère ainsi la cape, ou, le morceau de cape, qui s'y trouve de la compression qui était jusqu'alors exercée sur elle et qui la maintient appliquée sur la face externe de la spire suivante de la bobine. L'aspiration peut alors facilement annuler cette adhérence des capes, de sorte que le déroulement de la bande s'effectue de manière satisfaisante et que toutes les capes quittent normalement la bobine lorsque la bande déroulée passe sur le galet 5 et change d'orientation. Between the two rollers the suction surface 7 creates, so to speak, a pre-peeling area. The strip is detached therefrom from the remainder of the coil and thus releases the cape, or, the piece of cape, which is there from the compression which was previously exerted on it and which keeps it applied on the external face of the next turn of the coil. The suction can then easily cancel this adhesion of the layers, so that the unwinding of the strip is carried out satisfactorily and that all the layers normally leave the reel when the unwound strip passes over the roller 5 and changes orientation.

Le fait que les galets 4 et 5 tournent fous facilitent également le mouvement de la bande sur le caisson aspirant 8 en la suivant à sa propre vitesse tout en maintenant une aspiration constante.  The fact that the rollers 4 and 5 turn madly also facilitate the movement of the strip on the suction box 8 by following it at its own speed while maintaining constant suction.

Claims (3)

REVENDICATIONS 1) Dispositif pour dérouler à partir d'une bobine,une bande supportant des morceaux de tabac tels que des capes, suivant une direction faisant un angle avec la tangente à la bobine, dispositif comportant une bobine de laquelle est déroulée la bande et un caisson aspirant sur lequel passe la bande, caractérisé par le fait qu'il est prévu entre la bobine et-ledit caisson aspirant, une surface d'aspiration de forme telle qu'elle est en contact avec au moins deux génératrices de la bobine. 1) Device for unwinding from a reel, a strip supporting pieces of tobacco such as capes, in a direction making an angle with the tangent to the reel, device comprising a reel from which the strip is unwound and a box suction on which the strip passes, characterized in that there is provided between the coil and said suction box, a suction surface shaped such that it is in contact with at least two generators of the coil. 2) Dispositif suivant la revendication 1 caractérisé par le fait que la surface d'aspiration comporte essentiellement deux galets fous aspirants en contact chacun avec une génératrice de la bobine et séparés par un petit caisson aspirant. 2) Device according to claim 1 characterized in that the suction surface essentially comprises two crazy suction rollers each in contact with a generator of the coil and separated by a small suction box. 3) Dispositif suivant la revendication 2 caractérisé par le fait que la surface aspirante du petit caisson disposé entre les deux galets fous est légèrement en retrait des génératrices de contact des galets sur la bobine.  3) Device according to claim 2 characterized in that the suction surface of the small box disposed between the two idle rollers is slightly set back from the contact generators of the rollers on the coil.
FR8015118A 1980-07-08 1980-07-08 Tobacco leaf feed for cigar - uses spaced suction rollers to remove portions from strip unwound from roll Withdrawn FR2486507A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8015118A FR2486507A1 (en) 1980-07-08 1980-07-08 Tobacco leaf feed for cigar - uses spaced suction rollers to remove portions from strip unwound from roll

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8015118A FR2486507A1 (en) 1980-07-08 1980-07-08 Tobacco leaf feed for cigar - uses spaced suction rollers to remove portions from strip unwound from roll

Publications (1)

Publication Number Publication Date
FR2486507A1 true FR2486507A1 (en) 1982-01-15

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FR8015118A Withdrawn FR2486507A1 (en) 1980-07-08 1980-07-08 Tobacco leaf feed for cigar - uses spaced suction rollers to remove portions from strip unwound from roll

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018211108A1 (en) * 2017-05-19 2018-11-22 Philip Morris Products S.A. Apparatus and method to fetch an end portion of a sheet of material wound in a bobbin

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591044A (en) * 1969-01-10 1971-07-06 Amf Inc Patch-feeding device for cigar-making machine
FR2411579A1 (en) * 1977-12-19 1979-07-13 Arenco Pmb Bv PROCESS AND APPARATUS FOR EMPTYING A COIL BAND LOADED WITH TOBACCO LEAF PIECES HELD BETWEEN THE COILS OF THE COIL
FR2429565A1 (en) * 1978-06-26 1980-01-25 Seita Tobacco leaf portion system - has roller to apply moistening agent continuously to outside of storage coil strip during unwinding from roll

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591044A (en) * 1969-01-10 1971-07-06 Amf Inc Patch-feeding device for cigar-making machine
FR2411579A1 (en) * 1977-12-19 1979-07-13 Arenco Pmb Bv PROCESS AND APPARATUS FOR EMPTYING A COIL BAND LOADED WITH TOBACCO LEAF PIECES HELD BETWEEN THE COILS OF THE COIL
FR2429565A1 (en) * 1978-06-26 1980-01-25 Seita Tobacco leaf portion system - has roller to apply moistening agent continuously to outside of storage coil strip during unwinding from roll

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018211108A1 (en) * 2017-05-19 2018-11-22 Philip Morris Products S.A. Apparatus and method to fetch an end portion of a sheet of material wound in a bobbin
JP2020520636A (en) * 2017-05-19 2020-07-16 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム Device and method for pulling out the edge of a sheet of material wound on a bobbin
US11178902B2 (en) 2017-05-19 2021-11-23 Philip Morris Products S.A. Apparatus and method to fetch an end portion of a sheet of material wound in a bobbin

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