EP2642879B1 - Format system and format parts for a rod-making machine in the tobacco-processing industry - Google Patents

Format system and format parts for a rod-making machine in the tobacco-processing industry Download PDF

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Publication number
EP2642879B1
EP2642879B1 EP11779579.9A EP11779579A EP2642879B1 EP 2642879 B1 EP2642879 B1 EP 2642879B1 EP 11779579 A EP11779579 A EP 11779579A EP 2642879 B1 EP2642879 B1 EP 2642879B1
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EP
European Patent Office
Prior art keywords
strip
rod
format
garniture
edge
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.)
Active
Application number
EP11779579.9A
Other languages
German (de)
French (fr)
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EP2642879A2 (en
Inventor
Matthias Schafforz
Manuel Hansch
Heiko Hoffleit
Horst ROß
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.)
Koerber Technologies GmbH
Original Assignee
Hauni Maschinenbau GmbH
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Filing date
Publication date
Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Publication of EP2642879A2 publication Critical patent/EP2642879A2/en
Application granted granted Critical
Publication of EP2642879B1 publication Critical patent/EP2642879B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0229—Filter rod forming processes
    • A24D3/0233—Filter rod forming processes by means of a garniture
    • 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
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/18—Forming the rod
    • A24C5/1807—Forming the rod with compressing means, e.g. garniture

Definitions

  • the present invention relates to a format system for a tobacco processing industry strand making machine for forming a strand and wrapping the strand with a wrapping strip according to claim 3, and to a top part for a molding system of a tobacco processing industry strand making machine according to claim 1.
  • a format system is provided for forming a strand and wrapping the strand with a wrapping strip.
  • a format system comprises a base part, for example a sub-format, a format strip accommodated in the base part for transporting the strand and, in the case of its wrapping with a wrapping strip, also for transporting the wrapping strip.
  • the format tape has an inner side, an outer side, a first edge and a second edge opposite the first edge.
  • a cover part for example an upper format, which has a guide section for receiving the first edge of the format strip and, in the case of its covering, a support surface for supporting the wrapping strip.
  • From the GB 444 519 A is a format system for cigarette manufacturing machines with a holding part and a molding comprising cover part known.
  • the format system is located in the machine's strand unit and forms the strand of tobacco fibers and wraps the strand of tobacco fibers with the wrapping strip.
  • the format system is located in the strand unit of the machine and forms the strand from a recycled continuous fiber filter material, if desired with additives, and wraps the strand with the wrapping strip.
  • the format system is located in the machine's strand unit and forms the strand from a plurality of longitudinal axial successions, leaving any predetermined clearances, if desired, of successive filter segments and wrapping the strand with the wrapping strip.
  • the format system is located in the unit of the machine and forms the strand from a filter material of finite length fibers, if desired with additives, and wraps the strand with the wrapping strip.
  • the object of the present invention is to specify a format system and a cover part for a format system which enables an improved production of shaped strands, in particular largely avoiding formation of wrinkles and / or markings on a manufactured strand, in particular on a wrapped strand.
  • the format strip can quasi resign with its first edge - seen in section - from the strand-forming channel, so that the envelope strip in the strand-forming channel reaches a larger area and largely kink-free system and can be better supported. In this case, sufficient lateral pressure can still be exerted on the strand in order to be able to transport and shape it. Frictional forces can be reduced in a simple way.
  • the guide section is designed in the form of a guide channel or section bounded on two sides by walls in the section, the first edge can be largely free from curvature or reduced curvature and the service life of the format strip can be increased as a result of corresponding bending cycle stresses.
  • the guide portion is formed in the form of a strand open to the, in the radial direction in a depth T and in a circumferential direction U extending paragraph, whereby a withdrawal of the format strip from the strand-forming channel can be realized in a particularly simple manner. If the depth T of the paragraph less than the height H of the format tape, the risk of formation Of wrinkles and / or markings already substantially reduced and still a safe transporting and shaping of the strand and a safe transporting and laying around the wrapping strip are guaranteed.
  • a gap arranged second cover strip Forming a gap arranged second cover strip, a variety of adjustment is created, especially with regard to diameter adjustments. If the wrapping strip projects out of the gap, a desired glue can be applied in a simple manner to a correspondingly provided gluing station in the edge region of the protruding wrapping strip, for instance with a nozzle.
  • the first cover strip with its free end facing the strand overlaps the strand by a length L in the direction of projection of the strand, optimum shaping of the strand and fixing of the overlapping seam formed by the two superimposed edge regions of the covering strip are ensured.
  • the format band in a section of the longitudinal extent of the format system in the transport direction of the strand substantially U-shaped, in particular in any other section of the format system with a closer distance of the two on the two legs of the U opposite first edge and second edge, provided feasible , a particularly long life of the format tape is possible as a result of omitted bending cycle stress.
  • the wrapping strip can optimally supported on a gluing station for applying glue in the so-called glue seam zone (so-called glue seam or overlap seam) and reduce bending stress on the format tape.
  • cover part ensures a precise guiding and relieving the format strip of bending cycles while reliably transporting and wrapping the strand with the wrapping strip.
  • cover part is also suitable for producing uncoated strands, which hereby can be given a high-quality form, in particular with regard to cross-sectional fluctuations.
  • Is the distance between the walls greater than the height H of the format strip in particular if it corresponds to the height H plus a predetermined game, in particular with a game of about 0.1 to 2.0 mm, preferably 0.15 to 1.5 mm, can be realized for a reliable and trouble-free supporting and guiding the HüllmaterialstMails optimized support surface and ensure a particularly low-friction guiding the format strip, in particular a reduction of Achieve frictional forces.
  • the molding in a section of its longitudinal extent, starting from the guide channel or section toward its free end in section initially decreasing in material thickness and then increasingly formed, especially the material thickness at the front higher than the minimum material thickness along the distance between the free End and the guide channel or section, can be a strength and production optimized design of the cover realized.
  • the present invention thus takes a completely new and different route than proposed for known format systems and known cover parts.
  • FIGS. 1 to 8 Illustrated embodiments are not within the scope of the patent.
  • FIG. 1 in a first section schematically illustrated a system of Strangherstellmaschine for producing a strand formed as a multifilament strand 1 comprises a formed as a lower format 2, in section substantially rectangular-shaped and in and out of the plane in or out extending base part.
  • the sub-format 2 is provided with two extending into the plane of the cooling channels 3 and suction holes 4, which penetrated the lower format 2 in the vertical direction and viewed in the plane of the drawing over the longitudinal extent of the sub-format 2 are spaced from each other.
  • a nozzle 5 for supplying a cooling medium is provided on the bottom side, which flows through the cooling channels 3.
  • a trough-like, half-shell-shaped depression 6 is formed, in which a format strip 7, which can be driven endlessly circumferentially in the plane of the drawing, is received.
  • the format strip 7 has an inner side 8, on which a wrapping strip 9 rests, an outer side 10, which rests partially in the recess 6, a first edge 11 and a second edge 12 opposite the first edge 11.
  • the lower format 2 opposite a cover member 13 is arranged, which comprises a first cover strip 14 and a second cover strip 15.
  • the cover part 13, the first cover strip 14 and the second cover strip 15 extend into and out of the drawing plane or out. They essentially have the shape of a long, flat cuboid.
  • the first cover strip 14 and the second cover strip 15 of the cover part 13 are fastened to the lower format 2 via non-illustrated, releasable fastening means and provided adjustable relative to the lower format 2 via exchangeable intermediate layers 16 in their respective distance to the lower format 2.
  • the first cover strip 14 comprises a holding part 17 and a molded part 18, which are integrally connected to one another.
  • the second cover strip 15 comprises a holding part 19 and a molding 20, which are integrally connected to each other.
  • the first cover strip 14 and the second cover strip 15 are arranged facing each other with their mold parts 18 and 20 respectively.
  • the lateral, in their longitudinal extent each with a variable contour formed end faces of the cover strips 14, 15 are facing each other.
  • a gap 21 is formed between the first cover strip 14 and the second cover strip 15.
  • the gap 21 extends into the plane of the drawing and out between the molded part 18 of the first cover strip 14 and the molded part 20 of the second cover strip 15.
  • the gap 21 changes its position along the longitudinal extension of the cover part 13, viewed in the projection direction on the lower format 2. the first cover strip 14 and the second cover strip 15 as it is from the FIGS. 1 to 4 particularly clear.
  • the cover part 13 has a guide section which is arranged in the first cover strip 14 and which is designed in the form of a rectangular groove 22 with a groove base. From the groove bottom, two boundary surfaces spaced substantially parallel to one another extend in the direction of the lower format 2, tapering perpendicularly to the lower format 2.
  • the first edge 11 and the second edge 12 having format tape 7 is movably received with its first edge 11 to pull it in the drawing plane and beyond by a drive, not shown.
  • the wrapping strip 9 lies with a predominant part of its width, leaving edge regions.
  • the cover part 13 furthermore has a support surface 23 arranged in the first cover strip 14, which supportably supports the cover strip 9.
  • the support surface 23 is substantially concave, partially cup-shaped on the strand 1 and the Sub-format 2 facing side of the format part 18 is formed and extends in the circumferential direction and in the transport direction of the strand. 1
  • the formed as a groove 22 guide portion for the first edge 11 of the format strip 7 is formed in section by two opposing walls 24 and 25 and bounded laterally.
  • the walls 24 and 25 have on their opposite sides of the aforementioned boundary surfaces.
  • the wall 24 has a converging in section, in particular wedge-shaped course and tapers, starting at the level of the bottom of the groove 22 and the groove bottom toward the open end of the groove 22 formed as the guide portion and the Nutauslauf, in a curved course.
  • an envelope is to be understood as a curve, which results in a continuation of the contour of the support surface 23 in section.
  • the outer side 10 of the format strip 7 with its first edge 11 does not rest on a continuously extending and continuously continued contour of the support surface 23, as in the prior art, but recedes relative to the support surface 23.
  • the molding 20 of the second cover strip 15 is underside with a concave, part cup-shaped support surface 26 is provided.
  • the support surface 26 is arranged facing the lower format 2 and its recess 6.
  • the support surface 26 is supported in the in FIG. 1 illustrated section the outside of the wrapping strip 9 and overlaps the strand 1 beyond its vertex.
  • the second cover strip 15 engages with her the strand 1 or the recess 6 facing, the support surface 26 bearing, free end of the strand 1 by a length L, seen in the projection direction of the strand 1 or the recess 6, in a portion of its longitudinal extent.
  • the length L is in this case about 73 percent of the diameter of the strand 1, or related to the recess 6, about 67 percent of the maximum width of the recess 6 at this point.
  • the recess 6 is formed in section with a radius which corresponds approximately to the radius of the strand 1 plus the height H of the format strip 7.
  • the recess 6 has in section a shape of a half-shell.
  • a guide portion is arranged, which is formed in the form of a rectangular groove 27 with a groove bottom. From the groove bottom, two boundary surfaces spaced substantially parallel to one another extend in the direction of the lower format 2, tapering perpendicularly to the lower format 2.
  • the format tape 7 is movably received with its second edge 12 in order to draw it in the plane and out through the drive, not shown.
  • the formed in the molding 20 as a groove 27 guide section is in section formed by two opposing walls 28 and 29 and bounded laterally.
  • the walls 28 and 29 have on their opposite sides of the aforementioned boundary surfaces.
  • the wall 28 has a converging in section, in particular wedge-shaped course and tapers, starting at the level of the bottom of the groove 27 and the groove bottom toward the open end of the groove 27 formed as a guide portion and the Nutauslauf, in a curved course.
  • the groove 27 is offset relative to the envelope of the support surface 26 of the molded part 20 of the second cover strip 15. What is meant by “staggered” has already been explained above.
  • the walls 24, 25 of the first cover strip 14 and the walls 28, 29 of the second cover strip 15 each form guide surfaces for the respective edge 11, 12 of the format strip 7.
  • the respective groove bottom of the grooves 22 and 27 can serve as guide surfaces.
  • the first cover strip 14 and / or the second cover strip 15 each have two through the walls 24, 25 (first cover strip 14), 28, 29 (second cover strip 15) formed guide surfaces for the respective edge 11 (first edge), 12 (second edge ) of the format tape 7.
  • the guide surfaces are formed by the aforementioned boundary surfaces of each formed as a groove 22, 27 guide portions or channels.
  • FIG. 1 shows a section along the line EE FIG. 4 ,
  • FIG. 2 illustrated second section of the embodiment of FIG. 1 is the molded part 18 of the first cover strip 14 formed elongated, such that it projects beyond the apex of the strand 1 in the projection direction transverse to its longitudinal extent.
  • the support surface 23 for the wrapping strip 9 has an outlet section 30, which connects tangentially to a beginning on the groove 22 curvature portion 31 of the support surface 23.
  • the length L is in this case about 93 percent of the diameter of the strand 1 or related to the recess 6, about 78 percent of the maximum width of the recess 6 at this point.
  • the guide portion of the second cover strip 15 is formed at this point in section paragraph-shaped, with a first boundary wall which extends vertically and with a second boundary wall, which extends transversely to the first boundary wall.
  • the second boundary wall in its extension transversely to the first boundary wall, falls below the height H of the format strip 7 in order to guide the second edge 12 of the format strip 7 slightly protruding.
  • the transition is designed "jump-free".
  • the second mold part 20 is withdrawn at this point to the holding part 19, approximately up to the level of the outside edge of the heel-shaped guide portion.
  • FIG. 2 shows a section along the line DD FIG. 4 ,
  • FIG. 3 illustrated third section of the embodiment of FIG. 1 is the molding 18 of the first cover strip 14 shortened relative to the in FIG. 4 formed embodiment, such that it ends in the projection direction transverse to its longitudinal extent in front of the apex of the strand 1.
  • the support surface 23 has a steeper slope than in the FIG. 2 and in FIG. 1 shown section.
  • a multi-part, detachably mounted and removable format element 32 is arranged in the in FIG. 3 illustrated section of the first cover strip 14 opposite a multi-part, detachably mounted and removable format element 32 is arranged. Seen in the plane of the drawing, behind the format element 32, the second cover strip 15 is arranged, the molding 20 is partially covered by the molding 18 of the first cover strip 14 in this section.
  • FIG. 3 shows a section along the line CC FIG. 4 .
  • Sectionally schematically illustrated format unit 33 is of the strand 1, the format tape 7 and the wrapping strip 9 (which in FIG. 4 not shown) from right to left.
  • the format unit 33 comprises the first cover strip 14 and the second cover strip 15 arranged opposite the first cover strip 14.
  • the second cover strip 15 is preceded by the format element 32.
  • the format element 32 and the first cover strip 14 are preceded by further components such as a so-called finger 34 and an input section 41 arranged at the input of the format unit 33.
  • the wrapping strip 9 is first received spread in a planar orientation and then gradually arched up with its ends to initiate strand forming.
  • FIG. 5 in a section schematically illustrated, another embodiment of a format system for a cigarette rod making machine, the first cover strip 14 in a section similar to the cover strip 14 of the first embodiment in their section according to FIG. 2 educated.
  • the second cover strip 15 has in this section a respect to the cover strip 15 FIG. 2 different contour on.
  • the holding part 19 of the second cover strip 15 forms a counterclockwise inclined to the vertical bearing surface 35, which extends in the plane and an edge portion of the wrapping strip 9 leads.
  • a nozzle 36 of a gluing device 37 Opposite the contact surface 35 is a nozzle 36 of a gluing device 37 (only shown in excerpts), which has a nozzle body which can be screwed into a shaft or used in another way with an outlet opening.
  • the contact surface 35 is provided with a recess, not shown, which is formed such that the edge portion of the wrapping strip 9 at the level of the nozzle 36 on its side facing away from the nozzle 36 receives a slight hollow position and it is a specifiable, easy bending when applying glue possible.
  • the molding 18 engages over the strand 1 in approximately the length L of 94 percent of the diameter of the strand 1, based on the maximum width of the recess 6 in about the length L of 80 percent.
  • the first edge 11 of the format strip 7 is guided in a groove section 22 formed as a guide portion analogous to the guide portion of the first embodiment described above. Reference is made to the above description.
  • the second edge 12 of the format tape 7 is guided on the contact surface 35 to the outside without coverage. This means that no limiting body of the second cover strip 15 are arranged over its front side pointing vertically outwards, as it is, however, in the case of the FIG. 1 and FIG. 2 removable and described above guides the second edge 12 is the case.
  • the wrapping strip 9 extends with an edge region to the outside, which is guided by the contact surface 35.
  • the second edge 12 covers, seen in the projection direction on the front side of the free end of the molding 18, the end face of the free end of the molding 18 partially.
  • the second edge 12 is mounted with a predeterminable game feasible two-sided, especially on the outside 10 by a vertical guide surface of the holding part 19 and on the inside 8 through the aforementioned end face of the molding 18 with the interposition of an edge region of the wrapping strip.
  • a guide portion for the second edge 12 is formed by an interaction of the first cover strip 14 and second cover strip 15, in particular by the molded part 18 and the holding part 19th
  • the second cover strip 15 shown in plan view from above, essentially has a basic shape of an elongate, flat cuboid with a laterally shaped wing extending from one end over approximately half of the longitudinal extent.
  • the wing has an undercut over its longitudinal extent.
  • the second cover strip 15 is provided with two upper side lowered mounting holes.
  • the guide portion for the second edge 12 of the format strip 7 is, as the above explanations, in particular to the FIGS. 1 to 4 , Removable, formed along the longitudinal extent of the second cover strip 15 with a different contour. Seen in the transport direction of the format tape 7, the part having the wing-like projection is located downstream. At the inlet end, as seen in relation to the conveying direction of the format strip 7, the second cover strip 15 with the paragraph-shaped guide portion, as he regards FIG. 2 is explained, in particular at least extends to about half. In the rear direction seen in the transport direction, approximately in the last third of its longitudinal extent, the second cover strip 15 is formed with the groove-like guide portion 27 to its outlet and the wedge-shaped wall 28, as it regards FIG. 1 is explained.
  • the first cover strip 14 essentially has a basic shape of an elongate, flat cuboid with a laterally shaped wing extending over the longitudinal extent.
  • the wing has an undercut along its longitudinal extension and is formed along the longitudinal extent of the first cover strip 14 with a different contour.
  • the first cover strip 14 is provided with a plurality of mounting holes and suction holes, which are arranged in particular with their respective center on a straight line which is parallel spaced from the wing-free longitudinal side.
  • the guide portion for the first edge 11 of the format tape 7 is, as the above explanations, in particular to the FIGS. 1 to 4 , Can be removed, formed along the longitudinal extent of the first cover strip 14 with a groove-like contour.
  • the inlet-side end with respect to the transport direction of the format strip 7 lies in FIG. 8 right rear and the outlet end left front.
  • the respective contour of the guide portion and the wedge-shaped wall 24 is in connection with the description, in particular to the FIGS. 1 to 4 , explained above.
  • a short section is first formed with a paragraph-shaped guide section, before then the groove-shaped contour is formed.
  • the guide section is formed in the first cover strip 14 in the form of a shoulder 38.
  • the shaped as a paragraph 38 guide portion for the first edge 11 is disposed between the holding part 17 and molding 18.
  • the shoulder 38 is bounded on one side by a concave wall 39 and to a second wall 40 arranged transversely to the aforementioned side.
  • the wall 39 and the wall 40 form a guide section which is limited in section on both sides for guiding the format strip 7, in particular for guiding its first edge 11.
  • the paragraph 38 is designed to be open in the direction of the strand 1.
  • the shoulder 38 extends in the radial direction into a depth T in the holding part 17 and into a, in particular to the course of the format strip 7 concentric, circumferential direction.
  • the depth T is less than the height H of the format tape 7.
  • the molded part 18 has a support surface 23.
  • the depth T is dimensioned such that the format strip 7 protrudes with its inner side 8 a small amount, so that the support surface 23 with respect to the format strip and the inside 8 a small amount back, viewed in the counterclockwise direction.
  • the depth T is less than the height of the format strip 7 by an amount between 0.05 to 0.5 mm, preferably 0.07 to 0.35 mm, particularly preferably 0.1-0.25 mm.
  • the depth T also between 0.05 and 0.5 mm, 0.1 to 0.4 mm, 0.3 to 2.0 mm or 0.4 to 1.5 mm.
  • the wrapping material strip is shown schematically to explain the design and operation of the format system and the cover part.
  • These are schematic representations, which should serve for the understanding and not necessarily on strand units realized, more difficult-to-understand parts in the form of their manufacturing drawings represent.

Description

Die vorliegende Erfindung betrifft ein Formatsystem für eine Strangherstellmaschine der tabakverarbeitenden Industrie zum Formen eines Stranges und zum Umhüllen des Stranges mit einem Umhüllungsstreifen nach Anspruch 3 sowie ein Deckteil für ein Formatsystem einer Strangherstellmaschine der tabakverarbeitenden Industrie nach Anspruch 1.The present invention relates to a format system for a tobacco processing industry strand making machine for forming a strand and wrapping the strand with a wrapping strip according to claim 3, and to a top part for a molding system of a tobacco processing industry strand making machine according to claim 1.

Bei Strangherstellmaschinen der tabakverarbeitenden Industrie ist zum Formen eines Stranges und zum Umhüllen des Stranges mit einem Umhüllungsstreifen ein Formatsystem vorgesehen.In strand manufacturing machines of the tobacco processing industry, a format system is provided for forming a strand and wrapping the strand with a wrapping strip.

Ein Formatsystem umfasst ein Basisteil, beispielsweise ein Unterformat, ein in dem Basisteil aufgenommenes Formatband zum Transport des Stranges und - im Falle seiner Umhüllung mit einem Umhüllungsstreifen - auch zum Transport des Umhüllungsstreifens.A format system comprises a base part, for example a sub-format, a format strip accommodated in the base part for transporting the strand and, in the case of its wrapping with a wrapping strip, also for transporting the wrapping strip.

Das Formatband weist eine Innenseite, eine Außenseite, einen ersten Rand und einen dem ersten Rand gegenüberliegenden zweiten Rand auf.The format tape has an inner side, an outer side, a first edge and a second edge opposite the first edge.

Dem Basisteil gegenüberliegend ist ein Deckteil, beispielsweise ein Oberformat, angeordnet, welches einen Führungsabschnitt zum Aufnehmen des ersten Randes des Formatbandes und - im Falle seiner Umhüllung - eine Stützfläche zum Stützen des Umhüllungsstreifens aufweist.Opposite the base part is a cover part, for example an upper format, which has a guide section for receiving the first edge of the format strip and, in the case of its covering, a support surface for supporting the wrapping strip.

Bau- und Arbeitsweise eines Formatsystems sind unter anderem in den Druckschriften DE 36 24 098 A1 , EP 1 293 136 A1 , EP 0 879 564 B1 , EP 1 532 876 A1 näher erläutert und durch Strangherstellmaschinen der Typen PROTOS, KDF, MULFI, MERLIN, TURMALIN der Anmelderin sowie anderer Hersteller von Strangherstellmaschinen bekannt. Zur näheren Erläuterung hinsichtlich der Bau- und Arbeitsweise eines Formatsystems wird auf die vorgenannten Offenbarungsquellen verwiesen, insbesondere auf die DE 36 24 098 A1 , insbesondere hinsichtlich eines Zusammenwirkens und einer Anordnung benachbarter Bauteile/-Gruppen sowie einer Anordnung und Arbeitsweise in einer Strangherstellmaschine.Construction and operation of a format system are, inter alia, in the publications DE 36 24 098 A1 . EP 1 293 136 A1 . EP 0 879 564 B1 . EP 1 532 876 A1 explained in more detail and known by strand production machines of the types PROTOS, KDF, MULFI, MERLIN, TURMALIN the applicant and other manufacturers of strand-making machines. For a more detailed explanation with regard to the construction and operation of a format system, reference is made to the abovementioned disclosure sources, in particular to US Pat DE 36 24 098 A1 , in particular with regard to a cooperation and an arrangement of adjacent components / groups and an arrangement and operation in a strand-making machine.

Aus der GB 444 519 A ist ein Formatsystem für Zigarettenherstellmaschinen mit einem ein Halteteil und ein Formteil umfassenden Deckteil bekannt.From the GB 444 519 A is a format system for cigarette manufacturing machines with a holding part and a molding comprising cover part known.

Bei Strangherstellmaschinen des Typs PROTOS ist das Formatsystem in der Strangeinheit der Maschine angeordnet und formt den Strang aus Tabakfasern und umhüllt den Strang aus Tabakfasern mit dem Umhüllungsstreifen.In PROTOS strand making machines, the format system is located in the machine's strand unit and forms the strand of tobacco fibers and wraps the strand of tobacco fibers with the wrapping strip.

Bei Strangherstellmaschinen des Typs KDF ist das Formatsystem in der Strangeinheit der Maschine angeordnet und formt den Strang aus einem aufbereiteten Filtermaterial endloser Fasern, gewünschtenfalls mit Zusätzen und umhüllt den Strang mit dem Umhüllungsstreifen.In KDF type stranding machines, the format system is located in the strand unit of the machine and forms the strand from a recycled continuous fiber filter material, if desired with additives, and wraps the strand with the wrapping strip.

Bei Strangherstellmaschinen des Typs MERLIN und MULFI ist das Formatsystem in der Strangeinheit der Maschine angeordnet und formt den Strang aus einer Vielzahl in längsachsialer Folge - gewünschtenfalls unter einem Belassen von vorgebbaren Freiräumen - aufeinanderfolgender Filtersegmente und umhüllt den Strang mit dem Umhüllungsstreifen.In MERLIN and MULFI stranding machines, the format system is located in the machine's strand unit and forms the strand from a plurality of longitudinal axial successions, leaving any predetermined clearances, if desired, of successive filter segments and wrapping the strand with the wrapping strip.

Bei Strangherstellmaschinen des Typs TURMALIN ist das Formatsystem in der Strangeinheit der Maschine angeordnet und formt den Strang aus einem Filtermaterial von Fasern endlicher Länge, gewünschtenfalls mit Zusätzen und umhüllt den Strang mit dem Umhüllungsstreifen.In TURMALIN strand making machines, the format system is located in the unit of the machine and forms the strand from a filter material of finite length fibers, if desired with additives, and wraps the strand with the wrapping strip.

Mit bekannten Formatsystemen und bekannten Deckteilen lassen sich bereits Stränge guter Qualität herstellen.With known format systems and known cover parts can already produce strands of good quality.

Aufgabe der vorliegenden Erfindung ist es, ein Formatsystem und ein Deckteil für ein Formatsystem anzugeben, welche ein verbessertes Herstellen geformter Stränge ermöglicht, insbesondere ein Bilden von Falten und/oder Markierungen an einem hergestellten Strang weitgehend vermeiden, insbesondere an einem umhüllten Strang.The object of the present invention is to specify a format system and a cover part for a format system which enables an improved production of shaped strands, in particular largely avoiding formation of wrinkles and / or markings on a manufactured strand, in particular on a wrapped strand.

Diese Aufgabe wird durch ein Formatsystem mit den Merkmalen des Anspruchs 3 und durch ein Deckteil mit den Merkmalen des Anspruchs 1 gelöst.This object is achieved by a format system having the features of claim 3 and by a cover part having the features of claim 1.

Auf diese Weise wird das Herstellen geformter Stränge verbessert und ein Bilden von Falten und/oder Markierungen an einem hergestellten Strang zuverlässig vermieden.In this way, the production of molded strands is improved and reliably avoiding formation of wrinkles and / or marks on a manufactured strand.

Durch ein versetztes Anordnen des Führungsabschnitts für den ersten Rand des Formatbands zur Hüllkurve der Stützfläche des Umhüllungsstreifens ist weiterhin ein sicheres Transportieren und Formen des Stranges und ein störungsfreies Umhüllen des Stranges mit dem Umhüllungsstreifen gewährleistet. Das Formatband kann quasi mit seinem ersten Rand - im Schnitt gesehen - aus dem Strang-Formungskanal zurücktreten, sodass der Hüllstreifen in dem Strang-Formungskanal zu einer großflächigeren und weitgehend knickfreien Anlage gelangt und besser gestützt werden kann. Dabei kann immer noch ausreichend seitlicher Druck auf den Strang ausgeübt werden, um diesen transportieren und formen zu können. Reibkräfte lassen sich auf einfache Weise reduzieren.By a staggered arrangement of the guide portion for the first edge of the format tape to the envelope of the support surface of the wrapping strip further safe transporting and shaping of the strand and a trouble-free wrapping of the strand with the wrapping strip is ensured. The format strip can quasi resign with its first edge - seen in section - from the strand-forming channel, so that the envelope strip in the strand-forming channel reaches a larger area and largely kink-free system and can be better supported. In this case, sufficient lateral pressure can still be exerted on the strand in order to be able to transport and shape it. Frictional forces can be reduced in a simple way.

Wird der Führungsabschnitt in Form eines im Schnitt zweiseitig durch Wände begrenzten Führungskanals oder -abschnitts ausgebildet, lässt sich der erste Rand weitgehend krümmungsfrei oder mit verringerter Krümmung führen und die Standzeit des Formatbands in Folge entfallender Biegewechselbeanspruchungen erhöhen.If the guide section is designed in the form of a guide channel or section bounded on two sides by walls in the section, the first edge can be largely free from curvature or reduced curvature and the service life of the format strip can be increased as a result of corresponding bending cycle stresses.

Der Führungsabschnitt ist in Form eines zum Strang offenen, sich in radialer Richtung in eine Tiefe T und in eine Umfangsrichtung U erstreckenden Absatzes ausgebildet, wodurch ein Zurücktreten des Formatbandes aus dem Strang-Formungskanal auf besonders einfache Weise realisiert werden kann. Ist die Tiefe T des Absatzes geringer als die Höhe H des Formatbandes, kann die Gefahr einer Bildung von Falten und/oder Markierungen bereits wesentlich reduziert und trotzdem ein sicheres Transportieren und Formen des Stranges und ein sicheres Transportieren und Herumlegen des Umhüllungsstreifens gewährleistet werden.The guide portion is formed in the form of a strand open to the, in the radial direction in a depth T and in a circumferential direction U extending paragraph, whereby a withdrawal of the format strip from the strand-forming channel can be realized in a particularly simple manner. If the depth T of the paragraph less than the height H of the format tape, the risk of formation Of wrinkles and / or markings already substantially reduced and still a safe transporting and shaping of the strand and a safe transporting and laying around the wrapping strip are guaranteed.

Umfasst das Deckteil eine erste Deckleiste und eine zu der ersten Deckleiste unterIncludes the cover part of a first cover strip and one to the first cover strip below

Ausbildung eines Spaltes angeordnete zweite Deckleiste, wird eine Vielzahl von Einstellmöglichkeiten geschaffen, insbesondere im Hinblick auf Durchmesseranpassungen. Ragt der Umhüllungsstreifen aus dem Spalt hervor, ist ein gewünschter Leim auf einfache Art und Weise an einer entsprechend vorgesehenen Beleimungsstation im Randbereich des herausragenden Umhüllungsstreifen auftragbar, etwa mit einer Düse.Forming a gap arranged second cover strip, a variety of adjustment is created, especially with regard to diameter adjustments. If the wrapping strip projects out of the gap, a desired glue can be applied in a simple manner to a correspondingly provided gluing station in the edge region of the protruding wrapping strip, for instance with a nozzle.

Übergreift die erste Deckleiste mit ihrem dem Strang zugewandten, freien Ende den Strang um eine Länge L in Projektionsrichtung des Stranges, ist ein optimales Formen des Stranges und Fixieren der durch die beiden übereinander gelegten Randbereiche des Umhüllungsstreifens ausgebildeten Überlappungsnaht gewährleistet.If the first cover strip with its free end facing the strand overlaps the strand by a length L in the direction of projection of the strand, optimum shaping of the strand and fixing of the overlapping seam formed by the two superimposed edge regions of the covering strip are ensured.

Wird das Formatband in einem Abschnitt der Längserstreckung des Formatsystems in Transportrichtung des Stranges im Wesentlichen U-förmig, insbesondere in keinem weiteren Abschnitt des Formatsystems mit einem engeren Abstand der beiden an den beiden Schenkeln des U sich einander gegenüberliegenden ersten Rand und zweiten Rand, führbar vorgesehen, ist eine besonders lange Standzeit des Formatbands in Folge entfallender Biegewechselbeanspruchungen ermöglicht.If the format band in a section of the longitudinal extent of the format system in the transport direction of the strand substantially U-shaped, in particular in any other section of the format system with a closer distance of the two on the two legs of the U opposite first edge and second edge, provided feasible , a particularly long life of the format tape is possible as a result of omitted bending cycle stress.

Wird der zweite Rand des Formatbandes in einem Abschnitt der Längserstreckung des Formatsystems in Transportrichtung des Stranges mit seiner Stirnseite überdeckungsfrei und im Wesentlichen vertikal nach außen gerichtet mit seiner Formatbandinnenseite in Projektionsrichtung auf die Stirnseite des freien Endes der ersten Deckleiste zumindest teilweise überdeckend und zu dieser beabstandet geführt, lässt sich der Umhüllungsstreifen optimal abgestützt an einer Beleimungsstation zum Auftragen von Leim in der sogenannten Leimnahtzone (sogenannte Leimnaht oder Überlappungsnaht) führen und eine Biegewechselbeanspruchung des Formatbandes reduzieren.If the second edge of the format strip in a portion of the longitudinal extent of the format system in the transport direction of the strand with its front side coverage and directed substantially vertically outwards with its format band inside in the projection direction on the front side of the free end of the first cover strip at least partially overlapping and spaced therefrom, the wrapping strip can optimally supported on a gluing station for applying glue in the so-called glue seam zone (so-called glue seam or overlap seam) and reduce bending stress on the format tape.

Die Ausbildung des Deckteils mit den Merkmalen des Anspruchs 1 gewährleistet ein präzises Führen und Entlasten des Formatbandes von Biegewechselbeanspruchungen bei gleichzeitig zuverlässigem Transport und Umhüllen des Stranges mit dem Umhüllungsstreifen. Das Deckteil ist aber ebenso zum Herstellen nicht umhüllter Stränge geeignet, welchen hiermit eine hochqualitative Form verliehen werden kann, insbesondere hinsichtlich Querschnittsschwankungen.The design of the cover part with the features of claim 1 ensures a precise guiding and relieving the format strip of bending cycles while reliably transporting and wrapping the strand with the wrapping strip. However, the cover part is also suitable for producing uncoated strands, which hereby can be given a high-quality form, in particular with regard to cross-sectional fluctuations.

Ist der Abstand zwischen den Wänden größer als die Höhe H des Formatbandes, insbesondere wenn er der Höhe H plus einem vorgegebenen Spiel entspricht, insbesondere mit einem Spiel von in etwa 0,1 bis 2,0 mm, bevorzugt 0,15 bis 1,5 mm, lässt sich eine zum zuverlässigen und störungsfreien Abstützen und Führen des Hüllmaterialstreifens optimierte Stützfläche realisieren und ein besonders reibungsarmes Führen des Formatbandes gewährleisten, insbesondere ein Reduzieren von Reibkräften erzielen.Is the distance between the walls greater than the height H of the format strip, in particular if it corresponds to the height H plus a predetermined game, in particular with a game of about 0.1 to 2.0 mm, preferably 0.15 to 1.5 mm, can be realized for a reliable and trouble-free supporting and guiding the Hüllmaterialstreifens optimized support surface and ensure a particularly low-friction guiding the format strip, in particular a reduction of Achieve frictional forces.

Ist das Formteil in einem Abschnitt seiner Längserstreckung ausgehend von dem Führungskanal oder -abschnitt in Richtung zu seinem freien Ende im Schnitt zunächst an Materialstärke abnehmend und dann wieder zunehmend ausgebildet, insbesondere die Materialstärke an der Stirnseite höher als die minimale Materialstärke entlang der Strecke zwischen dem freien Ende und dem Führungskanal oder -abschnitt, lässt sich eine festigkeits- und fertigungsoptimierte Ausgestaltung des Deckteils realisieren. Die vorliegende Erfindung geht damit einen vollkommen neuen und andersartigen Weg als er zu bekannten Formatsystemen und bekannten Deckteilen vorgeschlagen ist.Is the molding in a section of its longitudinal extent, starting from the guide channel or section toward its free end in section initially decreasing in material thickness and then increasingly formed, especially the material thickness at the front higher than the minimum material thickness along the distance between the free End and the guide channel or section, can be a strength and production optimized design of the cover realized. The present invention thus takes a completely new and different route than proposed for known format systems and known cover parts.

Weitere Merkmale der Erfindung sind den Patentansprüchen und der nachfolgenden Beschreibung von Ausführungsbeispielen der Erfindung entnehmbar.Further features of the invention are the claims and the following description of embodiments of the invention removable.

Die in den Patentansprüchen und/oder in der vorliegenden Beschreibung genannten Merkmale führen bereits jeweils für sich genommen, voneinander unabhängig, als auch in ihren unterschiedlichen Kombinationen zu Verbesserungen bekannter Formatsysteme und/oder Deckteile. Die unterschiedlichen Kombinationen haben synergistische Effekte.The features mentioned in the patent claims and / or in the present description already lead in themselves, independently of one another, as well as in their different combinations to improvements of known format systems and / or cover parts. The different combinations have synergistic effects.

Die vorliegende Erfindung wird nachstehend anhand von zwei Ausführungsbeispielen näher erläutert, welche in den Figuren dargestellt sind. Zu eventuell in der vorliegenden Beschreibung nicht näher erläuterten Merkmalen wird ausdrücklich auf die Figuren verwiesen.

  • Figur 1 zeigt ein erstes Ausführungsbeispiel eines Formatsystems schematisch in einem ersten Schnitt.
  • Figur 2 zeigt das Ausführungsbeispiel aus Figur 1 schematisch in einem zweiten Schnitt.
  • Figur 3 zeigt das Ausführungsbeispiel aus Figur 1 schematisch in einem dritten Schnitt.
  • Figur 4 zeigt eine Aufsicht auf einen Ausschnitt einer schematisch dargestellten Formateinheit mit einem Formatsystem nach den Figuren 1 bis 3.
  • Figur 5 zeigt ein zweites Ausführungsbeispiel eines Formatsystems schematisch in einem Schnitt.
  • Figur 6 zeigt schematisch eine erste Ansicht einer ersten Deckleiste eines Deckteils.
  • Figur 7 zeigt schematisch eine zweite Ansicht der ersten Deckleiste aus Figur 6.
  • Figur 8 zeigt schematisch eine Ansicht einer zweiten Deckleiste eines Deckteils.
  • Figur 9 zeigt eine weitere Ausführung eines des Formatsystems schematisch im Schnitt.
The present invention will be explained in more detail below with reference to two exemplary embodiments, which are illustrated in the figures. For any unspecified in the present description features is expressly made to the figures.
  • FIG. 1 shows a first embodiment of a format system schematically in a first section.
  • FIG. 2 shows the embodiment FIG. 1 schematically in a second section.
  • FIG. 3 shows the embodiment FIG. 1 schematically in a third section.
  • FIG. 4 shows a plan view of a section of a schematically represented format unit with a format system according to the FIGS. 1 to 3 ,
  • FIG. 5 shows a second embodiment of a format system schematically in a section.
  • FIG. 6 schematically shows a first view of a first cover strip of a cover part.
  • FIG. 7 schematically shows a second view of the first cover strip FIG. 6 ,
  • FIG. 8 schematically shows a view of a second cover strip of a cover part.
  • FIG. 9 shows a further embodiment of the one of the format system schematically in section.

Die in den Figuren 1 bis 8 dargestellten Ausgestaltungen fallen nicht unter den Schutzumfang des Patents.The in the FIGS. 1 to 8 Illustrated embodiments are not within the scope of the patent.

Das in Figur 1 in einem ersten Schnitt schematisch dargestellte Formatsystem einer Strangherstellmaschine zum Herstellen eines als Multifilterstrang 1 ausgebildeten Stranges umfasst ein als Unterformat 2 ausgebildetes, im Schnitt im Wesentlichen rechteckförmig geformtes und sich in und aus der Zeichenebene hinein bzw. hinaus erstreckendes Basisteil.This in FIG. 1 in a first section schematically illustrated a system of Strangherstellmaschine for producing a strand formed as a multifilament strand 1 comprises a formed as a lower format 2, in section substantially rectangular-shaped and in and out of the plane in or out extending base part.

Das Unterformat 2 ist mit zwei sich in die Zeichenebene hinein erstreckenden Kühlkanälen 3 und Saugbohrungen 4 versehen, welche das Unterformat 2 in vertikaler Richtung durchsetzten und in Zeichenebene betrachtet über die Längserstreckung des Unterformats 2 beabstandet zueinander angeordnet sind.The sub-format 2 is provided with two extending into the plane of the cooling channels 3 and suction holes 4, which penetrated the lower format 2 in the vertical direction and viewed in the plane of the drawing over the longitudinal extent of the sub-format 2 are spaced from each other.

An dem Unterformat 2 ist bodenseitig ein Stutzen 5 zur Zufuhr eines Kühlmediums vorgesehen, welches die Kühlkanäle 3 durchströmt.On the lower format 2, a nozzle 5 for supplying a cooling medium is provided on the bottom side, which flows through the cooling channels 3.

An der Oberseite des Unterformats 2 ist eine muldenartige, halbschalenförmige Vertiefung 6 ausgeformt, in welcher ein in Zeichenebene hinein endlos umlaufend antreibbares Formatband 7 aufgenommen ist.At the top of the lower format 2, a trough-like, half-shell-shaped depression 6 is formed, in which a format strip 7, which can be driven endlessly circumferentially in the plane of the drawing, is received.

Das Formatband 7 weist eine Innenseite 8, auf welcher ein Umhüllungsstreifen 9 aufliegt, eine Außenseite 10, welche zum Teil in der Vertiefung 6 aufliegt, einen ersten Rand 11 und einen dem ersten Rand 11 gegenüberliegenden zweiten Rand 12 auf.The format strip 7 has an inner side 8, on which a wrapping strip 9 rests, an outer side 10, which rests partially in the recess 6, a first edge 11 and a second edge 12 opposite the first edge 11.

Dem Unterformat 2 gegenüberliegend ist ein Deckteil 13 angeordnet, welches eine erste Deckleiste 14 und eine zweite Deckleiste 15 umfasst. Das Deckteil 13, die erste Deckleiste 14 und die zweite Deckleiste 15 erstrecken sich in und aus der Zeichenebene hinein bzw. hinaus. Sie haben im Wesentlichen die Form eines langgezogenen, flachen Quaders.The lower format 2 opposite a cover member 13 is arranged, which comprises a first cover strip 14 and a second cover strip 15. The cover part 13, the first cover strip 14 and the second cover strip 15 extend into and out of the drawing plane or out. They essentially have the shape of a long, flat cuboid.

Die erste Deckleiste 14 und die zweite Deckleiste 15 des Deckteils 13 sind über nicht dargestellte, lösbare Befestigungsmittel an dem Unterformat 2 befestigt und gegenüber dem Unterformat 2 über austauschbare Zwischenlagen 16 in ihrem jeweiligen Abstand zu dem Unterformat 2 einstellbar vorgesehen.The first cover strip 14 and the second cover strip 15 of the cover part 13 are fastened to the lower format 2 via non-illustrated, releasable fastening means and provided adjustable relative to the lower format 2 via exchangeable intermediate layers 16 in their respective distance to the lower format 2.

Die erste Deckleiste 14 umfasst ein Halteteil 17 und ein Formteil 18, welche miteinander einstückig verbunden sind. Die zweite Deckleiste 15 umfasst ein Halteteil 19 und ein Formteil 20, welche miteinander einstückig verbunden sind. Die erste Deckleiste 14 und die zweite Deckleiste 15 sind einander mit ihren Formteilen 18 bzw. 20 zugekehrt angeordnet. Die lateralen, in ihrer Längserstreckung jeweils mit veränderlicher Kontur ausgebildeten Stirnseiten der Deckleisten 14, 15 sind einander zugekehrt. Zwischen der ersten Deckleiste 14 und der zweiten Deckleiste 15 ist ein Spalt 21 ausgebildet. Der Spalt 21 erstreckt sich in die Zeichenebene hinein und hinaus zwischen dem Formteil 18 der ersten Deckleiste 14 und dem Formteil 20 der zweiten Deckleiste 15. Der Spalt 21 ändert - in Projektionsrichtung auf das Unterformat 2 gesehen - seine Lage entlang der Längserstreckung des Deckteils 13, der ersten Deckleiste 14 und der zweiten Deckleiste 15 wie es aus den Figuren 1 bis 4 besonders deutlich hervorgeht.The first cover strip 14 comprises a holding part 17 and a molded part 18, which are integrally connected to one another. The second cover strip 15 comprises a holding part 19 and a molding 20, which are integrally connected to each other. The first cover strip 14 and the second cover strip 15 are arranged facing each other with their mold parts 18 and 20 respectively. The lateral, in their longitudinal extent each with a variable contour formed end faces of the cover strips 14, 15 are facing each other. Between the first cover strip 14 and the second cover strip 15, a gap 21 is formed. The gap 21 extends into the plane of the drawing and out between the molded part 18 of the first cover strip 14 and the molded part 20 of the second cover strip 15. The gap 21 changes its position along the longitudinal extension of the cover part 13, viewed in the projection direction on the lower format 2. the first cover strip 14 and the second cover strip 15 as it is from the FIGS. 1 to 4 particularly clear.

Das Deckteil 13 weist einen in der ersten Deckleiste 14 angeordneten Führungsabschnitt auf, welcher in Form einer rechteckförmigen Nut 22 mit einem Nutgrund ausgebildet ist. Von dem Nutgrund aus erstrecken sich zwei im Wesentlichen parallel zueinander beabstandete Begrenzungsflächen in Richtung des Unterformats 2, auf das Unterformat 2 senkrecht zulaufend.The cover part 13 has a guide section which is arranged in the first cover strip 14 and which is designed in the form of a rectangular groove 22 with a groove base. From the groove bottom, two boundary surfaces spaced substantially parallel to one another extend in the direction of the lower format 2, tapering perpendicularly to the lower format 2.

In der Nut 22 ist das den ersten Rand 11 und den zweiten Rand 12 aufweisende Formatband 7 mit seinem ersten Rand 11 beweglich aufgenommen, um es in die Zeichenebene hinein und hinaus durch einen nicht näher dargestellten Antrieb ziehen zu können. Auf dem Formatband 7 liegt der Umhüllungsstreifen 9 mit einem überwiegenden Teil seiner Breite unter einem Belassen von Randbereichen auf.In the groove 22, the first edge 11 and the second edge 12 having format tape 7 is movably received with its first edge 11 to pull it in the drawing plane and beyond by a drive, not shown. On the format strip 7, the wrapping strip 9 lies with a predominant part of its width, leaving edge regions.

Das Deckteil 13 weist weiterhin eine in der ersten Deckleiste 14 angeordnete Stützfläche 23 auf, welche den Umhüllungsstreifen 9 beweglich abstützt. Die Stützfläche 23 ist im Wesentlichen konkav, teilschalenförmig an der dem Strang 1 und dem Unterformat 2 zugewandten Seite des Formatteils 18 ausgebildet und erstreckt sich in Umfangsrichtung und in Transportrichtung des Stranges 1.The cover part 13 furthermore has a support surface 23 arranged in the first cover strip 14, which supportably supports the cover strip 9. The support surface 23 is substantially concave, partially cup-shaped on the strand 1 and the Sub-format 2 facing side of the format part 18 is formed and extends in the circumferential direction and in the transport direction of the strand. 1

Der als Nut 22 ausgebildete Führungsabschnitt für den ersten Rand 11 des Formatbandes 7 ist im Schnitt durch zwei einander gegenüberliegende Wände 24 und 25 ausgebildet und lateral begrenzt. Die Wände 24 und 25 weisen an ihren einander gegenüberliegenden Seiten die vorgenannten Begrenzungsflächen auf. Die Wand 24 weist einen im Schnitt konvergierenden, insbesondere keilförmigen Verlauf auf und verjüngt sich beginnend auf Höhe des Bodens der Nut 22 bzw. des Nutgrunds hin zum offenen Ende des als Nut 22 ausgebildeten Führungsabschnitts bzw. dem Nutauslauf, in einem kurvenartigen Verlauf.The formed as a groove 22 guide portion for the first edge 11 of the format strip 7 is formed in section by two opposing walls 24 and 25 and bounded laterally. The walls 24 and 25 have on their opposite sides of the aforementioned boundary surfaces. The wall 24 has a converging in section, in particular wedge-shaped course and tapers, starting at the level of the bottom of the groove 22 and the groove bottom toward the open end of the groove 22 formed as the guide portion and the Nutauslauf, in a curved course.

Der Führungsabschnitt 22, welcher in dem vorliegenden Ausführungsbeispiel als nutartige Vertiefung, Nut oder Ausnehmung ausgebildet ist, ist gegenüber der Hüllkurve der Stützfläche 23 versetzt angeordnet. Dabei ist unter Hüllkurve eine Kurve zu verstehen, welche sich bei einem Fortführen der Kontur der Stützfläche 23 im Schnitt ergibt. Damit liegt die Außenseite 10 des Formatbandes 7 mit ihrem ersten Rand 11 nicht - wie im Stand der Technik - auf einer stetig verlaufenden und stetig fortgesetzten Kontur der Stützfläche 23 an, sondern tritt gegenüber der Stützfläche 23 zurück.The guide section 22, which is formed in the present embodiment as a groove-like depression, groove or recess, is offset relative to the envelope of the support surface 23. In this case, an envelope is to be understood as a curve, which results in a continuation of the contour of the support surface 23 in section. Thus, the outer side 10 of the format strip 7 with its first edge 11 does not rest on a continuously extending and continuously continued contour of the support surface 23, as in the prior art, but recedes relative to the support surface 23.

Der hier als Nut 22 oder nutartige Vertiefung ausgebildete Führungsabschnitt ist gewissermaßen von der Stützfläche 23 abgeschwenkt, räumlich getrennt oder versetzt. Andersherum ausgedrückt ist hier quasi eine Zwischenwand in Form der Wand 24 eingezogen.The trained here as a groove 22 or groove-like guide portion is effectively pivoted away from the support surface 23, spatially separated or offset. In other words, an intermediate wall in the form of the wall 24 is quasi drawn in here.

Das Formteil 20 der zweiten Deckleiste 15 ist unterseitig mit einer konkaven, teil schalenförmig ausgebildeten Stützfläche 26 versehen. Die Stützfläche 26 ist dem Unterformat 2 und dessen Vertiefung 6 zugewandt angeordnet. Die Stützfläche 26 stützt in dem in Figur 1 dargestellten Schnitt die Außenseite des Umhüllungsstreifens 9 und übergreift den Strang 1 über dessen Scheitelpunkt hinaus.The molding 20 of the second cover strip 15 is underside with a concave, part cup-shaped support surface 26 is provided. The support surface 26 is arranged facing the lower format 2 and its recess 6. The support surface 26 is supported in the in FIG. 1 illustrated section the outside of the wrapping strip 9 and overlaps the strand 1 beyond its vertex.

Die zweite Deckleiste 15 übergreift dabei mit ihrem den Strang 1 oder auch der Vertiefung 6 zugewandten, die Stützfläche 26 tragenden, freien Ende den Strang 1 um eine Länge L, in Projektionsrichtung des Stranges 1 oder der Vertiefung 6 gesehen, in einem Abschnitt ihrer Längserstreckung.The second cover strip 15 engages with her the strand 1 or the recess 6 facing, the support surface 26 bearing, free end of the strand 1 by a length L, seen in the projection direction of the strand 1 or the recess 6, in a portion of its longitudinal extent.

Die Länge L beträgt hierbei etwa 73 Prozent des Durchmessers des Stranges 1, oder auf die Vertiefung 6 bezogen, etwa 67 Prozent der maximalen Breite der Vertiefung 6 an dieser Stelle.The length L is in this case about 73 percent of the diameter of the strand 1, or related to the recess 6, about 67 percent of the maximum width of the recess 6 at this point.

Die Vertiefung 6 ist im Schnitt mit einem Radius ausgeformt, welcher in etwa dem Radius des Stranges 1 plus der Höhe H des Formatbandes 7 entspricht. Die Vertiefung 6 hat im Schnitt eine Form einer Halbschale.The recess 6 is formed in section with a radius which corresponds approximately to the radius of the strand 1 plus the height H of the format strip 7. The recess 6 has in section a shape of a half-shell.

In der zweiten Deckleiste 15 ist ein Führungsabschnitt angeordnet, welcher in Form einer rechteckförmigen Nut 27 mit einem Nutgrund ausgebildet ist. Von dem Nutgrund aus erstrecken sich zwei im Wesentlichen parallel zueinander beabstandete Begrenzungsflächen in Richtung des Unterformats 2, auf das Unterformat 2 senkrecht zulaufend. In der Nut 27 ist das Formatband 7 mit seinem zweiten Rand 12 beweglich aufgenommen, um es in die Zeichenebene hinein und hinaus durch den nicht näher dargestellten Antrieb ziehen zu können.In the second cover strip 15, a guide portion is arranged, which is formed in the form of a rectangular groove 27 with a groove bottom. From the groove bottom, two boundary surfaces spaced substantially parallel to one another extend in the direction of the lower format 2, tapering perpendicularly to the lower format 2. In the groove 27, the format tape 7 is movably received with its second edge 12 in order to draw it in the plane and out through the drive, not shown.

Der in dem Formteil 20 als Nut 27 ausgebildete Führungsabschnitt ist im Schnitt durch zwei einander gegenüberliegende Wände 28 und 29 ausgebildet und lateral begrenzt. Die Wände 28 und 29 weisen an ihren einander gegenüberliegenden Seiten die vorgenannten Begrenzungsflächen auf. Die Wand 28 weist einen im Schnitt konvergierenden, insbesondere keilförmigen Verlauf auf und verjüngt sich beginnend auf Höhe des Bodens der Nut 27 bzw. des Nutgrunds hin zum offenen Ende des als Nut 27 ausgebildeten Führungsabschnitts bzw. dem Nutauslauf, in einem kurvenartigen Verlauf.The formed in the molding 20 as a groove 27 guide section is in section formed by two opposing walls 28 and 29 and bounded laterally. The walls 28 and 29 have on their opposite sides of the aforementioned boundary surfaces. The wall 28 has a converging in section, in particular wedge-shaped course and tapers, starting at the level of the bottom of the groove 27 and the groove bottom toward the open end of the groove 27 formed as a guide portion and the Nutauslauf, in a curved course.

Die Nut 27 ist gegenüber der Hüllkurve der Stützfläche 26 des Formteils 20 der zweiten Deckleiste 15 versetzt angeordnet. Was unter "versetzt angeordnet" zu verstehen ist, wurde bereits vorstehend erläutert.The groove 27 is offset relative to the envelope of the support surface 26 of the molded part 20 of the second cover strip 15. What is meant by "staggered" has already been explained above.

Die Wände 24, 25 der ersten Deckleiste 14 und die Wände 28, 29 der zweiten Deckleiste 15 bilden jeweils Führungsflächen für den jeweiligen Rand 11, 12 des Formatbandes 7 aus.The walls 24, 25 of the first cover strip 14 and the walls 28, 29 of the second cover strip 15 each form guide surfaces for the respective edge 11, 12 of the format strip 7.

Als Führungsflächen können hierbei auch der jeweilige Nutgrund der Nuten 22 und 27 dienen.In this case, the respective groove bottom of the grooves 22 and 27 can serve as guide surfaces.

Die erste Deckleiste 14 und/oder die zweite Deckleiste 15 weisen jeweils zwei durch die Wände 24, 25 (erste Deckleiste 14), 28, 29 (zweite Deckleiste 15) ausgebildete Führungsflächen für den jeweiligen Rand 11 (erster Rand), 12 (zweiter Rand) des Formatbandes 7 auf. Die Führungsflächen werden durch die vorstehend genannten Begrenzungsflächen der jeweils als Nut 22, 27 ausgebildeten Führungsabschnitte oder -kanäle ausgebildet.The first cover strip 14 and / or the second cover strip 15 each have two through the walls 24, 25 (first cover strip 14), 28, 29 (second cover strip 15) formed guide surfaces for the respective edge 11 (first edge), 12 (second edge ) of the format tape 7. The guide surfaces are formed by the aforementioned boundary surfaces of each formed as a groove 22, 27 guide portions or channels.

Figur 1 zeigt einen Schnitt entlang der Linie E-E aus Figur 4. FIG. 1 shows a section along the line EE FIG. 4 ,

In dem in Figur 2 dargestellten zweiten Schnitt des Ausführungsbeispiels von Figur 1 ist das Formteil 18 der ersten Deckleiste 14 langgezogen ausgebildet, derart, dass es in Projektionsrichtung quer zu seiner Längserstreckung den Scheitelpunkt des Stranges 1 überragt. Die Stützfläche 23 für den Umhüllungsstreifen 9 weist einen Auslaufabschnitt 30 auf, welcher an einen an der Nut 22 beginnenden Krümmungsabschnitt 31 der Stützfläche 23 tangential anschließt.In the in FIG. 2 illustrated second section of the embodiment of FIG. 1 is the molded part 18 of the first cover strip 14 formed elongated, such that it projects beyond the apex of the strand 1 in the projection direction transverse to its longitudinal extent. The support surface 23 for the wrapping strip 9 has an outlet section 30, which connects tangentially to a beginning on the groove 22 curvature portion 31 of the support surface 23.

Die Länge L beträgt hierbei etwa 93 Prozent des Durchmessers des Stranges 1 oder auf die Vertiefung 6 bezogen, etwa 78 Prozent der maximalen Breite der Vertiefung 6 an dieser Stelle.The length L is in this case about 93 percent of the diameter of the strand 1 or related to the recess 6, about 78 percent of the maximum width of the recess 6 at this point.

Der Führungsabschnitt der zweiten Deckleiste 15 ist an dieser Stelle im Schnitt absatzförmig ausgeformt, mit einer ersten Begrenzungswand, welche sich senkrecht erstreckt und mit einer zweiten Begrenzungswand, welche sich quer zu der ersten Begrenzungswand erstreckt.The guide portion of the second cover strip 15 is formed at this point in section paragraph-shaped, with a first boundary wall which extends vertically and with a second boundary wall, which extends transversely to the first boundary wall.

Die zweite Begrenzungswand unterschreitet in ihrer Erstreckung quer zu der ersten Begrenzungswand die Höhe H des Formatbandes 7, um den zweiten Rand 12 des Formatbandes 7 leicht hervorstehend zu führen. Im Optimalfall ist der Übergang "sprungfrei" gestaltet.The second boundary wall, in its extension transversely to the first boundary wall, falls below the height H of the format strip 7 in order to guide the second edge 12 of the format strip 7 slightly protruding. In the optimal case, the transition is designed "jump-free".

Zwischen dem Halteteil 19 der zweiten Deckleiste 15 und dem Unterformat 2 sind Zwischenlagen 16 angeordnet. Das zweite Formteil 20 ist an dieser Stelle bis zum Halteteil 19 zurückgenommen, etwa bis auf Höhe der außenseitigen Kante des absatzförmigen Führungsabschnitts.Between the holding part 19 of the second cover strip 15 and the lower format 2 intermediate layers 16 are arranged. The second mold part 20 is withdrawn at this point to the holding part 19, approximately up to the level of the outside edge of the heel-shaped guide portion.

Figur 2 zeigt einen Schnitt entlang der Linie D-D aus Figur 4. FIG. 2 shows a section along the line DD FIG. 4 ,

In dem in Figur 3 dargestellten dritten Schnitt des Ausführungsbeispiels von Figur 1 ist das Formteil 18 der ersten Deckleiste 14 verkürzt gegenüber der in Figur 4 dargestellten Ausgestaltung ausgebildet, derart dass es in Projektionsrichtung quer zu seiner Längserstreckung vor dem Scheitelpunkt des Stranges 1 endet.In the in FIG. 3 illustrated third section of the embodiment of FIG. 1 is the molding 18 of the first cover strip 14 shortened relative to the in FIG. 4 formed embodiment, such that it ends in the projection direction transverse to its longitudinal extent in front of the apex of the strand 1.

Die Stützfläche 23 weist einen steileren Anstieg als in dem in Figur 2 und in Figur 1 dargestellten Schnitt auf. In dem in Figur 3 dargestellten Schnitt ist der ersten Deckleiste 14 gegenüberliegend ein mehrteiliges, lösbar montierbar und demontierbares Formatelement 32 angeordnet. In Zeichenebene gesehen, hinter dem Formatelement 32, ist die zweite Deckleiste 15 angeordnet, deren Formteil 20 zum Teil durch das Formteil 18 der ersten Deckleiste 14 in diesem Schnitt verdeckt ist.The support surface 23 has a steeper slope than in the FIG. 2 and in FIG. 1 shown section. In the in FIG. 3 illustrated section of the first cover strip 14 opposite a multi-part, detachably mounted and removable format element 32 is arranged. Seen in the plane of the drawing, behind the format element 32, the second cover strip 15 is arranged, the molding 20 is partially covered by the molding 18 of the first cover strip 14 in this section.

Figur 3 zeigt einen Schnitt entlang der Linie C-C aus Figur 4. FIG. 3 shows a section along the line CC FIG. 4 ,

Die in Figur 4 ausschnittsweise schematisch dargestellte Formateinheit 33 wird von dem Strang 1, dem Formatband 7 und dem Umhüllungsstreifen 9 (welche in Figur 4 nicht dargestellt sind) von rechts nach links durchlaufen.In the FIG. 4 Sectionally schematically illustrated format unit 33 is of the strand 1, the format tape 7 and the wrapping strip 9 (which in FIG. 4 not shown) from right to left.

Die Formateinheit 33 umfasst die erste Deckleiste 14 und die der ersten Deckleiste 14 gegenüberliegend angeordnete zweite Deckleiste 15. Der zweiten Deckleiste 15 ist das Formatelement 32 vorgeschaltet. Dem Formatelement 32 und der ersten Deckleiste 14 sind weitere Bestandteile wie ein sogenannter Finger 34 und ein am Eingang der Formateinheit 33 angeordneter Eingangsabschnitt 41 vorgeschaltet. In dem Eingangsabschnitt 35 wird der Umhüllungsstreifen 9 zunächst in einer ebenen Ausrichtung ausgebreitet aufgenommen und dann nach und nach mit seinen Enden hoch gewölbt, um die Strangformung einzuleiten.The format unit 33 comprises the first cover strip 14 and the second cover strip 15 arranged opposite the first cover strip 14. The second cover strip 15 is preceded by the format element 32. The format element 32 and the first cover strip 14 are preceded by further components such as a so-called finger 34 and an input section 41 arranged at the input of the format unit 33. In the input portion 35, the wrapping strip 9 is first received spread in a planar orientation and then gradually arched up with its ends to initiate strand forming.

Die vorgenannten Bauteile sind mittels lösbarer Verbindungselemente mit dem Unterformat 2 verbunden, etwa wie in Figur 4 durch Schraubverbindungen andeutende Kreise symbolisiert.The aforementioned components are connected by means of releasable fasteners with the sub-format 2, as in FIG. 4 symbolized by screw connections suggestive circles.

Bei dem in Figur 5 in einem Schnitt schematisch dargestellten, weiteren Ausführungsbeispiels eines Formatsystems für eine Zigarettenstrangmaschine ist die erste Deckleiste 14 in einem Abschnitt ähnlich der Deckleiste 14 aus dem ersten Ausführungsbeispiel in deren Schnitt gemäß Figur 2 ausgebildet.At the in FIG. 5 in a section schematically illustrated, another embodiment of a format system for a cigarette rod making machine, the first cover strip 14 in a section similar to the cover strip 14 of the first embodiment in their section according to FIG. 2 educated.

Die zweite Deckleiste 15 weist in diesem Schnitt eine gegenüber der Deckleiste 15 aus Figur 2 verschiedene Kontur auf.The second cover strip 15 has in this section a respect to the cover strip 15 FIG. 2 different contour on.

Das Halteteil 19 der zweiten Deckleiste 15 bildet eine gegen die Vertikale entgegen dem Uhrzeigersinn geneigte Anlagefläche 35 aus, welche sich in die Zeichenebene erstreckt und einen Randbereich des Umhüllungsstreifens 9 führt. Der Anlagefläche 35 gegenüberliegend ist eine Düse 36 einer Beleimungsvorrichtung 37 (nur auszugsweise dargestellt) angeordnet, welche einen in einen Schaft einschraubbaren oder anders einsetzbaren Düsenkörper mit einer Austrittsöffnung aufweist.The holding part 19 of the second cover strip 15 forms a counterclockwise inclined to the vertical bearing surface 35, which extends in the plane and an edge portion of the wrapping strip 9 leads. Opposite the contact surface 35 is a nozzle 36 of a gluing device 37 (only shown in excerpts), which has a nozzle body which can be screwed into a shaft or used in another way with an outlet opening.

Die Anlagefläche 35 ist mit einer nicht dargestellten Vertiefung versehen, welche derart ausgebildet ist, dass der Randbereich des Umhüllungsstreifens 9 auf Höhe der Düse 36 auf seiner der Düse 36 abgewandten Seite eine leichte Hohllage erhält und ihm ein vorgebbares, leichtes Durchbiegen beim Leimauftrag ermöglicht ist.The contact surface 35 is provided with a recess, not shown, which is formed such that the edge portion of the wrapping strip 9 at the level of the nozzle 36 on its side facing away from the nozzle 36 receives a slight hollow position and it is a specifiable, easy bending when applying glue possible.

Das Formteil 18 übergreift den Strang 1 in etwa um die Länge L von 94 Prozent des Durchmessers des Stranges 1, bezogen auf die maximale Breite der Vertiefung 6 in etwa um die Länge L von 80 Prozent.The molding 18 engages over the strand 1 in approximately the length L of 94 percent of the diameter of the strand 1, based on the maximum width of the recess 6 in about the length L of 80 percent.

Der erste Rand 11 des Formatbandes 7 ist in einem als Nut 22 ausgebildeten Führungsabschnitt analog zu dem Führungsabschnitt des ersten vorstehend beschriebenen Ausführungsbeispiels geführt. Auf die vorstehende Beschreibung wird entsprechend verwiesen.The first edge 11 of the format strip 7 is guided in a groove section 22 formed as a guide portion analogous to the guide portion of the first embodiment described above. Reference is made to the above description.

Der zweite Rand 12 des Formatbands 7 ist an der Anlagefläche 35 nach außen überdeckungsfrei geführt. Das heißt, dass über seiner nach vertikal außen weisenden Stirnseite keine begrenzenden Körper der zweiten Deckleiste 15 angeordnet sind, wie es hingegen bei den Figur 1 und Figur 2 entnehmbaren und vorstehend beschriebenen Führungen des zweiten Randes 12 der Fall ist.The second edge 12 of the format tape 7 is guided on the contact surface 35 to the outside without coverage. This means that no limiting body of the second cover strip 15 are arranged over its front side pointing vertically outwards, as it is, however, in the case of the FIG. 1 and FIG. 2 removable and described above guides the second edge 12 is the case.

Zwischen der Stirnseite des freien Endes am Formteil 18 der ersten Deckleiste 14 und der Innenseite 8 des zweiten Randes 12 des Formatbands 7 erstreckt sich der Umhüllungsstreifen 9 mit einem Randbereich nach außen, welcher durch die Anlagefläche 35 geführt ist.Between the end face of the free end on the molded part 18 of the first cover strip 14 and the inner side 8 of the second edge 12 of the format strip 7, the wrapping strip 9 extends with an edge region to the outside, which is guided by the contact surface 35.

Der zweite Rand 12 überdeckt, in Projektionsrichtung auf die Stirnseite des freien Endes des Formteils 18 gesehen, die Stirnseite des freien Endes des Formteils 18 teilweise.The second edge 12 covers, seen in the projection direction on the front side of the free end of the molding 18, the end face of the free end of the molding 18 partially.

Hierdurch wird der zweite Rand 12 mit einem vorgebbaren Spiel führbar zweiseitig gelagert, insbesondere auf der Außenseite 10 durch eine vertikale Führungsfläche des Halteteils 19 und auf der Innenseite 8 durch die vorgenannte Stirnseite des Formteils 18 unter Zwischenschaltung eines Randbereichs des Umhüllungsstreifens.As a result, the second edge 12 is mounted with a predeterminable game feasible two-sided, especially on the outside 10 by a vertical guide surface of the holding part 19 and on the inside 8 through the aforementioned end face of the molding 18 with the interposition of an edge region of the wrapping strip.

Auf diese Weise ist ein Führungsabschnitt für den zweiten Rand 12 durch ein Zusammenwirken von erster Deckleiste 14 und zweiter Deckleiste 15 ausgeformt, insbesondere durch das Formteil 18 und das Halteteil 19.In this way, a guide portion for the second edge 12 is formed by an interaction of the first cover strip 14 and second cover strip 15, in particular by the molded part 18 and the holding part 19th

Die in einer perspektivischen Ansicht in Figur 6 mit Aufsicht von unten und in Figur 7 mit Aufsicht von oben dargestellte zweite Deckleiste 15 hat im Wesentlichen eine Grundform eines langgestreckten, flachen Quaders mit einem sich von einem Ende über etwa die Hälfte der Längserstreckung erstreckenden, seitlich ausgeformten Flügel. Der Flügel weist über seine Längserstreckung eine Hinterschneidung auf.The in a perspective view in FIG. 6 with supervision from below and in FIG. 7 The second cover strip 15, shown in plan view from above, essentially has a basic shape of an elongate, flat cuboid with a laterally shaped wing extending from one end over approximately half of the longitudinal extent. The wing has an undercut over its longitudinal extent.

Die zweite Deckleiste 15 ist mit zwei oberseitig abgesenkten Befestigungsbohrungen versehen.The second cover strip 15 is provided with two upper side lowered mounting holes.

Der Führungsabschnitt für den zweiten Rand 12 des Formatbandes 7 ist, wie den vorstehenden Erläuterungen, insbesondere zu den Figuren 1 bis 4, entnehmbar ist, entlang der Längserstreckung der zweiten Deckleiste 15 mit einer unterschiedlichen Kontur ausgeformt. In Transportrichtung des Formatbands 7 gesehen, liegt der den flügelartigen Ansatz aufweisende Teil stromabwärts. Am einlaufseitigen Ende, in Bezug auf die Förderrichtung des Formatbandes 7 gesehen, ist die zweite Deckleiste 15 mit dem absatzförmigen Führungsabschnitt, wie er hinsichtlich Figur 2 erläutert ist, versehen, sich insbesondere zumindest bis etwa zur Hälfte erstreckend. Im in Transportrichtung gesehen hinteren Bereich, etwa in dem letzten Drittel ihrer Längserstreckung, ist die zweite Deckleiste 15 mit dem nutartigen Führungsabschnitt 27 bis zu ihrem Auslauf und der keilförmigen Wand 28 ausgeformt, wie es hinsichtlich Figur 1 erläutert ist.The guide portion for the second edge 12 of the format strip 7 is, as the above explanations, in particular to the FIGS. 1 to 4 , Removable, formed along the longitudinal extent of the second cover strip 15 with a different contour. Seen in the transport direction of the format tape 7, the part having the wing-like projection is located downstream. At the inlet end, as seen in relation to the conveying direction of the format strip 7, the second cover strip 15 with the paragraph-shaped guide portion, as he regards FIG. 2 is explained, in particular at least extends to about half. In the rear direction seen in the transport direction, approximately in the last third of its longitudinal extent, the second cover strip 15 is formed with the groove-like guide portion 27 to its outlet and the wedge-shaped wall 28, as it regards FIG. 1 is explained.

Die in einer perspektivischen Ansicht in Figur 8 mit Aufsicht von unten dargestellte, erste Deckleiste 14 hat im Wesentlichen eine Grundform eines langgestreckten, flachen Quaders mit einem sich über die Längserstreckung erstreckenden, seitlich ausgeformten Flügel. Der Flügel weist entlang seiner Längserstreckung eine Hinterschneidung auf und ist entlang der Längserstreckung der ersten Deckleiste 14 mit einer unterschiedlichen Kontur ausgeformt.The in a perspective view in FIG. 8 shown with supervision from below, The first cover strip 14 essentially has a basic shape of an elongate, flat cuboid with a laterally shaped wing extending over the longitudinal extent. The wing has an undercut along its longitudinal extension and is formed along the longitudinal extent of the first cover strip 14 with a different contour.

Die erste Deckleiste 14 ist mit einer Vielzahl von Befestigungsbohrungen und Saugbohrungen versehen, welche insbesondere mit ihrem jeweiligen Zentrum auf einer Geraden angeordnet sind, welche parallel beabstandet zu der flügelfreien Längsseite liegt.The first cover strip 14 is provided with a plurality of mounting holes and suction holes, which are arranged in particular with their respective center on a straight line which is parallel spaced from the wing-free longitudinal side.

Der Führungsabschnitt für den ersten Rand 11 des Formatbandes 7 ist, wie den vorstehenden Erläuterungen, insbesondere zu den Figuren 1 bis 4, entnehmbar ist, entlang der Längserstreckung der ersten Deckleiste 14 mit einer nutartigen Kontur ausgeformt. Das einlaufseitige Ende in Bezug auf die Transportrichtung des Formatbandes 7 liegt in Figur 8 rechts hinten und das auslaufseitige Ende links vorne.The guide portion for the first edge 11 of the format tape 7 is, as the above explanations, in particular to the FIGS. 1 to 4 , Can be removed, formed along the longitudinal extent of the first cover strip 14 with a groove-like contour. The inlet-side end with respect to the transport direction of the format strip 7 lies in FIG. 8 right rear and the outlet end left front.

Die jeweilige Kontur des Führungsabschnitts und der keilförmigen Wand 24 ist im Zusammenhang mit der Beschreibung, insbesondere zu den Figuren 1 bis 4, vorstehend erläutert. Am einlaufseitigen Ende der ersten Deckleiste 14 ist zunächst ein kurzer Abschnitt mit einem absatzförmigen Führungsabschnitt ausgeformt, bevor dann die nutförmige Kontur ausgebildet wird.The respective contour of the guide portion and the wedge-shaped wall 24 is in connection with the description, in particular to the FIGS. 1 to 4 , explained above. At the inlet end of the first cover strip 14, a short section is first formed with a paragraph-shaped guide section, before then the groove-shaped contour is formed.

Bei der in Figur 9 schematisch im Schnitt und auszugsweise dargestellten, weiteren Ausführung eines Formatsystems ist der Führungsabschnitt in der ersten Deckleiste 14 in Form eines Absatzes 38 ausgebildet.At the in FIG. 9 schematically in section and in extracts, another embodiment of a format system, the guide section is formed in the first cover strip 14 in the form of a shoulder 38.

Der als Absatz 38 ausgeformte Führungsabschnitt für den ersten Rand 11 ist zwischen Halteteil 17 und Formteil 18 angeordnet.The shaped as a paragraph 38 guide portion for the first edge 11 is disposed between the holding part 17 and molding 18.

Der Absatz 38 ist zu einer Seite durch eine konkave Wand 39 und zu einer zu der vorgenannten Seite quer angeordnete, zweite Wand 40 begrenzt. Die Wand 39 und die Wand 40 bilden einen im Schnitt beidseitig begrenzten Führungsabschnitt zum Führen des Formatbandes 7 aus, insbesondere zum Führen seines ersten Randes 11.The shoulder 38 is bounded on one side by a concave wall 39 and to a second wall 40 arranged transversely to the aforementioned side. The wall 39 and the wall 40 form a guide section which is limited in section on both sides for guiding the format strip 7, in particular for guiding its first edge 11.

Der Absatz 38 ist in Richtung des Stranges 1 offen ausgestaltet. Der Absatz 38 erstreckt sich in radialer Richtung in eine Tiefe T in das Halteteil 17 hinein und in eine, insbesondere zum Verlauf des Formatbandes 7 konzentrische, Umfangsrichtung.The paragraph 38 is designed to be open in the direction of the strand 1. The shoulder 38 extends in the radial direction into a depth T in the holding part 17 and into a, in particular to the course of the format strip 7 concentric, circumferential direction.

Die Tiefe T ist geringer als die Höhe H des Formatbandes 7.The depth T is less than the height H of the format tape 7.

Das Formteil 18 weist eine Stützfläche 23 auf.The molded part 18 has a support surface 23.

Die Tiefe T ist derart bemessen, dass das Formatband 7 mit seiner Innenseite 8 einen geringen Betrag hervorsteht, sodass die Stützfläche 23 gegenüber dem Formatband und dessen Innenseite 8 einen geringen Betrag zurück tritt, in Richtung entgegen dem Uhrzeigersinn betrachtet.The depth T is dimensioned such that the format strip 7 protrudes with its inner side 8 a small amount, so that the support surface 23 with respect to the format strip and the inside 8 a small amount back, viewed in the counterclockwise direction.

Die Tiefe T ist in etwa um einen Betrag zwischen 0,05 bis 0,5 mm geringer als die Höhe des Formatbandes 7, bevorzugt 0,07 bis 0,35 mm, besonders bevorzugt 0,1 - 0,25 mm.The depth T is less than the height of the format strip 7 by an amount between 0.05 to 0.5 mm, preferably 0.07 to 0.35 mm, particularly preferably 0.1-0.25 mm.

Je nach Höhe des Formatbandes 7 und gewünschtem Überstand kann die Tiefe T auch zwischen 0,05 und 0,5 mm, 0,1 bis 0,4 mm, 0,3 bis 2,0 mm oder 0,4 bis 1,5 mm betragen.Depending on the height of the format tape 7 and the desired supernatant, the depth T also between 0.05 and 0.5 mm, 0.1 to 0.4 mm, 0.3 to 2.0 mm or 0.4 to 1.5 mm.

In den vorliegenden Figuren ist der Hüllmaterialstreifen schematisch wiedergegeben, um die Ausgestaltung und Funktionsweise des Formatsystems und des Deckteils zu erläutern. Hierbei handelt es sich um schematische Darstellungen, welche zum Verständnis dienen sollen und nicht zwingend an Strangeinheiten realisierte, schwieriger zu verstehende Teile in Form ihrer Fertigungszeichnungen darstellen sollen.In the present figures, the wrapping material strip is shown schematically to explain the design and operation of the format system and the cover part. These are schematic representations, which should serve for the understanding and not necessarily on strand units realized, more difficult-to-understand parts in the form of their manufacturing drawings represent.

Claims (8)

  1. Covering part (13, 14, 15) for a garniture system of a rod-making machine of the tobacco-processing industry having a holding part (17, 19) and a forming part (18, 20) which is connected to the holding part (17, 19) and has a concave supporting surface (23, 26) extending in the circumferential direction and in the longitudinal direction, wherein, as seen in section, on a continuation of the contour of the supporting surfaces (23, 26), an envelope curve results, wherein a guiding portion (22, 27, 38) bounded, as seen in section, on two sides by walls (24, 25; 28, 29; 39, 40) and intended for guiding an edge of a garniture tape (7) is formed between the holding part (17, 19) and the forming part (18, 20), the guiding portion being formed in the form of a shoulder (38) having an areally-extending, in particular concave, wall (39) and a wall (40) arranged transversely and adjacently thereto for accommodating the edge of the garniture tape (7), the shoulder (38) being configured open in the direction of the rod, characterised in that the areally-extending wall (39) of the guiding portion is arranged offset, as seen in section, in relation to the envelope curve of the supporting surface (23).
  2. Covering part according to Claim 1, characterised in that the depth T of the shoulder (38) is between 0.05 and 0.5 mm, 0.1 to 0.4 mm, 0.3 to 2.0 mm or 0.4 to 1.5 mm.
  3. Garniture system for a rod-making machine of the tobacco-processing industry for forming a rod (1) and for wrapping the rod (1) with a wrapping strip (9), comprising a base part (2) extending in the transporting direction of the rod (1), a garniture tape (7) which is accommodated in the base part (2), is intended for transporting the wrapping strip (9) and has an inner side (8), an outer side (10), a first edge (11) and a second edge (12) located opposite the first edge (11), a covering part (13) according to one of Claims 1 or 2 which is arranged opposite the base part (2) and extends in the transporting direction of the rod (1), the guiding portion (38) being arranged offset in relation to the envelope curve of the supporting surface (23), as seen in section, at least in a portion of the garniture system extending in the transporting direction of the rod (1).
  4. Garniture system according to Claim 3, characterised in that the guiding portion is formed in the form of a shoulder (38) open towards the rod (1) and extending in the radial direction to a depth T and in a circumferential direction U, in particular with a depth T which is less than the height H of the garniture tape (7), the depth T of the shoulder (38) corresponding in particular to the height H of the garniture tape (7) minus an amount of less than between 0.05 to 0.5 mm, preferably 0.1 to 0.4 mm.
  5. Garniture system according to Claim 3 or 4, characterised in that the covering part (13) comprises a first covering strip (14) and a second covering strip (15) which is arranged in relation to the first covering strip (14) to form a gap (21), which strips have in particular in each case supporting surfaces (23, 26) for the outer side of the wrapping strip (9) and walls (24, 25; 28, 29; 39;40), forming guiding surfaces, for the respective edge region (11, 12) of the garniture tape (7).
  6. Garniture system according to Claim 5, characterised in that the first covering strip (14) and/or the second covering strip (15) in each case overlaps, with its free end carrying the respective supporting surface (23, 26), the rod (1) by a length L in the projection direction of the rod (1), in a portion of its longitudinal extent which is between 65 percent and 100 percent, in particular between 70 percent and 98 percent, of the diameter of the rod (1).
  7. Garniture system according to one of Claims 3 to 6, characterised in that the garniture tape (7) is guided, in a portion of the longitudinal extent of the garniture system in the transporting direction of the rod (1), substantially in a U-shape and the first edge (11) is guided in the guiding portion (22, 38) which is arranged in particular in the first covering strip (14).
  8. Garniture system according to one of Claims 3 to 7, characterised in that the second edge (12) of the garniture tape (7) is guided, in a portion of the longitudinal extent of the garniture system in the transporting direction of the rod (1), with its front side not overlapping and substantially vertically outwardly directed and, with its garniture tape inner side in the projection direction onto the front side of the free end of the first covering strip (14), the front side of the free end of the first covering strip (14) is guided at least partially overlapping and at a distance therefrom.
EP11779579.9A 2010-11-22 2011-10-24 Format system and format parts for a rod-making machine in the tobacco-processing industry Active EP2642879B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010051894 DE102010051894A1 (en) 2010-11-22 2010-11-22 Format system and format parts for a strand production machine of the tobacco processing industry
PCT/EP2011/005343 WO2012069114A2 (en) 2010-11-22 2011-10-24 Format system and format parts for a rod-making machine in the tobacco-processing industry

Publications (2)

Publication Number Publication Date
EP2642879A2 EP2642879A2 (en) 2013-10-02
EP2642879B1 true EP2642879B1 (en) 2017-02-15

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EP (1) EP2642879B1 (en)
CN (1) CN103313614B (en)
DE (1) DE102010051894A1 (en)
PL (1) PL2642879T3 (en)
WO (1) WO2012069114A2 (en)

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RU2787987C2 (en) * 2018-08-03 2023-01-16 Филип Моррис Продактс С.А. Method for reconfiguring a headset bed in a wrapper

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PL223115B1 (en) 2013-02-15 2016-10-31 Int Tobacco Machinery Poland Spółka Z Ograniczoną Odpowiedzialnością Method and apparatus for temporarily compressing the filtering material
DE102015122550A1 (en) * 2015-12-22 2017-06-22 Hauni Maschinenbau Gmbh Strand making machine for the manufacture of tobacco industry products
DE102016121618A1 (en) * 2016-11-11 2018-05-17 Hauni Maschinenbau Gmbh Strand making machine for the manufacture of tobacco industry products and associated garniture
DE102017101929A1 (en) 2017-02-01 2018-08-02 Hauni Maschinenbau Gmbh Method for producing a strand of the tobacco processing industry and strand forming device
RS63617B1 (en) * 2017-12-13 2022-10-31 Schlatterer Gmbh & Co Kg Max Format tape
JP7444847B2 (en) * 2018-08-03 2024-03-06 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム Reconfigurable wrapping mechanism
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EP2642879A2 (en) 2013-10-02
WO2012069114A2 (en) 2012-05-31
CN103313614A (en) 2013-09-18
CN103313614B (en) 2016-10-26
WO2012069114A3 (en) 2012-07-19
DE102010051894A1 (en) 2012-05-24
PL2642879T3 (en) 2017-09-29

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