US3541908A - Device for cutting the wrapper leaves of cigars,cigarillos or like products - Google Patents

Device for cutting the wrapper leaves of cigars,cigarillos or like products Download PDF

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Publication number
US3541908A
US3541908A US649595A US3541908DA US3541908A US 3541908 A US3541908 A US 3541908A US 649595 A US649595 A US 649595A US 3541908D A US3541908D A US 3541908DA US 3541908 A US3541908 A US 3541908A
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US
United States
Prior art keywords
leaf
cutting
wrapper
cigars
products
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US649595A
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English (en)
Inventor
Pierre Waegaert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe Nationale dExploitation Industrielle des Tabacs et Allumettes SAS
Original Assignee
Societe Nationale dExploitation Industrielle des Tabacs et Allumettes SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Societe Nationale dExploitation Industrielle des Tabacs et Allumettes SAS filed Critical Societe Nationale dExploitation Industrielle des Tabacs et Allumettes SAS
Application granted granted Critical
Publication of US3541908A publication Critical patent/US3541908A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C1/00—Elements of cigar manufacture
    • A24C1/04—Devices for cutting cigar binders or wrappers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/283—With means to control or modify temperature of apparatus or work
    • Y10T83/293—Of tool

Definitions

  • Bilinsky Attorney-Sparrow and Sparrow ABSTRACT Device for cutting the wrapper leaves of cigars, cigarillos or like products, comprising means for modifying the material of the tobacco leaf along a desired cutting line, said means beingjajdapted to produce action without any counterpart on at least one of the faces of the tobacco leaf and to cooperate with means for holding said leaf in the outspread position while producing action on at least a portion of the leaf surface which is located outside the zone of action of said leafmodifying means.
  • the system employed for cutting the wrapper leaves (outer leaves and sometimes binder leaves) from selected tobacco leaves is made up of the same elements, namely a perforated table provided with suction holes for the purpose of spreading out the tobacco leaf perfectly and holding it at its edge.
  • the movable die plate whichreturns in the direction opposite to that of its movement of withdrawal can transfer the wrapper which is thus formed to a conveying means which usually consists of a suction cup, the sucking action beneath said plate having meanwhile been discontinued.
  • the aim of this invention is therefore to shorten the wrapper-cutting stage and is attended by the following advantages: simplification of the mechanism which is necessary for this operation; suppression or spacing of regrinding operations performed on the cutting frame; enhancement of personnel safety despite'the reduction of protective elements; reduction of amplitude of movement re ariesd of the machine operator; thereby permitting more careful and less tiring work even at a higher production rate.
  • the present invention is primarily characterized in that, in a machine of the type which either prepares or utilizes wrapping products, the conventional mechanism which has the function of cuttin'gout a fragment of predetermined shape from a leaf such as a tobacco leaf and which works by shearing between a cutting blade and a counterpart such as rollers is replaced by another mechanism which comprises means for modifying the tobacco leaf simply by coming into contact with the leaf along the desired cutting line, said means being adapted to produce action without any counterpart on at least one of the faces of the tobacco leaf and to cooperate with means for holding said leaf in the outspread position while producing action on at least a portion of the leaf surface which is located outside the zone of action of said leaf-modifying means.
  • the holding means can comprise a table which is subjected to air pressure and the shape which is determined by the cutting line is inscribed within said table.
  • the table can be constituted by two parts of which an inner part is inscribed within the shape determined by the cutting line whilst the leaf-modifying means are adapted to produce action between said two parts.
  • the leaf-modifying means are adapted to move between the two parts of the table.
  • the inner part of the-table can be movable.
  • the leaf-modifying means can be constituted byan outer edge of a flat metal plate which is brought to a high temperature and can be applied against one face of the leaf.
  • the temperature referred to is preferably higher than 500C.
  • Heat-insulated electric resistors can be applied against at least one of the faces of the flat metal plate.
  • the perforations of the table are arranged so as to effect the cooling of those portions which are located in the vicinity of the heating element.
  • FIG. l is a vertical sectional view of a device in accordance withthe invention, thisview being taken along line l-I of FIG. 2;
  • FIG. 2 is a plan view of the device from which the inner part 15 of the table has been removed;
  • FIG. 3 is a vertical sectional view ofa constructional detail
  • FIGS. 4, Sand 6 are highly simplified diagrams showing the main parts of the device in the relative end positions.
  • the space 16 is delimited by the die plate 15 and a body or mandrel 18 which has an extension in the form of a cylindrical skirt 19.
  • the mandrel 18 is attached to the drive shaft 20 by means'of screws or any suitable fastening means.
  • Said shaft 20 is adapted to slide vertically under the control of the programming system and through the intermediary of a mechanical coupling system of known type.
  • the die plate 15 has been removed for the sake of enhanced clarity.
  • the cutting mechanism proper is indicated inFIGS. 1 and 2 by the'letter C and illustrated in detail in FIG. 3.
  • Theessential component of the cutting unit is formed of special high-temperature stainless steel such as the alloy known as NSMC which is produced by the Ugine company, said component being maintained at a temperature of over 700C.by means of a special heating system.
  • NSMC the alloy known as NSMC which is produced by the Ugine company
  • the heating system is constituted by electric resistors 33 and cal raised edge or flange 40 against which is applied a cover 41, the function of which is to limit heat losses resulting from transfer of the air which is sucked into the space 14.
  • said support is fixed on the tubular shaft 21 which is concentric with the drive shaft 20 of the central mandrel.
  • the shaft 21 is adapted to slide within the frame 11 under the action of the programming system.
  • a sleeve 22 which serves to guide the movement of said support within the frame 11 and, through the intermediary of the skirt 19, guides the movement of the mandrel 18 while providing a communication between the space 16 and the suction tube 17.
  • FIGS. 4, Sand 6, The relative positions of the main components are shown in FIGS. 4, Sand 6, from which it is possible to follow-the different stages of operation of a mechanism in accordance with the invention.
  • FIG. 4 shows the mechanism at the moment when the tobacco-leaf is being laid in position.
  • the cutting unit C is in the lowermost position and its top edge is located below the plane of the die platel5. The machine operator is therefore not exposed to any risk of burns.
  • the leaf- is applied against the casing 12 and die plate 15 as a result of suction of air through the tubes 13 and 17 and die plate 15 and is maintained thereon throughout the remaining sequence of operations.
  • FIG. 5 as in FIG. 1, the cutting unit which is thrust upwards by the shaft 20 is shown to be in the operative position.
  • the top edge of the portion 31 of unit C projects to a slight extent above the level of the die plate 15 which has remained in its initial position.
  • a process oflocal and practically linear carbonization of the tobacco leaf then takes place along the contour of the cutting edge, with the result that a wrapping element of requisite size is cut out from the leaf.
  • the time of application can, for example, be of the order of onetenth of a second whereas, in the conventional process which consists in shearing between rollers and a cutting blade, the time of application usually varies between 1 and 2 seconds.
  • suction can be stopped within the tubes 15 while still maintaining a partial vacuum within the space 17 by means of the tube 17.
  • the cutting unit C moves down to its initial bottom position and the shaft 20 lifts the mandrel 18 and the die plate 15 which carries the cut out wrapper up to the position shown in FIG. 6.
  • a conveyingsuction cup then takes the cut wrapper which is carried by the die plate 15 in the known manner. Meanwhile, suction from the space 16 is discontinued. The mechanism is then in readiness for cutting out a fresh wrapper leaf.
  • a device for cutting the wrapper leaves of cigars, cigaril los, or like products comprising a support, a perforated table mounted on said support for receiving a leaf in the outspread position, said table and said support delimiting a cavity there between, first means connecting said cavity with a source of vacuum for holding said leaf in said outspread position, second means mounted within said cavity for impairing the material of said leaf along a desired cutting line, and cutaway 4.
  • a device according to claim 2 wherein said inner part of the table is movable.
  • a device wherein a vertically movable shaft is arranged for a movement of very short duration, said movement bringing said second means into action on said outspread leaf shortly before the movement of said inner part of said table carrying the cut portion of leaf away from the level of said outspread leaf.

Landscapes

  • Treatment Of Fiber Materials (AREA)
  • Cell Electrode Carriers And Collectors (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
US649595A 1966-07-01 1967-06-28 Device for cutting the wrapper leaves of cigars,cigarillos or like products Expired - Lifetime US3541908A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR67784A FR1494155A (fr) 1966-07-01 1966-07-01 Perfectionnement aux appareils de découpe des enveloppes pour cigares, cigarillos ou produits sximilaires

Publications (1)

Publication Number Publication Date
US3541908A true US3541908A (en) 1970-11-24

Family

ID=8612285

Family Applications (1)

Application Number Title Priority Date Filing Date
US649595A Expired - Lifetime US3541908A (en) 1966-07-01 1967-06-28 Device for cutting the wrapper leaves of cigars,cigarillos or like products

Country Status (5)

Country Link
US (1) US3541908A (fr)
BE (1) BE700618A (fr)
FR (1) FR1494155A (fr)
GB (1) GB1192247A (fr)
NL (1) NL6709060A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0059019A1 (fr) * 1981-02-20 1982-09-01 P.M.B. Patent Machinebouw B.V. Matrice à découper des feuilles de tabac et un dispositif munie d'une telle matrice

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0059019A1 (fr) * 1981-02-20 1982-09-01 P.M.B. Patent Machinebouw B.V. Matrice à découper des feuilles de tabac et un dispositif munie d'une telle matrice

Also Published As

Publication number Publication date
BE700618A (fr) 1967-12-01
FR1494155A (fr) 1967-09-08
DE1632253A1 (de) 1970-10-29
NL6709060A (fr) 1968-01-02
GB1192247A (en) 1970-05-20

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