EP0590218B1 - Procédé et panier d'entreposage pour le séchage de feuilles végétales, notamment de feuilles de tabac - Google Patents

Procédé et panier d'entreposage pour le séchage de feuilles végétales, notamment de feuilles de tabac Download PDF

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Publication number
EP0590218B1
EP0590218B1 EP92810740A EP92810740A EP0590218B1 EP 0590218 B1 EP0590218 B1 EP 0590218B1 EP 92810740 A EP92810740 A EP 92810740A EP 92810740 A EP92810740 A EP 92810740A EP 0590218 B1 EP0590218 B1 EP 0590218B1
Authority
EP
European Patent Office
Prior art keywords
leaves
baskets
storage basket
storage
basket
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
EP92810740A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0590218A1 (fr
Inventor
Jacques Babey
Eric Willem Borst De
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.)
Philip Morris Products SA
Original Assignee
Fabriques de Tabac Reunies SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fabriques de Tabac Reunies SA filed Critical Fabriques de Tabac Reunies SA
Priority to EP92810740A priority Critical patent/EP0590218B1/fr
Priority to DE69201243T priority patent/DE69201243T2/de
Priority to ES92810740T priority patent/ES2069403T3/es
Priority to TR92/1237A priority patent/TR26407A/xx
Priority to SI9300503A priority patent/SI9300503A/sl
Priority to PCT/CH1993/000231 priority patent/WO1994007381A1/fr
Priority to TJ96000374A priority patent/TJ341B/xx
Priority to RO94-00899A priority patent/RO116155B1/ro
Priority to MD96-0324A priority patent/MD1583C2/ro
Priority to YU62693A priority patent/YU48824B/sh
Priority to HR92810740.8A priority patent/HRP931245B1/xx
Publication of EP0590218A1 publication Critical patent/EP0590218A1/fr
Priority to BG98802A priority patent/BG60896B1/bg
Application granted granted Critical
Publication of EP0590218B1 publication Critical patent/EP0590218B1/fr
Priority to GR950400657T priority patent/GR3015524T3/el
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
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B1/00—Preparation of tobacco on the plantation
    • A24B1/08—Suspending devices for tobacco leaves

Definitions

  • the present invention relates first of all to a storage process for drying plant leaves as well as to a device allowing the implementation of this process, the process and the device being in particular suitable for drying tobacco leaves and more particularly with tobacco leaves called "oriental".
  • the same device can also be used during the harvest for pre-sorting the leaves according to their size and / or quality.
  • the tobacco leaves When harvested, the tobacco leaves are generally placed in wicker baskets of circular section, the leaves being arranged like the spokes of a wheel, their petioles being arranged in the center of the basket.
  • the leaves For drying, the leaves are taken one by one from the basket and threaded on a long metal needle, a hole being made in the part of the leaf close to the petiole. They are then transferred and pressed against each other on a string to form a garland of about 120 to 140 cm containing 500 to 1000 sheets, depending on the type and size of the leaves.
  • garlands are then hung by their ends to frames arranged in the open air or under protections, depending on local climatic conditions and / or the degree of drying achieved by the tobacco.
  • the garlands are generally manipulated in order to modify their exposure to the sun, and thus allow each garland to receive approximately the same amount of radiation. solar.
  • the garlands are taken up and piled on top of each other so that the leaves can start their fermentation process, this fermentation continuing later when the leaves have been removed from their suspension twine and will have been grouped into bundles.
  • the twine when opening the garlands to make the bales of tobacco, the twine is generally cut in several places, which leaves debris or sections of twine in the bale of tobacco, these pieces of string representing pollution tobacco, which can modify its taste and which is difficult to eliminate during the rest of the manufacturing operations. Since the twine is relatively fragile, it can break, requiring the recovery of all the leaves it supported and increasing the risk of eventually finding twine debris in the tobacco.
  • One of the embodiments described in patent US-A-3,166,348 shows a device for storing tobacco leaves for drying, in which the leaves are arranged horizontally one on top of the other in lattice racks. Due to the vertical arrangement of the stacks of leaves, it is difficult to reach and remove from the stack a determined sheet on which, for example, traces of disease have been detected. In addition, due to the size of the device, it is difficult to handle and can in no case also be used to harvest tobacco leaves; it is only suitable for storage for drying.
  • US-A-3,167,227 shows a device for harvesting agricultural products, in particular tobacco leaves, comprising a flexible piece supported by two of its edges opposite to horizontal support pieces, thus forming a chute between the two so-called support pieces.
  • the harvested leaves are here arranged horizontally in said chute only during a field work operation and cannot remain there for a long period as for drying.
  • a first object of the invention is to propose a method for storing tobacco leaves during the drying operation, as well as a device provided for this purpose, making it possible to eliminate the above-mentioned defects in the art. prior, or in particular to facilitate the harvesting and sorting operation during harvesting, then to facilitate the handling of the sheets during their drying, allowing these operations to be carried out by mechanical means, and finally allowing each sheet to be reached and replaced individually during drying.
  • Another object of the invention is finally to completely dispense with the string constituting the garland in order to avoid the presence of debris in the tobacco.
  • the invention provides a storage method meeting the characteristics of claims 1 to 3, as well as a storage basket having the characteristics mentioned in claims 4 to 9. Uses of said baskets are described in claims 10 and 11.
  • each sheet is pierced with a hole, through which a string passes, in order to form a garland.
  • the tobacco leaves 1 are arranged in stacks in the storage basket 2, being held by a chute 20 on which they are supported by part of their outer edges.
  • the cross section of the chute 20 can take many forms, for example a V shape with an apex angle preferably of the order of 60 °, as shown in FIG. 1A, or else a semi-rectangular shape, as shown in Figure 1B, or then consist of several rods or parallel rods approximately matching the shape of the leaves 1, as shown in Figure 1C.
  • Each end of the trunking 20 is closed by an end plate 21, generally of rectangular shape, fixed to the trunking 20 according to a known technique, essentially depending on the materials used both for the trunking 20 and for the end plates 21.
  • the chute 20 When loading the basket 2, it is preferably placed so that the chute 20 is horizontal or then forming an angle with respect to the ground, depending on the stability of the basket 2 and the sheets inside that here, but preferably of the order of 45 °, the open part of the chute 20 facing upwards, the first sheet 1 being pressed by one of its faces against one of the end plates 21, the other sheets coming to be placed successively in a vertical, respectively oblique position, resting on the previous one and on the bottom of the chute 20.
  • the basket 2 is filled until the leaves 1 contained in the chute 20 are slightly compressed between the two end plates 21.
  • the choice of the transverse shape of the chute as well as its dimensions can be made to take into account the particular shape and dimensions of the leaves to be harvested; for example, the V shape of FIG. 1A will be more suited to sheets of variable dimensions and of relatively round shape, the trough shown in FIG. 1B will accept more elongated sheets but of variable dimensions while the trough of FIG. 1C will better suited to sheets with fairly constant dimensions. In any case, it is obviously possible to be able to use simultaneously several baskets 2 having troughs 20 whose shape and / or transverse dimensions are different, in order to be able to adapt better to the shapes and dimensions of the leaves harvested from a line of tobacco plants.
  • the length of the basket 2, respectively of the chute 20 will be chosen in such a way that the full basket can easily be handled; this length will therefore be of the order of 1 m to 1.5 m, so that the mass to be handled is of the order of magnitude of ten kg.
  • the dimensions of the support plates 21, in particular the height above the open part of the chute 20 will be sufficient for all the sheets placed in the chute to be entered in the template of the basket.
  • this trellis will preferably consist of large meshes in order to facilitate the circulation of air during drying.
  • the free lateral edges of the chute 20 may be provided with longitudinal reinforcements 22 made up of bars or rods connecting the two end plates.
  • longitudinal reinforcements 22 made up of bars or rods connecting the two end plates.
  • transverse reinforcements 23 can be provided. These different reinforcements 22 or 23 serve mainly to improve the stability and the rigidity of the basket.
  • each basket can also be provided with means 24, for example as shown in FIG. 3A, at least one plate disposed on each face of an edge of the end plates, these plates extending beyond said border so as to be able to insert between them an opposite border of another basket, which makes it possible to stack the baskets 2 on top of each other.
  • gripping means such as for example handles 25 which allow a basket to be easily manipulated or else which allow it to be gripped by mechanical means, for example a forklift. It is also possible, as can be seen in FIG.
  • the device 24 or equivalent means allowing the stacking of the baskets 2 will preferably be used when the baskets 2 are also used in the open field for harvesting tobacco; by superimposing baskets whose shape and / or dimensions of the chute differ, it is possible to directly carry out a first sorting of the sheets according to their size and their dimensions.
  • the same stacking device will be used during a drying phase where it is necessary to limit the circulation of air by tightening the basket against each other.
  • the frame 27, comprising the means 28 making it possible to adjust the relative positions of the baskets between them will preferably be used in a drying installation and during a phase where it is necessary that a certain amount of air circulates between the baskets. Due to the rigidity of the baskets 2, it is quite possible to expose the leaves to the sun not only horizontally as for a garland on string, but according to any desired angle of exposure.
  • the method and the device according to the invention make it possible to facilitate both the harvesting of tobacco and its drying, by improving the means of storing tobacco, in particular making it possible to significantly reduce the handling of the leaves, to be able to access easily to a determined sheet inside the basket to remove or add it, without tearing it, and to allow easier handling of the baskets by mechanical handling means.
  • the invention has been described applying to tobacco leaves, but it can just as easily be used for other plant products.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Drying Of Solid Materials (AREA)
EP92810740A 1992-10-01 1992-10-01 Procédé et panier d'entreposage pour le séchage de feuilles végétales, notamment de feuilles de tabac Expired - Lifetime EP0590218B1 (fr)

Priority Applications (13)

Application Number Priority Date Filing Date Title
EP92810740A EP0590218B1 (fr) 1992-10-01 1992-10-01 Procédé et panier d'entreposage pour le séchage de feuilles végétales, notamment de feuilles de tabac
DE69201243T DE69201243T2 (de) 1992-10-01 1992-10-01 Verfahren und Lagerungskorb für das Trocknen von pflanzlichen Blättern, insbesondere Tabakblättern.
ES92810740T ES2069403T3 (es) 1992-10-01 1992-10-01 Procedimiento y cesto de almacenamiento para el secado de hojas vegetales, principalmente de hojas de tabaco.
TR92/1237A TR26407A (tr) 1992-10-01 1992-12-23 BITKISEL YAPRAKLARI ÖZELLIKLE TüTüN YAPRAKLARINI KURUTMAK ICIN OLAN AMBARLAMA YÖNTEMLERI VE SEPETLERI.
SI9300503A SI9300503A (en) 1992-10-01 1993-09-27 Method and storage basket for the drying of vegetable leaves, especially tobacco leaves
TJ96000374A TJ341B (en) 1992-10-01 1993-09-29 Method of preservation of leafs of plants container and use of containers for the collection and preliminary sortings leafs of tobacco
PCT/CH1993/000231 WO1994007381A1 (fr) 1992-10-01 1993-09-29 Procede et panier d'entreposage pour le sechage de feuilles vegetales, notamment de feuilles de tabac
RO94-00899A RO116155B1 (ro) 1992-10-01 1993-09-29 Instalatie pentru uscarea frunzelor vegetale, in special, a frunzelor de tutun
MD96-0324A MD1583C2 (ro) 1992-10-01 1993-09-29 Procedeu şi coş pentru stivuirea frunzelor vegetale, utilizarea coşurilor pentru recoltarea, sortarea şi uscarea frunzelor de tutun
YU62693A YU48824B (sh) 1992-10-01 1993-09-30 Postupak i korpa za postavljanje listova biljaka kod sušenja, prvenstveno listova duvana
HR92810740.8A HRP931245B1 (en) 1992-10-01 1993-09-30 Method and storage basket for drying vegetable leaves, particularly tobacco leaves
BG98802A BG60896B1 (bg) 1992-10-01 1994-05-30 Метод и корито за складиране и сушене на листа на растения, по- специално листа на тютюн
GR950400657T GR3015524T3 (en) 1992-10-01 1995-03-22 Method and storage basket for the drying of vegetable leaves, especially tobacco leaves.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP92810740A EP0590218B1 (fr) 1992-10-01 1992-10-01 Procédé et panier d'entreposage pour le séchage de feuilles végétales, notamment de feuilles de tabac

Publications (2)

Publication Number Publication Date
EP0590218A1 EP0590218A1 (fr) 1994-04-06
EP0590218B1 true EP0590218B1 (fr) 1995-01-18

Family

ID=8211999

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92810740A Expired - Lifetime EP0590218B1 (fr) 1992-10-01 1992-10-01 Procédé et panier d'entreposage pour le séchage de feuilles végétales, notamment de feuilles de tabac

Country Status (13)

Country Link
EP (1) EP0590218B1 (ro)
BG (1) BG60896B1 (ro)
DE (1) DE69201243T2 (ro)
ES (1) ES2069403T3 (ro)
GR (1) GR3015524T3 (ro)
HR (1) HRP931245B1 (ro)
MD (1) MD1583C2 (ro)
RO (1) RO116155B1 (ro)
SI (1) SI9300503A (ro)
TJ (1) TJ341B (ro)
TR (1) TR26407A (ro)
WO (1) WO1994007381A1 (ro)
YU (1) YU48824B (ro)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD2185G2 (ro) * 2002-09-11 2003-12-31 Научно-исследовательский конструкторско-технологический институт табака и табачных изделий Dispozitiv pentru înşirarea frunzelor de tutun pe ace duble

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3167227A (en) * 1962-09-17 1965-01-26 Sr William Julian Walden Carrier for use in handling tobacco leaves or the like
US3166348A (en) * 1963-03-05 1965-01-19 Charles C Granger Tobacco curing apparatus
FR1455414A (fr) * 1965-09-03 1966-04-01 Dispositif de stockage et de transport de régimes de bananes et véhicule comportant ce dispositif
US3773054A (en) * 1971-04-07 1973-11-20 E Clark Tobacco curing
US4730721A (en) * 1984-07-02 1988-03-15 Demaiter Leon J Tobacco harvester
CH679070A5 (en) * 1990-04-05 1991-12-13 Werner Rietmann Drying semiconductor wafer using block on base of bath - lifting wafers clear of holder for complete drying when bath is emptied

Also Published As

Publication number Publication date
MD1583C2 (ro) 2001-07-31
BG60896B1 (bg) 1996-06-28
HRP931245A2 (en) 1994-12-31
YU62693A (sh) 1996-05-20
HRP931245B1 (en) 1999-06-30
SI9300503A (en) 1994-06-30
ES2069403T3 (es) 1995-05-01
RO116155B1 (ro) 2000-11-30
EP0590218A1 (fr) 1994-04-06
TJ341B (en) 2002-10-06
MD1583B2 (ro) 2001-01-31
TR26407A (tr) 1995-03-15
YU48824B (sh) 2001-12-26
DE69201243D1 (de) 1995-03-02
WO1994007381A1 (fr) 1994-04-14
DE69201243T2 (de) 1995-08-10
GR3015524T3 (en) 1995-06-30
BG98802A (bg) 1995-05-31

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