EP1104345B1 - Behandlungsverfahren für korkmaterial und korken - Google Patents

Behandlungsverfahren für korkmaterial und korken Download PDF

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Publication number
EP1104345B1
EP1104345B1 EP99936720A EP99936720A EP1104345B1 EP 1104345 B1 EP1104345 B1 EP 1104345B1 EP 99936720 A EP99936720 A EP 99936720A EP 99936720 A EP99936720 A EP 99936720A EP 1104345 B1 EP1104345 B1 EP 1104345B1
Authority
EP
European Patent Office
Prior art keywords
cork
product
steam
container
process according
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
EP99936720A
Other languages
English (en)
French (fr)
Other versions
EP1104345A1 (de
Inventor
André Clauzure
Patrice Robichon
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.)
Pernod Ricard SA
Original Assignee
Pernod Ricard 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 Pernod Ricard SA filed Critical Pernod Ricard SA
Priority to DK99936720T priority Critical patent/DK1104345T3/da
Publication of EP1104345A1 publication Critical patent/EP1104345A1/de
Application granted granted Critical
Publication of EP1104345B1 publication Critical patent/EP1104345B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K1/00—Damping wood
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/02—Processes; Apparatus
    • B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B27K5/001—Heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K7/00—Chemical or physical treatment of cork
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B1/00—Closing bottles, jars or similar containers by applying stoppers
    • B67B1/03—Pretreatment of stoppers, e.g. cleaning, steaming, heating, impregnating or coating; Applying resilient rings to stoppers

Definitions

  • the present invention relates generally to the manufacture of cork-based stoppers, and more particularly a method of treating a cork cork product usable for producing corks.
  • the cork from which the caps are made is a plant tissue produced by the subérophellodermic seat of the cork oak.
  • the cork is made up of about 45% of suberin, which is the main constituent of alveolar cells, about 27% of structural lignin fibrous, found in inclusion in channels or on the surface of the bark, about 12% cellulose, and about 17% other miscellaneous products such as ceroids, tannins, mineral matter, and water.
  • Cork is a good material for corking and preserving still or effervescent drinks, in particular, wines or other spirits put in bottles, because it is a compressible material and sufficiently elastic, waterproof and hydrophobic.
  • Cork contains about 5% moisture but slowly hydrates.
  • cork is a natural material that has more defects or less important.
  • defects consist mainly of channel walls lignified or lignin inclusions.
  • the traditional process of treating cork for the manufacture of corks includes a boiling operation performed on cork boards or cork bark dried for about 2 years. This operation consists of to plunge said boards or cork bark for about 1 h 30 in a bath boiling water at a temperature of the order of 100 ° C.
  • This boiling operation is followed by a rest period which varies from 48 hours to about three weeks to stabilize the excessive moisture processed product.
  • the step of rest is a critical step during which the cork can be contaminated by bacteria or mold, which can cause the "cork taste".
  • EP-0395010 Also known from EP-0395010 is a method of treatment of cork to deodorize it, consisting in placing the cork in a pregnant, to submit it to a stream of water vapor to provoke a distillation of the substance to be eliminated, to cool the treated product and finally, to recover this product.
  • the temperature and the pressure of the steam are chosen so as not to modify the mechanical and dimensional properties of the treated cork.
  • the processing times are, consequently, relatively long, since they are between 30 and 90 minutes.
  • Such a stopper consists mainly of a powder of material ligneous plant derived especially from cork, microspheres expanded in plastic material and a food glue.
  • agglomerated corks although they are economical to manufacture, have good physico-chemical and mechanical properties than natural cork stoppers and can not be used for the preservation of wines or spirits destined to age in bottles.
  • the present invention proposes a a new process for the treatment of cork products which can be used for realization of caps, which allows in particular to eliminate the risk of appearance of cork tastes in bottled liquor or liquor.
  • the process according to the invention comprises the steps according to claims 1 and 2.
  • the cork products used for this process may be planks or pieces of cork, intermediate products such as granules, casing waste, sorting waste or finished products such as plugs and rejects.
  • the method according to the invention applies to all cork products which can be used in the composition of corking.
  • the process according to the invention allows, in a very short time, de-aromatize the cork product effectively, in particular by modifying said product the content of the substances listed above which give rise to alterations of the wine or their precursors.
  • such a method advantageously makes it possible to sterilize the product to cork base, by destroying the microorganisms contained in this product, which may be precursors of the aforementioned substances giving wines redhibitory aromas.
  • the treatment process according to the invention makes it possible to obtain cork in different forms.
  • step c) a rapid, brutal expansion is carried out.
  • Such a binder is a food binder of the polyurethane binder type.
  • This variant of the process can also be used to obtain from boards or large pieces of cork, treated granules, used later in the manufacture of agglomerated corks using a binder such as food glue.
  • the treated cork powder thus obtained improves the quality of sorting, it can lead to products more enriched with suberin.
  • step b) dry water vapor or wet steam.
  • the pressure of the water vapor used in step b) corresponds to a temperature inside the container between about 120 ° C and 230 ° C.
  • the product contained in the container is penetrated by the water vapor introduced in the latter, so that its temperature increases to a temperature between 120 ° C and 230 ° C, and soften it.
  • step b) the pressurized water vapor into the vessel without creating a flow of steam into the vessel.
  • step b) has a duration of between 30 seconds and one minute.
  • step b) the container is heated containing the product and water, for wet steam treatment.
  • cork granules free of defects have been contaminated with Trichloroanisole and were treated using the process according to the invention.
  • Contaminated granules have a characteristic smell of cork taste (musty, earthy). These granules were subjected to the action of steam under a pressure equal to 20.10 5 Pa for one minute followed by a sudden expansion of the pressure.
  • the product was then analyzed sensory and chemical.
  • the cork powder treated according to the method according to the invention was macerated (10 g / l) in a solution hydroalcoholic at 20% volume for 48 hours.
  • Table 1 is a summary of the average scores obtained out of 10.
  • sample B1 became sample B2
  • the tasters no longer perceive the characteristic odor of TCA.
  • cork powder treated by the process according to the invention is introduced into 96% alcohol by volume at a temperature of concentration of 5 g / 11 ml.
  • the detection threshold is 5 picogram / microliter.
  • the chemical analyzes carried out on the treated cork powder confirm the aforementioned sensory analysis results.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Closures For Containers (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Claims (7)

  1. Verfahren zur Behandlung eines Produkts auf Kork-Basis, das für die Herstellung von Flaschenkorken verwendbar ist, welches die folgenden Schritte umfasst:
    a) man führt das Produkt in ein luftdichtes Gefäß ein,
    b) man unterzieht das Produkt der Einwirkung von Wasserdampf bei einer Temperatur zwischen etwa 120°C und 230°C einschließlich und unter einem Druck zwischen 2.105 und 30.105 Pa einschließlich über eine Dauer, die zwischen etwa 5 Sekunden und 5 Minuten einschließlich liegt, ohne eine Dampfströmung in dem Gefäß zu schaffen,
    c) man bewirkt eine rasche, plötzliche Entspannung, um das Innere des Gefäßes auf Atmosphärendruck zurückzuführen,
    d) man gewinnt ein Pulver aus behandeltem Kork.
  2. Verfahren zur Behandlung eines Produkts auf Kork-Basis, das für die Herstellung von Flaschenkorken verwendbar ist, welches die folgenden Schritte umfasst:
    a) man führt das Produkt in ein luftdichtes Gefäß ein,
    b) man unterzieht das Produkt der Einwirkung von Wasserdampf bei einer Temperatur zwischen etwa 120°C und 230°C einschließlich und unter einem Druck zwischen 2.105 und 30.105 Pa einschließlich über eine Dauer zwischen etwa 5 Sekunden und 5 Minuten einschließlich, ohne eine Dampfströmung in dem Gefäß zu schaffen,
    c) man bewirkt eine rasche, plötzliche Entspannung, um das Innere des Gefäßes auf Atmosphärendruck zurückzuführen,
    d) man gewinnt behandelte Granalien, die später zur Herstellung eines Flaschenkorkens verwendet werden, ohne dass ein vorangehender Mahlvorgang notwendig ist.
  3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Wasserdampf ein trockener Dampf ist.
  4. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Wasserdampf ein feuchter Dampf ist.
  5. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Schritt b) eine Dauer zwischen 30 Sekunden und 1 Minute einschließlich aufweist.
  6. Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass man im Schritt b) den Wasserdampf unter Druck in das Gefäß einführt.
  7. Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass man im Schritt b) das Gefäß erwärmt, welches das Produkt und Wasser enthält.
EP99936720A 1998-08-11 1999-08-11 Behandlungsverfahren für korkmaterial und korken Expired - Lifetime EP1104345B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK99936720T DK1104345T3 (da) 1998-08-11 1999-08-11 Fremgangsmåde til behandling af korkmateriale og korkpropper

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9810288 1998-08-11
FR9810288A FR2782289B1 (fr) 1998-08-11 1998-08-11 Procede de traitement de produit a base de liege utilisable pour la realisation de bouchons et bouchons comprenant un tel produit traite
PCT/FR1999/001968 WO2000009304A1 (fr) 1998-08-11 1999-08-11 Procede de traitement pour materiau en liege et bouchons de liege

Publications (2)

Publication Number Publication Date
EP1104345A1 EP1104345A1 (de) 2001-06-06
EP1104345B1 true EP1104345B1 (de) 2005-04-06

Family

ID=9529591

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99936720A Expired - Lifetime EP1104345B1 (de) 1998-08-11 1999-08-11 Behandlungsverfahren für korkmaterial und korken

Country Status (9)

Country Link
US (1) US6572818B1 (de)
EP (1) EP1104345B1 (de)
AT (1) ATE292548T1 (de)
AU (1) AU752164B2 (de)
DE (1) DE69924622T2 (de)
ES (1) ES2237133T3 (de)
FR (1) FR2782289B1 (de)
PT (1) PT1104345E (de)
WO (1) WO2000009304A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD20010345A (ro) * 2001-08-17 2003-06-30 Феликс ШЕПЕЛЬ Procedeu de prelucrare a masei vegetale de salvie de muscat Salvia Sclarea si aplicarea ei în tratamentul patologiilor aparatului locomotor
WO2003041927A1 (en) * 2001-11-12 2003-05-22 Instituto Superior Técnico New process for treating cork stoppers or planks for the reduction of strange aromas, namely 2,4,6-trichoroanisole
MD2193C2 (ro) * 2001-12-28 2003-12-31 Анатоль ЕФКАРПИДИС Compoziţie pentru fabricarea dopurilor
WO2004004995A1 (es) * 2002-07-02 2004-01-15 Godoy Varo Jose Luis Procedimiento de descontaminación y flexibilización de corcho e instalación para su puesta en practica
DE10341637A1 (de) * 2003-09-10 2005-05-04 Degussa Verfahren zur Extraktion von korkhaltigem Material
US7010956B2 (en) * 2003-11-05 2006-03-14 Michael S. Head Apparatus and method for detecting an analyte
PT103591B (pt) * 2006-10-17 2010-03-23 Inst Superior Tecnico Processo de produção de corpos cilíndricos de material compósito de cortiça, destinados à produção de rolhas para vinhos de pressão, bem como as rolhas produzidas por este processo
FR2936730A1 (fr) * 2008-10-08 2010-04-09 Univ La Rochelle Procede d'extraction de molecules aromatiques indesirables du liege par un traitement thermo-hydro-mecanique de detente instantanee controlee (dic) eventuellement sous forme successive (eds)
US20100117270A1 (en) * 2008-11-10 2010-05-13 Jan Alac Extrusion molding technique and synthetic stopper produced therefrom
ES2423255B1 (es) 2012-03-13 2014-10-01 Universidad De Salamanca Procedimiento para la eliminación de haloanisoles y halofenoles presentes en el corcho e instalación para llevar a cabo dicha eliminación
FR3020244A1 (fr) * 2014-04-25 2015-10-30 Tamara Allaf Procede de traitement thermomecanique
ES2639663B2 (es) * 2016-04-27 2018-02-27 Trefinos, S.L. Procedimiento para el tratamiento del corcho

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR343350A (fr) * 1904-05-21 1904-10-01 Emile Adnet Stérilisateur pour bouchons, lièges et autres matières poreuses
DE267733C (de) * 1906-12-07 1913-11-15 Gruenzweig & Hartmann Verfahren zur Behandlung von Kork durch Hitze
PT93857B (pt) * 1989-04-26 1996-10-31 Suntory Ltd Processo e aparelho para a desodorizacao de cortica
US5174956A (en) * 1989-04-26 1992-12-29 Suntory Limited Method for deodorization of cork

Also Published As

Publication number Publication date
ATE292548T1 (de) 2005-04-15
DE69924622D1 (de) 2005-05-12
FR2782289A1 (fr) 2000-02-18
AU752164B2 (en) 2002-09-05
ES2237133T3 (es) 2005-07-16
EP1104345A1 (de) 2001-06-06
PT1104345E (pt) 2005-07-29
WO2000009304A1 (fr) 2000-02-24
FR2782289B1 (fr) 2000-11-10
AU5171399A (en) 2000-03-06
DE69924622T2 (de) 2006-02-02
US6572818B1 (en) 2003-06-03

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