ATE530310T1 - METHOD FOR PRE-EXPANSION OF CORK BY MICROWAVE RADIATION - Google Patents

METHOD FOR PRE-EXPANSION OF CORK BY MICROWAVE RADIATION

Info

Publication number
ATE530310T1
ATE530310T1 AT08724036T AT08724036T ATE530310T1 AT E530310 T1 ATE530310 T1 AT E530310T1 AT 08724036 T AT08724036 T AT 08724036T AT 08724036 T AT08724036 T AT 08724036T AT E530310 T1 ATE530310 T1 AT E530310T1
Authority
AT
Austria
Prior art keywords
cork
expansion
microwave radiation
submission
boiled
Prior art date
Application number
AT08724036T
Other languages
German (de)
Inventor
Helena Margarida Nunes Pereira
Rui Luis Goncalves Dos Reis
Susana Pinto Araujo Da Silva Martins
Antonio Jorge Velez Marques
Original Assignee
Amorim Cork Composites S A
Amorim Isolamentos S A
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 Amorim Cork Composites S A, Amorim Isolamentos S A filed Critical Amorim Cork Composites S A
Application granted granted Critical
Publication of ATE530310T1 publication Critical patent/ATE530310T1/en

Links

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
    • B27K7/00—Chemical or physical treatment of cork
    • 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
    • B27K5/003—Treating of wood not provided for in groups B27K1/00, B27K3/00 by using electromagnetic radiation or mechanical waves
    • B27K5/0055—Radio-waves, e.g. microwaves
    • 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
    • B27K2240/00—Purpose of the treatment
    • B27K2240/10—Extraction of components naturally occurring in wood, cork, straw, cane or reed

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

This invention describes a process of pre-expansion by submission to microwave radiation, capable of promoting cork expansion without using foreign substances to the cork system. The expansion achieved by this pre-expansion process shows values that can range between 40% and 85%. The expansion of cork by this pre-expansion process by submission to microwave radiation is achieved in any cork material independently of its shape, origin, quality or pre-treatments already performed, namely, falca cork, virgin or reproduction cork, cork planks, cork residues (resulting from stopper production or cork plank transformation), grinded cork, granulated cork or cork powder, any of them boiled or not boiled, resulting a new cork material with improved properties. The present invention also presents the modifications of the new cork material particularly through the volumetric increase after treatment.
AT08724036T 2007-03-21 2008-03-20 METHOD FOR PRE-EXPANSION OF CORK BY MICROWAVE RADIATION ATE530310T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PT103697A PT103697A (en) 2007-03-21 2007-03-21 PRE-EXPANSION PROCESS OF CORK BY SUBMISSION TO MICROWAVE RADIATIONS AND RESULTING PRODUCT THEREOF
PCT/PT2008/000012 WO2008115086A1 (en) 2007-03-21 2008-03-20 Process of cork pre-expansion by submission to microwave radiation and resulting product thereof

Publications (1)

Publication Number Publication Date
ATE530310T1 true ATE530310T1 (en) 2011-11-15

Family

ID=39432506

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08724036T ATE530310T1 (en) 2007-03-21 2008-03-20 METHOD FOR PRE-EXPANSION OF CORK BY MICROWAVE RADIATION

Country Status (5)

Country Link
EP (1) EP2125310B1 (en)
AT (1) ATE530310T1 (en)
ES (1) ES2376152T3 (en)
PT (2) PT103697A (en)
WO (1) WO2008115086A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011054306B3 (en) * 2011-09-28 2012-10-04 Johann Brunner Method for sealing bottles used in wine industry, involves introducing cork totally or partly to bottle neck, which is totally or partly irradiated with high frequency radiation of certain range through glass
DE102015101333A1 (en) 2015-01-29 2016-08-04 Bayerische Motoren Werke Aktiengesellschaft Cork particle-containing film, artificial leather containing cork particles and method for producing the same
JP6956404B2 (en) * 2017-09-19 2021-11-02 内山工業株式会社 Manufacturing method of cork stopper and cork stopper

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19802297C5 (en) * 1998-01-22 2004-05-27 Francisco Oller S.A., Cassá de la Selva Treatment methods for cork and cork
WO2006021225A1 (en) * 2004-08-24 2006-03-02 Hartwig Pollinger Method and device for the treatment of cork oaks

Also Published As

Publication number Publication date
EP2125310B1 (en) 2011-10-26
PT2125310E (en) 2011-11-21
PT103697A (en) 2008-09-30
EP2125310A1 (en) 2009-12-02
WO2008115086A1 (en) 2008-09-25
ES2376152T3 (en) 2012-03-09

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties