PL419499A1 - Method for thermo-mechanical compaction of multi-layered poplar plywood and the multi-layered plywood - Google Patents

Method for thermo-mechanical compaction of multi-layered poplar plywood and the multi-layered plywood

Info

Publication number
PL419499A1
PL419499A1 PL419499A PL41949916A PL419499A1 PL 419499 A1 PL419499 A1 PL 419499A1 PL 419499 A PL419499 A PL 419499A PL 41949916 A PL41949916 A PL 41949916A PL 419499 A1 PL419499 A1 PL 419499A1
Authority
PL
Poland
Prior art keywords
plywood
layered
poplar
thermo
mechanical compaction
Prior art date
Application number
PL419499A
Other languages
Polish (pl)
Other versions
PL238810B1 (en
Inventor
Tadeusz Nadolski
Grzegorz Chawłowski
Kamil Perzyna
Original Assignee
Versal Spółka Z Ograniczoną Odpowiedzialnością
Tadeusz Nadolski
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 Versal Spółka Z Ograniczoną Odpowiedzialnością, Tadeusz Nadolski filed Critical Versal Spółka Z Ograniczoną Odpowiedzialnością
Priority to PL419499A priority Critical patent/PL238810B1/en
Priority to PL17202100T priority patent/PL3323573T3/en
Priority to EP17202100.8A priority patent/EP3323573B1/en
Priority to ES17202100T priority patent/ES2837023T3/en
Publication of PL419499A1 publication Critical patent/PL419499A1/en
Publication of PL238810B1 publication Critical patent/PL238810B1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
    • B27M1/02—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by compressing
    • 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
    • B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B27K5/007—Treating of wood not provided for in groups B27K1/00, B27K3/00 using pressure
    • 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
    • B27K5/06—Softening or hardening of 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
    • B27K2200/00—Wooden materials to be treated
    • B27K2200/30—Multilayer articles comprising wood

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Abstract

Przedmiotem zgłoszenia jest sposób termomechanicznego zagęszczania sklejki topolowej wielowarstwowej, polegający na ogrzewaniu sklejki topolowej, charakteryzujący się tym, że sklejka o wilgotności 5 - 15% poddawana jest prasowaniu pulsacyjnemu między półkami prasy, przy czym sklejkę topolową ogrzewa się do temperatury 70° - 105°C, a następnie prasuje w 2 - 3 cyklach pod ciśnieniem 5 - 20 MPa, redukując grubość sklejki do 25 - 50% jej pierwotnej grubości. Ponadto sklejka wielowarstwowa otrzymana sposobem według zgłoszenia charakteryzuje się odkształceniami względnymi od 50% - 75%.The subject of the application is a method of thermomechanical compaction of multilayer poplar plywood, consisting of heating poplar plywood, characterized by the fact that plywood with a moisture content of 5 - 15% is subjected to pulsing pressing between the shelves of the press, while the poplar plywood is heated to a temperature of 70 ° - 105 ° C and then irons in 2 - 3 cycles at a pressure of 5 - 20 MPa, reducing the thickness of the plywood to 25 - 50% of its original thickness. In addition, the multilayer plywood obtained by the method of the application has relative deformations from 50% - 75%.

PL419499A 2016-11-17 2016-11-17 Method for thermo-mechanical compaction of multi-layered poplar plywood and the multi-layered plywood PL238810B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PL419499A PL238810B1 (en) 2016-11-17 2016-11-17 Method for thermo-mechanical compaction of multi-layered poplar plywood and the multi-layered plywood
PL17202100T PL3323573T3 (en) 2016-11-17 2017-11-16 A method for the thermomechanical densification of poplar plywood
EP17202100.8A EP3323573B1 (en) 2016-11-17 2017-11-16 A method for the thermomechanical densification of poplar plywood
ES17202100T ES2837023T3 (en) 2016-11-17 2017-11-16 A method for thermomechanical densification of poplar plywood

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL419499A PL238810B1 (en) 2016-11-17 2016-11-17 Method for thermo-mechanical compaction of multi-layered poplar plywood and the multi-layered plywood

Publications (2)

Publication Number Publication Date
PL419499A1 true PL419499A1 (en) 2018-05-21
PL238810B1 PL238810B1 (en) 2021-10-04

Family

ID=60582387

Family Applications (2)

Application Number Title Priority Date Filing Date
PL419499A PL238810B1 (en) 2016-11-17 2016-11-17 Method for thermo-mechanical compaction of multi-layered poplar plywood and the multi-layered plywood
PL17202100T PL3323573T3 (en) 2016-11-17 2017-11-16 A method for the thermomechanical densification of poplar plywood

Family Applications After (1)

Application Number Title Priority Date Filing Date
PL17202100T PL3323573T3 (en) 2016-11-17 2017-11-16 A method for the thermomechanical densification of poplar plywood

Country Status (3)

Country Link
EP (1) EP3323573B1 (en)
ES (1) ES2837023T3 (en)
PL (2) PL238810B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2821809A1 (en) 1978-05-19 1979-11-22 Basf Ag PYRIDAZONE
US4606388A (en) * 1985-03-28 1986-08-19 Peter Favot Process for densifying low density woods
US6689301B1 (en) * 1997-04-10 2004-02-10 Mdf, Inc. Method of manufacturing a molded door skin from a wood composite, door skin produced therefrom, and door manufactured therewith
US7404422B2 (en) 2003-02-05 2008-07-29 Eagle Analytical Company, Inc. Viscoelastic thermal compression of wood
CN101603623B (en) * 2009-05-29 2013-09-11 浙江世友木业有限公司 Surface reinforced solid wood section material, floor board and manufacturing method thereof

Also Published As

Publication number Publication date
EP3323573B1 (en) 2020-09-16
PL3323573T3 (en) 2021-03-08
EP3323573A1 (en) 2018-05-23
ES2837023T3 (en) 2021-06-29
PL238810B1 (en) 2021-10-04

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