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Method of manufacturing a corrugated wood element, a corrugated wood element and its uses

A wood and component technology, applied in the field of making corrugated wood components, can solve problems such as core layer deformation

Inactive Publication Date: 2016-12-21
WOOD INNOVATIONS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

, the compression may lead to irreversible deformation of the core

Method used

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  • Method of manufacturing a corrugated wood element, a corrugated wood element and its uses
  • Method of manufacturing a corrugated wood element, a corrugated wood element and its uses
  • Method of manufacturing a corrugated wood element, a corrugated wood element and its uses

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Embodiment Construction

[0102] The following terms are defined within the meaning of the present invention with reference signs.

[0103] First aspect of the invention: method of making a corrugated wooden element (B) according to the invention

[0104] In a first aspect, the invention relates to a method for producing a corrugated wooden element (B) from a flat or non-flat wooden element (A), wherein the method comprises at least the steps (H1) to (H4):

[0105] (H1) providing a flat or non-flat wooden element (A) comprising fibers and lignin on or between the fibers; preferably, the flat or non-flat wooden element (A) does not comprise a binder;

[0106] (H2) heating the wood element (A) to a temperature sufficient to soften or melt at least a portion of the lignin;

[0107] (H3) deforming the wooden element heated in step (H2) to form a corrugated wooden element (B);

[0108] (H4) cooling the wooden element deformed in (H3);

[0109] It is characterized in that the deformation in step (H3) is p...

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Abstract

Method of making a wavy wood element (B) from a wood element (A), wherein the method comprises at least steps (H1) to (H4):(H1) providing a wood element (A), which comprises fibers and lignin on or between said fibers;(H2) heating the wood element (A) to a temperature which is sufficient to soften or melt at least a part of the lignin;(H3) deforming the wood element heated in step (H2) such that a wavy wood element (B) is formed;(H4) cooling the wood element deformed in step (H3); characterized in that the deforming in step (H3) is performed such that the ratio of the wave height to the thickness of the wavy wood element (B) equals or is more than 2:1; wherein the term thickness signifies the shortest distance between an upper side and the respective lower side of the wavy wood element (B), and the term wave height signifies the shortest distance between two imaginary planes which run in parallel to one another between which the wavy wood element (B) may be arranged such that the waves are positioned between said planes; and wherein the wood element (A) consists of unglued wood or unglued wood fibers.

Description

technical field [0001] The present invention relates to a method for producing a corrugated wooden element, to such a wooden element, to the use of this wooden element, to a core comprising such a wooden element, and to a multilayer composite panel comprising said core, preferably a light construction sheet. The invention also relates to a method of making said core layer and multilayer composite board. Background technique [0002] It is known to use synthetic materials to produce multilayer composite panels which have a relatively high mechanical stability compared to their weight. Multilayer composite panels of this type are used, for example, in the form of lightweight building panels. The middle layer of this multilayer composite board can be designed in a wave form. [0003] CH254025 relates to a multilayer composite panel comprising two cover panels and a core layer in between, wherein the core layer comprises at least one layer of folded veneer. [0004] DE420120...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B7/12B27D1/06B32B21/13B32B21/02E04C2/34B32B3/28
CPCB27D1/06B32B3/28B32B7/12B32B21/02B32B21/13B32B2307/102B32B2307/304B32B2307/51B32B2605/00B32B2607/02E04C2/3405A43B13/08A43B17/12E04C2/16E04C2/322
Inventor 托马斯·埃克斯坦阿希姆·穆勒
Owner WOOD INNOVATIONS
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