LAMINATED LUMBER AND MANUFACTURING METHOD OF LAMINATED LUMBER

To provide a laminated lumber capable of improving strength, and a method for manufacturing the laminated lumber.SOLUTION: In a rod-shaped laminated lumber: flat surfaces of a plurality of long rod materials having the flat surfaces extending in a longitudinal direction are joined together; each of...

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Bibliographische Detailangaben
Hauptverfasser: YAMATOMI SHIGEAKI, YOKOTA TATSURO, FUKUDA AKIHIKO
Format: Patent
Sprache:eng ; jpn
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Beschreibung
Zusammenfassung:To provide a laminated lumber capable of improving strength, and a method for manufacturing the laminated lumber.SOLUTION: In a rod-shaped laminated lumber: flat surfaces of a plurality of long rod materials having the flat surfaces extending in a longitudinal direction are joined together; each of the long rod materials is formed by joining end parts in the longitudinal direction of three or more short rod materials of non-uniform length to each other; a position of a joining part of the short rod materials in one long rod material is deviated from positions of joining parts in other long rod materials by an appropriate length in the longitudinal direction; and deviation amounts from the position of the joining part in the one long rod material to the position of the joining part nearest to the joining part of the one long rod material out of the joining parts in other long rod materials are uniform.SELECTED DRAWING: Figure 3 【課題】強度を向上させることができる集成材及び集成材の製造方法を提供する。【解決手段】本実施の形態に係る集成材は、棒状の集成材において、長手方向に延びる平坦面を夫々有する複数本の長尺棒材の前記平坦面同士が接合されており、各長尺棒材は、夫々の長さが不均一な3本以上の短尺棒材の長手方向の端部同士を接合することによって形成されており、一の長尺棒材における前記短尺棒材同士の接合部分の位置は、他の長尺棒材における前記接合部分の位置から長手方向に適長ずれており、前記一の長尺棒材における前記接合部分の位置から、前記他の長尺棒材における前記接合部分の内、前記一の長尺棒材における前記接合部分に最も近い接合部分の位置までのズレ量は均一であることを特徴とする。【選択図】図3