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Priority to JP15703384UpriorityCriticalpatent/JPS6171412U/ja
Publication of JPS6171412UpublicationCriticalpatent/JPS6171412U/ja
第1図:本考案の模型図、第2図:本考案模型 図のA−A断面図。
1……通気孔。
Fig. 1: A model diagram of the present invention; Fig. 2: A cross-sectional view taken along line A-A of the model diagram of the present invention. 1...Vent hole.
Claims (1)
【実用新案登録請求の範囲】[Scope of utility model registration request] 角材又は丸太の芯部に、直経約3〜10cmの角 柱状、円柱状などの形状の通気孔1を設けた芯抜 き木柱。 A cored wooden pole in which a ventilation hole 1 in the shape of a prism, cylinder, or the like with a diameter of approximately 3 to 10 cm is provided in the core of a square lumber or log.