METHOD OF REGENERATING SAND CONTAINED IN ARTIFICIAL LAWN

PROBLEM TO BE SOLVED: To provide a method for regenerating sand contained in artificial lawn which can regenerate sand contained in artificial lawn so as to be in a genuine state.SOLUTION: The present invention provides a method for regenerating sand contained in artificial lawn provided with a shee...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MORITAKE KATSUMI, MATSUI YASUO, TAKUWA KOJI
Format: Patent
Sprache:eng ; jpn
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method for regenerating sand contained in artificial lawn which can regenerate sand contained in artificial lawn so as to be in a genuine state.SOLUTION: The present invention provides a method for regenerating sand contained in artificial lawn provided with a sheet-like base material, a lawn yarn planted on the base material, and a filler which is charged on the surface of the base material and contains at least sand and rubber chip, the method preferably comprising steps of: peeling the artificial lawn from an installation position; separating the filler from the artificial lawn after the peeling step; burning the filler after the separating step; and classifying sand after the burning step. The method of regenerating sand further preferably comprises a step of polishing sand after the burning step prior to the classifying step. The classifying step preferably comprises steps of: flowing sand after the burning step by airflow to cause a dust collector to remove fine powder contained in the sand; and removing foreign materials contained in sand after the burning step by a sieve.SELECTED DRAWING: Figure 2 【課題】本発明は、人工芝に含まれる砂を純良な状態に再生することができる人工芝に含まれる砂の再生方法を提供することを目的とする。【解決手段】本発明は、シート状の基材と、この基材に植設される芝糸と、上記基材の表面上に充填され、少なくとも砂及びゴムチップを含有する充填材とを備える人工芝に含まれる砂の再生方法であって、上記人工芝を敷設位置から剥離する工程と、上記剥離工程後の上記人工芝から上記充填材を分離する工程と、上記分離工程後の上記充填材を焼成する工程と、上記焼成工程後の砂を分級する工程とを有する。当該再生方法は、上記分級工程の前に、上記焼成工程後の砂を研磨する工程をさらに有するとよい。上記分級工程が、空気流により上記焼成工程後の砂を流動させ、集塵装置によりこの砂に含まれる微粉体を取り除く工程と、ふるいにより上記焼成工程後の砂に含まれる異物を取り除く工程とを有するとよい。【選択図】図2