| 摘要 |
<p>PURPOSE:To identify the material at a glance at the time of sorted recovery of resource wastes by a method wherein a combination of a code of a color, numeral and mark, etc., which are determined in advance, is printed or impressed at a location which can be confirmed from any direction, on articles for which recyclable raw materials are used. CONSTITUTION:In the case of a rectangular parallelopiped, a combination of a code of a color, numeral and mark, etc., which are determined in advance is printed or impressed at locations which are equivalent to locations 1-6. By this method, for a rectangular parallelopiped, a display can be provided extending to respective three surfaces getting together to two vertexes which select at least one pair among four confronted pairs of eight vertexes. Therefore, the print or impression can be confirmed from all directions. Also, in the case of a cylindrical body, a printing or impressing is applied at locations which are equivalent to locations 9-11. By doing so, a display can be provided on the cylindrical surface and two circular surfaces on both ends. In this way the print or impression can be confirmed from all directions.</p> |
