| 摘要 |
PURPOSE:To automate the production control by facilitating the provision of bar code and preventing it from being erased or peeled off in a tire on which the bar code (or matrix code) is provided, its identification method, and its bar code forming method. CONSTITUTION:In a tire 1, a bar code 2 is positioned at the bottom surface 4 of recess provided on the side surface of the tire by an infection molding means, etc., to form it integrally or by a on-contact bar code writer means. By this constitution the bar code is prevented from being erased or peeled off, and a labor for stamping the bar code label is eliminated. Also automization of control of production and sales is increased by giving the bar code with no-contact in the production and sales control process to provide useful information. |
