| 摘要 |
PURPOSE:To clearly and rapidly put a seal of a production date, a JIS mark, and the like to an uncured concrete block. CONSTITUTION:A rubber seal box 7 with a rubber seal detachably mounted is provided on the top of a moving piece of a cylinder 5 disposed nearly horizontally to a frame 1. A cylinder having a moving piece moving crosswise to the forward moving direction of the rubber seal box is substantially horizontally provided on the frame. A hydrous ink roller 19 is provided on the moving piece of the cylinder so as to come into contact with the surface of the rubber seal in the state that the rubber seal box is retracted. |
