| 摘要 |
It is an object to obtain a blade 1 with which coating or scraping can satisfactorily be performed and which is able to protect a plate-like member 3 from being broken. A blade having a ceramic plate-like member 3 having an edge 3a and secured to the surface of an elongated metal plate 2 in the leading end portion of the elongated metal plate 2, wherein the blade 1 is deflected by 10 cm or more in the direction of the thickness thereof owning to the deadweight without breakage of the ceramic plate-like member 3 when the blade 1 is supported at two ends thereof which are apart from each other by 1 m or longer in the lengthwise direction thereof. |
