| 摘要 |
PURPOSE: A prefabricated grating in which installation facilitates in the waterway of the curve shaped and straight line is provided to install a drain path o curved shape and straight line. CONSTITUTION: A prefabricated grating comprises a grating plate(10), a fastening part(20), a pin member(30) and a supporter(40). A drain hole and a through hole are formed on the grating plate. The fastening part is formed in order to be united with the grating adjacent to the backend of another grating plate. A slit hole(25) of the curve shaped is formed on the fastening part. The pin member passes through and connects to the through hole of the grating plate. |
