| 摘要 |
PURPOSE: A gate having grid core is provided to improve durability and water-tightness and to improve the exterior beauty. CONSTITUTION: A gate having grid core comprises a first skin plate(10), a second skin plate(11), a continuous grid core(20), and a reinforcing grid core. The second skin plate is arranged in the first skin plate. The continuous grid core is composed of a web(21) and the flat which surrounds the edge of the web. The continuous grid core is continuously in a long queue extended as the width length of the gate in a traverse direction. The reinforcing grid core is composed of a web(31) and the flange that surrounds the edge of the web. The reinforcing grid core is arranged on the gate and is arranged between the grid cores. |
