| 摘要 |
PROBLEM TO BE SOLVED: To provide a hollow double wall molded product having a locking part and a fixing part not causing deformation such as warpage and is superior in bonding strength and durability. SOLUTION: The hollow double wall molded product 21 is provided with an inner rib 25, which is welded to the rear surface of a surface wall 22 on its one end and integrally molded to a rear wall 23 on its other end, in a hollow body made up of the surface wall 22 and the rear wall 23 opposed each other at an interval and end walls 24 closing the peripheral edge portions of both the surface and rear walls. The inner rib 25 has a plate-type portion wherein a part of a plate-type embedding member 26 extending longitudinally is embedded and a recessed portion 27 where a part of the embedding member 26 is exposed, and the recessed portion 27 is provided at both ends in the longitudinal direction of the inner rib 25. COPYRIGHT: (C)2006,JPO&NCIPI |
