ASSEMBLY TYPE SYNTHETIC RESIN-MADE VESSEL

摘要

PROBLEM TO BE SOLVED: To provide an assembly type synthetic resin-made vessel causing no weld in a thin film hinge. SOLUTION: The assembly type synthetic resin-made vessel comprises a plane rectangular bottom plate and four side plates each being foldably connected to the bottom plate, is formed by a multi-point gate method, and is assembled by engaging the side margin portions with each other. The foldable connecting portion is made of the thin film hinge. The thin film hinge is formed of the resin injected from one gate portion of gate portions arranged on both sides of the thin film hinge. A thick-walled portion is mounted adjacently to one thin film hinge, and the thick-walled portion is preferably continuous with the gate portion. COPYRIGHT: (C)2005,JPO&NCIPI