| 摘要 |
PROBLEM TO BE SOLVED: To provide a mold for molding a hollow molding capable of conducting a jetting preventing test while regulating a shape of a gate and a position of the gate by removing a gate member from the mold in a state in which the mold mounting in a gas injection molding machine is opened in a trial test for preventing jetting on a surface of a protrusion 4a of the molding 4 having a rugged surface in a directly moving direction to a flow of a resin on an outer periphery. SOLUTION: A gate mounting member 6 having the gate member 5 attached thereto is provided in a cavity 3 of a mold body 1, and is engaged with an insert 7. The insert 7 is fixed to an insert fixing section 1a provided at the body 1. In a state in which the mold is opened, the fixing section 1a is removed, and the member 6 is removed from the insert 7. Thus, the shape of the protrusion 9 can be regulated, and the member 5 is arranged to enable a regulation of the position in the cavity 3.
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