Patent ID: 8162658

Claim:
In an injection die used for molding a resin frame by injection molding at a peripheral portion of a plate glass, said injection die being separated into at least two pieces, a cavity for frame being formed between the separated dies, and the cavity for frame being provided with an additional cavity via a coupling hole, said injection die comprising at least one of the following characteristics: (1) a first characteristic that the coupling hole is provided at a confluence point of a resin in melted condition of the cavity for frame; and (2) a second characteristic that the cavity for frame is provided with a runner that couples with the cavity via a gate and is for injecting a resin introduced from a resin inlet, into the cavity for frame, and the coupling hole and the gate are provided such that center line of the coupling hole and center line of the gate intersect with each other at an angle ranging from 45 degrees to 180 degrees on a section parallel to the plate glass of the cavity for frame.