Patent ID: 9656419
Date: 2017-05-23
CPC Classifications: B29C

Claim:
1. A blow nozzle that introduces blow air into a molded article in which a flange portion provided around an open neck portion is supported by a blow cavity mold, the blow nozzle comprising: a nozzle main body moved upwards and downwards; and a cylindrical outer nozzle connected integrally to the nozzle main body and disposed around a circumference of the neck portion, wherein, from when the nozzle main body is moved and the first surface is brought into contact with the flange portion to when the second surface is brought into contact with the blow cavity mold and the movement of the nozzle main body is stopped, the first surface of the outer nozzle is overdriven so that the flange portion is airtightly sealed by the first surface, and wherein the blow nozzle further comprises an air vent groove communicating from an inner edge of the second surface to an outer edge of the second surface.