Patent ID: 9463602
Filing Date: 2016-10-11
CPC Classification: B29C,B29D,B29K,B29L

Claim Text:
1. A production method for a hollow molded product, comprising: a parison carrying-in step of carrying a parison formed at a parison forming station along one direction to opposite sides of a single center die provided with a built-in part and installed at a fixed position; a built-in part attachment step in which the opposite sides of the center die are held between a pair of molding dies to locate the center die in the molding dies with the parison between the center die and the molding dies, the parison being supplied from the parison forming station and the parison being in a state before being transferred to the molding dies, and then the built-in part is attached to the parison transferred to the molding dies; a molding die movement step of moving the molding dies along the one direction to a prescribed position after the built-in part is attached; a molding step in which the molding dies are closed and the hollow molded product is molded at the prescribed position; and a conveyance step of conveying the hollow molded product taken out of the molding dies along the one direction.