Rationale: double shot molding mainly to two pipes combined with double shot molding machine, two die in sequence through two molded two-shot products.
1.A through a feed tube into 1 molded as a single shot.
2. Cycle mold, a stay in the mould, rotate to b movable molding mold.
3. B through b feeding tube injection 2 times forming molded two-shot products, mold ejector.