Blow molding device
AssigneeYoshino Kogyosho Co., Ltd.
InventorsShinichi TABATA, Shigeki MORIKAMI, Mitsuru SHIOKAWA
Life of this patent
Estimating the term…
Abstract
A blow molding device includes a blow molding mold to which a preform is fitted, a blow nozzle that is fitted to a mouth tubular portion of the preform, and a pressurized liquid supply unit configured to supply a pressurized liquid to the blow nozzle, the preform being to be molded into a shape conforming to a cavity of the mold by filling the liquid into the preform through the blow nozzle. The blow nozzle includes a central hole and a plurality of peripheral holes having an inner diameter smaller than an inner diameter of the central hole and arranged to surround the central hole. The liquid is filled into the preform through the central hole and the plurality of peripheral holes.
Claims18
A blow molding device, including a blow molding mold to which a bottomed tubular preform is fitted, a blow nozzle that is fitted to a mouth tubular portion of the preform fitted to the mold, and a pressurized liquid supply unit configured to supply a pressurized liquid to the blow nozzle, the preform being to be molded into a shape conforming to a cavity of the mold by filling the liquid into the preform through the blow nozzle, wherein
- the blow nozzle includes a central hole arranged on an axis of the blow nozzle and a plurality of peripheral holes having an inner diameter smaller than an inner diameter of the central hole and arranged to surround the central hole, the liquid being filled into the preform through the central hole and the plurality of peripheral holes.
Dependencies are inferred from the claim text.