To provide a technology capable of suppressing the deformation of a blow-molded product by preventing a large force from being applied to the blow-molded product when releasing a die from the blow-molded product.
A die 25 for blow molding comprises a molding die 27 having a molding face 23 and a blowing die 28 having a liquid blowing port 31, and a blank 29 is blow-molded in the molding die 27. The molding die 27 includes a product shape part 36 having a molding face 23 to determine the product shape, a product shape peripheral part 37 arranged on the outer side of the product shape part 36, and an outer peripheral part 38 of the product shape peripheral part 36. The product shape peripheral part 37 is slidably provided on the product shape part 36, and the outer peripheral part 38 is slidably provided on the product shape peripheral part 37.
COPYRIGHT: (C)2008,JPO&INPIT
Kazuya Saito
Hiroyuki Shinoda
Rei Toshihiro
Takeshi Kondo
| JP2005297048A |
Tamiya Hiroshi