|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||264/454 ; 264/466 ; 264/102 ; 264/572|
|우선권정보||JP-0209761 (1992-07-13); JP-0209762 (1992-07-13); JP-0209763 (1992-07-13); JP-0213582 (1992-07-17); JP-0213583 (1992-07-17)|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 19 인용 특허 : 0|
A process for producing expanded plastic with a skin and a molding apparatus therefor, the process including blowing a parison being held in a closed blow mold to obtain a hollow article, filling the hollow article with thermoplastic preexpanded resin beads before the hollow article is cooled to solidify, heating and fusing said beads, and cooling the expanded plastic. A hollow article and an expanded body are completely fused together, and improved productivity is obtained.
A process for producing expanded plastic with a skin comprising: 1) blowing a parison held in a blow mold with compressed air to obtain a hollow article, said blow mold being equipped with one or more pipes capable of being inserted into and withdrawn from the mold and connected via valves to a blowing air source, a heating steam source and a vacuum extractor, and a feeder for supplying thermoplastic pre-expanded resin beads, said compressed air being introduced through said one or more pipes, 2) filling the inside of the hollow article with thermoplasti...