|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||425/549 ; 264/DIG83 ; 264/45.1 ; 264/45.5 ; 264/53 ; 425/4R ; 425/535 ; 425/566 ; 425/567|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 55 인용 특허 : 1|
An apparatus for injection molding synthetic resin materials comprises means for injecting the material to be molded, mold means having a cavity for receiving the material from said injecting means, entrance passage means connecting said injecting means with the cavity of said mold means and valve means disposed in said entrance passage means for closing it to shut off the flow of material in said entrance passage means, said valve means having a fluid passage communicating at its one end with only the cavity of said mold means when said valve means is c...