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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||264/040.5 ; 264/106 ; 264/155 ; 264/328.7 ; 425/150 ; 425/553 ; 425/810|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 3 인용 특허 : 15|
Into the cavity formed by closing a stationary mold with a movable mold, material is filled through a gate portion of a female cutter. After the material is filled into the cavity, a male cutter is advanced at a high speed from a starting position S to a vicinity position P of the female cutter, at the position P the advance speed is changed to a low speed and the male cutter advances at the low speed to an advancing limit position E to carry out the gate cutting. Then, the filled material solidifies while being cooled.
[ What is claimed is:] [1.] An injection compression disc molding method which uses a movable mold fixed on a movable base coming close to a stationary mold fixed on a stationary base in order to abut the movable mold against the stationary mold to form a cavity, comprising the steps of:injecting a material to be molded into the cavity through a gate portion of a female cutter; andadvancing a male cutter toward the female cutter at an advancing speed to seal the gate, the material to be molded filled in the cavity is kept in compressed state, wherein the...