|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||239/118 ; 137/509 ; 239/5331 ; 239/583|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 32 인용 특허 : 1|
This invention is an improved injection molding nozzle whereby the shut-off plunger is operated by a fluid and the opening of the nozzle is accomplished by the flow of plasticized material through the nozzle. A control rod internal to the nozzle controls the movement of the plunger shut-off member and is adjustable so that the amount of plasticized resin flowing through the nozzle can be accurately controlled.
An apparatus for controlling the flow of plasticized resin through a nozzle assembly comprising: (a) a nozzle tip means attached to a nozzle body means, said body means affixed to a manifold means; (b) passage means internal to said manifold means communication with a bore in said nozzle body means and in communication with bore in said nozzle tip means; (c) plunger means internal to said nozzle assembly in cooperating engagement with said nozzle tip means; (d) a control rod means, having a longitudinal bore therein, coacting with said plunger means and ...