|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||366/083 ; 366/100 ; 74/655L ; 425/204|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 5 인용 특허 : 7|
Machine for the extrusion of polymers and the like, comprising a pair of threaded rotors (5) with axes which are generally converging with respect to each other and means (7) for synchronized transmission of the movement to the said rotors (5), wherein each rotor (5) is made to rotate by means of its own actuating motor (8).
[ What is claimed is:] [1.] An extruder comprising:a pair of elongated rotors extending along respective longitudinal axes, said axes converging toward each other, each of said pair of rotors comprising:a respective rotor shaft having opposite ends and rotatable about a respective one of the longitudinal axes, anda respective extruder screw extending axially from one end of the rotor shaft and rotatably fixed therewith;first and second motors each driving a respective one of said rotors and mounted coaxially and directly on the respective other end of th...