|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||426/516 ; 264/167 ; 425/311 ; 425/381|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 24 인용 특허 : 0|
An extrusion apparatus for producing thee-dimensional objects comprises at least one die, an extruder, and a rotatable cutter plate. The die is disposed adjacent to an outlet end of the extruder. The die forms an opening defining a two-dimensional shape, and the extruder forces an extrudable material through the opening in the die. The rotatable cutter plate is disposed adjacent to the die. The cutter plate is configured to obstruct different portions of the die opening at different times as the cutter plate rotates so as to vary the shape of the extruda...
A method for producing a three-dimensionally shaped product, said method comprising: forcing an extrudable material through an opening formed in a die, the opening defining a two-dimensional shape of a three dimensionally shaped product; moving a cutter plate having a slot pattern defining the third dimensional parameters of the three-dimensionally shaped product, said slot pattern having a plurality of sections of variable width and length, the plurality of sections of the slot being configured and arranged to exposed different portions of the opening f...