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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||210/236 ; 210/329 ; 210/33301 ; 210/334|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 3 인용 특허 : 5|
In the filtering apparatus for an extrusion machine, a stream of heat-softened plastic material arrives via a flow conduit in a filter housing at an outlet, and thereby permeates replaceable filter means which are carried by a slide which is temporarily slid out of the stream of plastic material. For this, the slide comprises two chambers, forming flow conduit sections and arranged spaced in tandem in the direction of displacement, both of which are closed by filter plates. The slow conduit sections being, at a specified position of the slide in the filt...
An apparatus for filtering a heat-softened stream of plastic material for an extrusion machine, comprising: a filter housing formed with an inlet receiving said heat-softened stream and an outlet for discharging said stream after filtration; a slide shiftable in said housing in a sliding direction and formed with at least two chambers spaced apart in said direction, said slide being shiftable between a first position for filtering said stream through both of said chambers, a second position for filtering said stream through one of said chambers and backf...