| 摘要 |
1,201,706. Screw extruder barrels or casings. SCHLOEMANN A.G. 6 Nov., 1968 [1 Dec., 1967], No. 52503/68. Heading B5A. [Also in Division B8] The easing of a twin screw 1, 2 is formed in two pieces 4, 5 which are secured together by screws 6, 7 and contained within outer ring 13. The casing can thus be easily dismantled. The inside of the casing is coated centrifugally by wear resisting metal. |
