| 摘要 |
PCT No. PCT/EP93/03507 Sec. 371 Date Aug. 9, 1994 Sec. 102(e) Date Aug. 9, 1994 PCT Filed Dec. 11, 1993 PCT Pub. No. WO94/14597 PCT Pub. Date Jul. 7, 1994.A screw-type extruder in which the wall of the cylinder receiving the screw has an annular recess which is disposed in a radial region of a core bead of the screw and pins extend through this recess and are diagonally inclined to the radial plane thereof close to the circumference of the bead.
|
