| 摘要 |
PCT No. PCT/AT97/00025 Sec. 371 Date Aug. 13, 1998 Sec. 102(e) Date Aug. 13, 1998 PCT Filed Feb. 11, 1997 PCT Pub. No. WO97/29899 PCT Pub. Date Aug. 21, 1997A method for cooling and if necessary calibrating elongate articles 7 of plastic, in which the article 7, during its continuous progress has flowing round it only a gaseous cooling medium 42 at a temperature of less than 100 DEG C. at least over a portion of its outer surface and extending over a pre-determinable length of the article 7, in a plurality of flow areas 25-35' separate from one another and located one behind the other in the extrusion direction, arrow 5.
|
