| 摘要 |
PCT No. PCT/AT96/00182 Sec. 371 Date May 30, 1997 Sec. 102(e) Date May 30, 1997 PCT Filed Oct. 3, 1996 PCT Pub. No. WO97/13001 PCT Pub. Date Apr. 10, 1997A process for producing a coating on the surface of a plastifier screw for injection molding machines includes applying to a hard-metallic or ceramic substrate with low distortion, a steel screw base element, by high-speed flame spraying. During the coating process, a spray jet treats the different surface regions of the screw base element including the flanks and top of a rib as well as the base of the screw, independently.
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