FIELD: plastic metal working, possibly manufacture of spikes for rail tracks. SUBSTANCE: method comprises steps of making piece blanks with oblique mutually parallel end planes; heating end portions of blank; alternatively forming pointed portion and head with use of prism engaging with tip of pointed portion. EFFECT: reduced energy consumption, enhanced quality of spike. 2 cl
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Authors
Dates
2000-08-10—Published
1997-06-17—Filed