MULTIROLL WORKING TOOL OF SMOOTHING MACHINE
FIELD: civil and industrial construction, particularly apparatus or processes for treating or working non-hardened concrete articles, particularly for reshaping the surface, namely smoothing, roughening, corrugating, making screw-threads. ^ SUBSTANCE: multiroll working tool comprises four rolls havi...
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Format: | Patent |
Sprache: | eng ; rus |
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Zusammenfassung: | FIELD: civil and industrial construction, particularly apparatus or processes for treating or working non-hardened concrete articles, particularly for reshaping the surface, namely smoothing, roughening, corrugating, making screw-threads. ^ SUBSTANCE: multiroll working tool comprises four rolls having the same diameters and forming single working surface. The rolls may rotate about common axis with different speeds by means of planetary gears. ^ EFFECT: increased quality along smoothing leading edge, working surface wear uniformity, simplified worn roll displacement, decreased costs of working surface production and usage. ^ 2 dwg |
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