| 摘要 |
PURPOSE:To provide beautiful decoration pattern by random reflection by rotating and feeding for grind each column-shaped work on roller supporting devices arranged aslant to the axial direction using a variable drive means through appropriate deflection of the axial direction using a variable drive means through appropriate deflection of the slanting angle and thereby forming a number of patterns. CONSTITUTION:Each column-shaped work W is placed on roller supporting devices 2, 3, 4 arranged aslant the axial direction, and is rotated through a drive roller while fed in the axial direction for grinding. The grinding feed/ rotation is applied while the revolving speed of said drive roller changed between regular, increased and reduced levels and the slanting angle alpha to the axis of said roller supporting devices 2, 3, 4 is deflected appropriately by a variable drive means to that a further varied set of patterns can be obtained. This provides unique beautiful decoration patterns by random reflection for interiors, exteriors, miscellaneous fixtures, construction material, cooking utencils and any other equipment which uses metal material such as pipes.
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