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SLEEVE BOSS FOR SCRATCH PREVENTION, PARTICULARLY FOR PREVENTING THE OCCURRENCE OF SCRATCHES ON A SURFACE OF A PROCESSED PRODUCT
SLEEVE BOSS FOR SCRATCH PREVENTION, PARTICULARLY FOR PREVENTING THE OCCURRENCE OF SCRATCHES ON A SURFACE OF A PROCESSED PRODUCT
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机译：防止刮伤的袖子，特别是用于防止加工产品表面刮痕的发生
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摘要
PURPOSE: A sleeve boss for scratch prevention is provided to prevent the scratches resulting from a chip on the surface of a process product in a drilling or counter sinking process.;CONSTITUTION: A sleeve boss(30) for scratch prevention includes a sleeve and a shaft. The sleeve has a hollow pipe shape, and a cut unit is formed at one end portion of the sleeve. A shaft cuts a processed product by rotating a cutting unit through the inner side of the sleeve, and the sleeve boss is formed in a flange shape and allows the detachment from one end portion of the sleeve.;COPYRIGHT KIPO 2011
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