DIE-CUTTING METHOD, FLEXIBLE ABRASIVE PRODUCT AND APPARATUS FOR MANUFACTURING THEREOF
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United States of America Patent
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Issued Date -
Dec 20, 2007
app pub date -
Jun 14, 2007
filing date -
Jun 19, 2006
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a method for manufacturing a flexible abrasive product, to such an abrasive product as well as to an apparatus for manufacturing the same. Hereby, the abrasive product is formed to be of the shape of a substantially regular polygon by die cutting it off a material strip. In the present case, the abrasive product has obtained a polygonal shape in which adjacent sides have a reciprocal interior angle of substantially 120 to 150.degree., whereby the die cutting is carried out in such a way that it coincides at least partly with the die cutting of several adjacent abrasive products. In this way, the die cutting can provide a partially continuous cutting line on the periphery of each individual abrasive product, which cutting line has a significant part of its length in common with the adjacent abrasive products.
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