Patent ID: 9682489
Date: 2017-06-20
CPC Classifications: B08B,B21D,B23K,B26D,Y10T

Claim:
1. A method for the decoating at least in part of blanks made of metal which are coated on one or both sides in regions, which are flat and have a main extension direction in a plane of the blank, wherein the regions to be decoated extend in either a straight or curved manner in the main extension direction, the method comprising: providing a blank and placing the blank on a blank support of a press and wherein said press has upper and lower tools, the blank support, a pressing table, and at least one scraping knife mounted on at least one of the upper and lower tools, lowering the upper tool and simultaneously moving said at least one scraping knife to remove the coating on the blank by scraping substantially perpendicular to the main extension direction of the region of the blank to be decoated and within the plane of the blank.