Patent ID: 8808491

Claim:
Method for cutting out parts of balsa blankets, said balsa blankets ( 1 ) having a rectangular shape with two parallel side edges ( 2 , 3 ), two parallel end edges ( 4 , 5 ), an upper surface ( 10 ), and a lower surface ( 11 ) parallel thereto and comprising a flexible carrier layer ( 8 ), a plurality of closely adjacent or abutting balsa blocks ( 9 ) being secured to one face of the flexible carrier layer and an other face thereof forming the lower surface of the balsa blanket, characterised by the following steps: a—providing on a surface of a conveyor ( 12 ) a row of balsa blankets ( 1 ) abutting each other end edge to end edge in butt areas at joining stations ( 14 . 1 - 14 . 5 ) and having aligned side edges ( 2 , 3 ); b—interjoining the balsa blankets ( 1 ) in the butt areas at the joining stations ( 14 . 1 - 14 . 5 ) to form a first balsa blanket web; c—feeding the first balsa blanket web in a direction of feed (F) to a cutting station ( 15 ) where the first balsa blanket web is stepwise conveyed and cut through crosswise at positions to form the desired parts; d—providing a next row of balsa blankets on the surface of the conveyor when a rearmost end edge on a rearmost blanket of the first balsa blanket web is at a last joining station ( 14 . 5 ), said blankets of the next row abutting each other end edge ( 4 ) to end edge ( 5 ) and a leading end edge of a foremost balsa blanket in the next row of balsa blankets abutting the rearmost end edge of the rearmost balsa blanket in the first balsa blanket web, and e—at the joining stations ( 14 . 1 - 14 . 5 ) interjoining the next row of the balsa blankets to form a next balsa blanket web and joining the next balsa blanket web with the first balsa blanket web in a butt area at the rearmost end edge of the rearmost blade blanket in the first balsa blanket web and the leading end edge of the foremost balsa blanket in the next balsa blanket web.