Patent ID: 7740525

Claim:
A device for working of material plates ( 1 ), comprising: a supporting device( 25 , 26 , 29 ) for the material plate ( 1 ); and a tool ( 12 , 18 ) for working the material plates ( 1 ), wherein the supporting device ( 25 , 26 , 29 ) has paired supporting elements ( 25 ′, 25 ″, 26 ′, 26 ″, 29 ′, 29 ″) with supporting surfaces ( 27 ′, 27 ″, 30 ′, 30 ″) facing one another, between which the material plate ( 1 ) is held, and that there are openings ( 31 ) for liquid emerging under pressure in the supporting surfaces ( 27 ′, 27 ″, 30 ′, 30 ″), and means for delivering liquid under pressure to said openings.