Patent ID: 6634403
Filing Date: 2003-10-21
Classification: B31B,Y10S,Y10T

Abstract:
An apparatus for bonding prefabricated cut-to-size window pieces consisting of transparent window material to envelope blanks having window cut-outs, comprising:a suction roller serving as a bonding cylinder that brings together the cut-to-size window pieces separated from a material web consisting of the window material with the envelope blanks respectively at a joining location; a gluing mechanism (40) for applying an adhesive to the cut-to-size window pieces (32), being provided and arranged in such a manner that the respective cut-to-size window piece (32) is already located on the suction roller (35) during the application of the adhesive, with the aid of which suction roller (35) the cut-to-size window piece (32) can be joined immediately subsequently to the respective envelope blank (37) at the joining location; and a suction belt conveyor device (41) provided, at least in a region of the joining location, as a carrier for the envelope blanks (37) and as a counter-tool for the suction roller (35) serving as the bonding cylinder, wherein the suction belt conveyor device (41) has at least one conveyor belt (43) and at least one suction box (44) with a cover plate (46) that supports the at least one conveyor belt (43) and that has apertures or slits (47) therein, and wherein the at least one conveyor belt (43) can be moved in an arcuate manner in a region of the suction roller (35) serving as the bonding cylinder.