Patent ID: 6123771
Filing Date: 2000-09-26
Classification: B23K

Abstract:
In a device for applying an adhesive in a form of a plurality of adhesive spots to a substrate using a plurality of applicator nozzles, having a metering apparatus and a distribution apparatus arranged downstream of the metering apparatus for conveying and distributing a predeterminable volume of the adhesive to each of the applicator nozzles, and a warming apparatus for heating a warming medium for heating the adhesive, wherein the metering apparatus and the distribution apparatus are connected with each other by a conveying line containing an adhesive conduit, and wherein a plurality of feed lines containing the adhesive conduit lead from the distribution apparatus to the applicator nozzles, the improvement comprising: a closed loop of the warming medium, the closed loop starting at the warming apparatus (2) and routed via the distribution apparatus (3) and the feed lines (6) to the applicator nozzles (4) and returned via the feed lines (6) and the distribution apparatus (3) to the warming apparatus (2), and the distribution apparatus (3) having an upper element (30) and a lower element (32) for one of conducting the feed and respectively returning flow of the warming medium through and with a center element (31), arranged between the upper element (30) and the lower element (32), for passing the adhesive.