Patent ID: 7490449
Filing Date: 2009-02-17
Classification: B29C,B29K,B29L,B31D,B32B,Y10S

Abstract:
1. An apparatus for manufacturing dunnage comprising: a plurality of rollers for pulling a web of material through the machine; a nozzle with at least one port through which gas or liquid flows; a plurality of ceramic elements mounted in opposing positions on the machine such that the web of material can pass between the ceramic elements; the plurality of ceramic elements each having at least one opening on their opposing outer surfaces; a heating element passing through each of the plurality of ceramic elements for generating heat that will radiate through the at least one opening on the opposing outer surfaces of the ceramic elements that will melt the portion of the material that is passing between the plurality of ceramic elements thereby creating a seam; wherein the at least one opening in the opposing out surfaces of the ceramic elements are of mixed shapes.