Patent ID: 8323549
Filing Date: 2012-12-04
Classification: B29C,B29D,B29L,Y10T

Abstract:
1. A method for forming a web structure, comprising: coating a set of mandrels with a soluble coating; positioning the set of mandrels between a first material layer of a web material and a second material layer of the web material; curing the first material layer and the second material layer of the web material to generate the web structure; wherein the first material layer and the second material layer include a thermosetting resin; wherein the method further comprises: prior to positioning the set of mandrels, placing the first material layer onto a table having a set of slots; positioning a first subset of mandrels of the set of mandrels on the first material layer and over the set of slots; and pushing the mandrels into the slots, the mandrels causing, upon being pushed into the slots, the first material layer to conform to the table; and removing the set of mandrels from the web structure; and removing the soluble coating from the cell wall of the web structure to form a textured bonding surface of the cell wall.