Patent ID: 8105068

Claim:
A reusable apparatus for vacuum sealing a curable material against a tool, wherein the tool has a permeating substance inlet and a permeating substance outlet, and dispersing a permeating substance through the curable material, the reusable apparatus comprising: a first side configured to face away from the curable material; a second side configured to face the curable material; a peripheral edge extending between the first and second sides; and a plurality of surface deviations formed on the second side and configured for directing a flow of the permeating substance evenly throughout the curable material, wherein the surface deviations comprise a first flow path area having a plurality of flow path protrusions configured to provide a plurality of flow paths therebetween for directing a flow of the permeating substance evenly throughout the curable material and an elongated groove substantially extending a width of the curable material and located to one side of the first flow path area, wherein the elongated groove is configured to be positioned proximate to the permeating substance inlet of the tool and configured to evenly disperse the permeating substance throughout the elongated groove and throughout a width of the first flow path area.