Patent ID: 9713890
Date: 2017-07-25
CPC Classifications: B29C,B29K,B29L

Claim:
1. A method of making an interior panel having an integrated airbag deployment door for a motor vehicle, the method comprising the steps of: advancing a forward most edge of a melt flow front of molten resin in a first direction within a molding tool cavity; contacting the forward most edge of the melt flow front in the molding tool cavity with a plurality of juxtaposed pressurized gas streams passing through the molding tool cavity in a second direction which is transverse to the first direction to form a series of holes, bubbles, knit lines, or combinations thereof in the molten resin; and solidifying the molten resin to form a substrate, wherein the series of holes, bubbles, knit lines, or combinations thereof define a frangible tear seam in the substrate.