Patent ID: 8998316
Filing Date: 2015-04-07
Classification: B29C,B29L,B60N,Y10T

Abstract:
1. A method to make a blow molded plastic seat back for an automotive vehicle assembly, comprising one or more single wall section and one or more double walled section, comprising the steps of: (i) blow molding a double walled seat back having a rearward wall, a forward wall, and one or more tack off partially or completely surrounding section to be removed, (ii) separating from the adjacent double walled section(s) the section to be removed from, by any acceptable means, and (iii) removing the separated section providing a blow molded seat back comprising one or more double walled section and one or more single wall section wherein the blow molded seat back comprises a plurality of individual integrated reinforcement structures for defining an integrated reinforcement structure pattern, an attachment assembly for anchoring said seat back to at least one body in white portion of said automotive vehicle and said seating assembly comprising the blow molded seat back is capable of (1) withstanding without rupture at least about 13000 Newtons in the direction in which the seat faces in a plane, parallel to the longitudinal centerline of the vehicle; and (2) upon rapid acceleration up to at least about 20 g, exhibiting substantially no fragmentation of the seat back with at least a 36 kg mass placed behind the seat back.