Patent ID: 8647544

Claim:
A method for manufacturing an envelope style bus seat back cushion comprising the steps of: injecting urethane foam into an envelope style bus seat back cushion mold, said mold having a core to form said envelope style bus seat back cushion, said envelope style bus seat back cushion includes: a front portion and a rear portion; said front portion and said rear portion are connected by a joining portion; said front portion, said rear portion, and said joining portion include a closed upper portion; an open lower portion; and an intermediate portion; said front portion, said rear portion, and said joining portion form said closed upper portion; said open lower portion includes an aperture therein in communication with a pocket formed in said intermediate portion; and said pocket has sides and a bottom reciprocally shaped to slide over a seat back; extracting said envelope style bus seat back cushion urethane foam from said mold; overspraying said envelope style bus seat back cushion urethane foam externally from said mold with an elastomeric skin to a desired thickness.