The invention relates to a fastening system for seats. According to the invention, an insert (6) is incorporated into a foam cushion (1), said insert including at least one end free of cushion foam and connection stubs that are likewise free of said foam ,...

Method for obtaining a ready-to-fit seat module, and module obtained. The seat module, comprising a block of foam (3),a textile cover (4), and a metal seat part (7) with a support function, has as fundamental feature an insert made up of a rigid or semi-ri...