AIR BAG INTEGRALLY MOLDED FROM RESIN MATERIAL, AND MASSAGE CHAIR PROVIDED WITH AIR BAG

摘要

An air bag (60) which is integrally molded from a resin material comprises a first air chamber (61) into which air is supplied and from which air is evacuated, a second air chamber (62) into which air is supplied and from which air is evacuated, and an interim portion (60C) which is formed between the first air chamber and the second air chamber. The interim portion (60C) further comprises a thin part (67), and a reinforcing part (68) which reinforces the thin part. The reinforcing part (68) is integrally formed with the thin part (67) and is thicker than the thin part (67).