BAG BODY HAVING SELF-SEALING NON-RETURN VALVE, BAG BODY FOR CUSHION, AND GAS-SEALED ARTICLE

摘要

PROBLEM TO BE SOLVED: To provide a bag body having self-sealing non-return valve which is excellent in appearance, convenient in use, adequate for re-use, and suitable for a cushioning bag body at a low cost.;SOLUTION: A tubular self-sealing non-return valve which is formed of a self-adhesive film, and tightly fitted by the air pressure in the bag body to close an internal air passage is accommodated in the bag body with one end opening thereof communicated with an air inlet of the bag body, and the bag body has an air outlet for discharging the gas in the bag body.;COPYRIGHT: (C)2003,JPO