Patent ID: 7665609
Filing Date: 2010-02-23
Classification: B65D

Abstract:
1. An air-tightness strengthening air enclosure, comprising: two outer films, folded together vertically; two inner films having an upper side and a lower side, disposed between the two outer films, one end of the either inner film being aligned with one end of the either outer film at said lower side; an air filling passageway, being an air passable space formed by adhering the two inner films to each other by means of hot sealing at said lower side; a plurality of air chambers, positioned at one side of the air filling passageway and being air storable spaces formed by adhering the two outer films to each other by means of hot sealing; at least one air inlet at said upper side of said air filling passageway, formed by means of hot sealing after a heat resistant material is spread sequentially and separately between the two inner films and used for communicating the air filling passageway with the air chambers; and at least one buffer room, disposed at one side of the air filling passageway, formed between the adjacent single outer film and single inner film and used for storing air; wherein, the air in the buffer room presses the two inner films to shield the air filling passage to prevent air leakage after the air in the air chamber flows into the buffer room.