Novel air inlet nozzle runner and air column bag

Abstract

The invention discloses a novel air inlet nozzle runner and an air column bag. The air inlet nozzle runner comprises an inlet and an outlet. The air inlet nozzle runner is divided by sealing lines toform a plurality of bends. The air column bag comprises the air inlet nozzle runner and further comprises an air inlet channel formed by heat sealing of an upper membrane and a lower membrane and a plurality of air column bag units. The inlet and the outlet of the air inlet nozzle runner communicate with the air inlet channel and the air column bag units respectively. The novel air inlet nozzle runner has the advantages of being good in airtightness and stable in heat sealing effect.

Description

Technical field [0001] The invention belongs to the technical field of air intake runners, and specifically relates to a novel air intake nozzle runner and air column bag. Background technique [0002] Air column bags, also known as cushioning air column bags, inflatable bags, bubble column bags, and cylindrical inflatable bags, are new packaging materials filled with natural air. At present, most of the gas cylinder bags on the market use the inlet flow channel of the one-way valve. The advantage of this gas cylinder bag is: after high-pressure gas is flushed into the gas cylinder bag, heat sealing is not required, and the gas will not leak in the reverse direction. To achieve sealing, but the disadvantages are: 1. The one-way valve area is a three-layer film, which requires more materials and higher costs, and the production cost is higher due to the licensing fee of the one-way valve patent; 2. The structure of the one-way valve It can lock the gas, but if it is placed for a ...

AI Technical Summary

Problems solved by technology

At present, most of the air column bags on the market use the inlet flow channel of the one-way valve. The advantages of this kind of air column bag are: after the high-pressure gas rushes into the air column bag, no heat sealing is required, and the gas will not leak in the opposite direction, thus Realize sealing, but the disadvantages are: 1. The area of ​​the one-way valve is a three-layer film, which requires more materials and higher cost, and the production cost is higher due to the authorization fee of the one-way valve patent; 2. The structure of the one-way valve It can lock the gas, but if it is placed for a long time (such as 3~6 months), the gas will slowly leak from the one-way valve, resulting in insufficient internal air pressure

The disadvantage of this air intake nozzle structure is that high-pressure gas has been rushed into the body of the air column bag during pressing and heat sealing. After the heat sealing is completed, the pressing force disappears. The gas will break the heat-sealed upper and lower layers of film, resulting in heat-sealing failure

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