Air packaging device and production method for same
A technology of air packaging and production method, applied in the directions of transportation and packaging, packaging of vulnerable items, types of packaging items, etc., can solve the problems of increasing packaging volume, breaking, increasing production costs, etc., to improve production speed and resist falling. Effect of protective performance and buffer protective performance
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[0042] The air-packing device of the present invention will be further described below in conjunction with the drawings and specific embodiments.
[0043] Primary plastic sealing refers to the process of sealing two layers of thermoplastic film and one-way valve to form a flat bag that can store air. Secondary plastic sealing refers to folding the semi-finished product after primary plastic sealing and sealing it again along the secondary plastic sealing line. The process of forming a three-dimensional bag that can hold objects.
[0044] figure 2 It is a schematic diagram of the first embodiment of the air-packing device of the present invention before secondary plastic sealing. It is different from the prior art in that first, the main diameters of the air barriers 3a on both sides are the same and larger than the middle air chamber The main diameter of 3b; second, two check valves 2 are connected to the upper part of the air chamber 3a on both sides and the main channel 1,...
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