Multi-layer protective inflatable packaging bag with self-adhesive film
The invention provides a multi-layer protective inflatable packaging bag with a self-adhesive film. The multi-layer protective inflatable packaging bag with the self-adhesive film which is characterized in that an upper-layer bag body is formed by a first-layer film, a third-layer film, a fifth-laye...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides a multi-layer protective inflatable packaging bag with a self-adhesive film. The multi-layer protective inflatable packaging bag with the self-adhesive film which is characterized in that an upper-layer bag body is formed by a first-layer film, a third-layer film, a fifth-layer film and a seventh-layer film; a lower-layer bag body is formed by a second-layer film, a fourth-layer film, a sixth-layer film and an eighth-layer film; the first-layer film to the eighth-layer film are fixedly connected through a first heat sealing line and a second heat sealing line which are located on two sides of the bag body in a heat sealing mode; and a tight cavity used for placing a transported object is formed by the first-layer film and the second-layer film, a first inflation cavity is formed by the first-layer film to the fourth-layer film, and a second inflation cavity is formed by the fifth-layer film to the eighth-layer film. Through double-layer protection of the two inflation cavities, the occu |
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