Sand gun inflation sealing packaging device
The utility model discloses a sand cannon air inflation sealing packaging device which comprises a packaging box body and an air inflation damping plate arranged on the packaging box body, the air inflation damping plate is provided with a damping plate shell and a buffering foam plate, an air separ...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a sand cannon air inflation sealing packaging device which comprises a packaging box body and an air inflation damping plate arranged on the packaging box body, the air inflation damping plate is provided with a damping plate shell and a buffering foam plate, an air separation plate is arranged in the damping plate shell, and an air valve cavity, an air valve bolt and an air permeable plate are arranged on the air separation plate. Normal-pressure air, flame-retardant polystyrene foam and high-pressure inert gas are arranged in cavities in the upper side and the lower side of a shell of the damping plate and a cavity in the upper side and a cavity in the lower side of the gas isolating plate respectively, the high-pressure inert gas is exhausted outwards when the packaging box body is damaged due to violent collision, the oxygen solubility of the area of the packaging box body is diluted, and explosion and fire behaviors are further restrained. Meanwhile, the flame-retardant polyst |
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