Package
A technology of metal top cover and metal bottom plate, applied in the field of packaging
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[0016] like figure 1 As shown, a package includes a metal top cover 1 and a metal bottom plate 2, the metal top cover is in the shape of a flat straw hat, with a top 3 and an eaves 4, the metal bottom plate is in the shape of a circular flat plate, the outer diameter of the metal bottom plate and the metal top The outer diameters of the eaves of the cover are equal, the metal top cover and the metal bottom plate are combined and detachably connected, and the inner space enclosed by the metal top cover and the metal bottom plate is a product storage space.
[0017] Specifically, the lower surface of the eaves of the metal roof has an annular groove, and correspondingly, the upper surface of the metal bottom plate has an annular protrusion, and the circumferential surface of the annular protrusion and the circumferential surface of the annular groove have matching threads. Metal top cover and metal bottom plate threaded connection.
[0018] There is a through hole on the top o...
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