To provide a packaging container which is provided with a high fracture limit, is free from a scratch and contamination on the inside face of the container and is free from the danger of beverage leakage, and to provide its production method.
This packaging container 1 is made of an aluminum alloy plate, and is provided with a cylindrical can body part 2 with a bottom, a neck part 3 which is connected to the body part 2 and whose outer diameter is smaller than the maximum outer diameter D1 of the can body part 2, and an opening part 4 formed on the end of the neck part 3. The can body part 2 is provided, at a position where the thickness of its side wall is the thinnest, with a curved part 5 where the side wall is curved toward the diameter inside direction thoroughly in the peripheral direction.
JP4951105 | Metal can |
JPH1190564 | CAN, ITS MANUFACTURE AND MANUFACTURING DEVICE |
JPH0769336 | WIDE-NECKED DRUM FOR FREIGHT |
TSURUTA ATSUTO
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