Method of producing container product
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 25, 2025
Grant Date -
Nov 21, 2024
app pub date -
May 17, 2023
filing date -
May 17, 2023
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method of producing a container product comprises providing a mold including a first part and a second part. The mold is closed to define a cavity having a first area and a second area. A molten plastic composition including a polymer and a physical blowing agent is filled into the cavity. Then, the molten plastic composition in the cavity is cooled, such that the molten plastic composition in the first area is completely cooled and solidifies or a central portion of the first area has micro uncooled molten plastic composition. The second area has the plastic composition in the molten state. The first part of the mold is moved in the axial direction. The molten plastic composition in the second area forms a beehive foam after foaming and expansion. Then, the foamed container product in the mold is cooled to take shape and then removed after opening the mold.
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