Blow mould for forming plastic preforms into plastic containers with air discharge as well as base part for a blow mould
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United States of America Patent
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Dec 5, 2023
Grant Date -
Jun 22, 2023
app pub date -
Mar 29, 2022
filing date -
Dec 21, 2021
priority date (Note) -
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Abstract
A blow mould for forming plastic preforms into plastic containers, having at least two blow to mould side parts and a base part, which form a cavity, within which plastic preforms can be formed into the plastic containers by being acted upon by a flowable medium, wherein an inner wall of the blow mould side parts and of the base part having a contour which produces a predetermined shape of the plastic containers to be produced, wherein a plurality of openings being provided in at least one section of the base part, which openings allow a gaseous medium to be discharged during an expansion process of the plastic container. A ratio between a surface area of the base part and a surface area of the openings is 3-350, preferably 4-200, and particularly preferably 3-100.
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