Mold for in-mold foam-molding of polyolefin-based resin, method for manufacturing in-mold foam-molded article, and in-mold foam-molded article
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United States of America Patent
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May 26, 2020
Grant Date -
May 18, 2017
app pub date -
Jan 13, 2017
filing date -
Jul 15, 2014
priority date (Note) -
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Abstract
A mold for in-mold foam-molding of a polyolefin-based resin for producing a molded article includes a first mold part, a second mold part, and a divided mold that holds an insert material, wherein the insert material has a protrusion part, the divided mold is formed on the first and the second mold parts in correspondence with the protrusion part of the insert material, the first mold part has a first holding surface, the second mold part has a divided mold member having a second holding surface and a biasing part that guides the divided mold member movably in the mold opening/closing direction and constantly biases the divided mold member toward the first holding surface, and the base portion of the protrusion part of the insert material is configured for being held between the first and second holding surfaces by the divided mold.
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