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US 2024/0051206 A1Published application
Quick dissolving cavity forming structure for injection molded structures
AssigneeSartorius Stedim North America Inc.
InventorsMichael Zumbrum, William Kimmick
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Abstract
A method of molding an article includes positioning a dissolvable insert within a mold, filling the mold with material to form an article within the mold and about the dissolvable insert, and at least partially dissolving the dissolvable insert from within the article. The dissolvable insert forms internal features of the article and includes a porous core.
Claims21
A method of molding an article, the method comprising:
- positioning a dissolvable insert within a mold, the dissolvable insert comprising a porous core;
- filling the mold with material to form an article within the mold and about the dissolvable insert such that the dissolvable insert forms internal features of the article;
- and
- at least partially dissolving the dissolvable insert from within the article.
1 more element
A dissolvable insert for forming internal features of a molded article, the dissolvable insert comprising:
- an outer surface configured to form an internal feature of a molded article;
- and
- a porous core within the outer surface configured to support the outer surface such that the outer surface is rigid, the outer surface and the porous core formed of a dissolvable resin configured to be dissolved after the molded article is formed about the outer surface.
Dependencies are inferred from the claim text.