Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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B29K
INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR; MOULDS,; REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
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2867/00
Use of polyesters or derivatives thereof as mould material
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B29K2867/04
Polyesters derived from hydroxycarboxylic acids
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B29K2867/043
PGA, i.e. polyglycolic acid or polyglycolide
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B29K2867/043

QUICK DISSOLVING CAVITY FORMING STRUCTURE FOR INJECTION MOLDED STRUCTURES
20240051206 · 2024-02-15 · ·

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.