QUICK DISSOLVING CAVITY FORMING STRUCTURE FOR INJECTION MOLDED STRUCTURES

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 i...

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Bibliographische Detailangaben
Hauptverfasser:	KIMMIC, William, ZUMBRUM, Michael
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY PERFORMING OPERATIONS PUNCHING METAL REFRACTORIES SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SLAG TRANSPORTING TREATMENT OF NATURAL STONE WORKING CEMENT, CLAY, OR STONE WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	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. Un procédé de moulage d'un article comprend le positionnement d'un insert soluble à l'intérieur d'un moule, à remplir le moule avec un matériau pour former un article à l'intérieur du moule et autour de l'insert soluble, et à dissoudre au moins partiellement l'insert soluble à partir de l'intérieur de l'article. L'insert soluble forme des caractéristiques internes de l'article et comprend un noyau poreux.