ORGANIC GLASS PRODUCT PROVIDED WITH FINE HOLE AND ITS MANUFACTURE

PURPOSE:To obtain an organic glass product having a fine hole useful as a decorative material, by providing a fine through hole having a smooth inner wall in the organic glass product. CONSTITUTION:A glass product possesses a linear fine hole penetrating an object product (an article which is an obj...

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Bibliographische Detailangaben
Hauptverfasser:	MIYAMAE FUMIHIKO, SEIKE NOBUYOSHI, NAKABASHI SUMIO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain an organic glass product having a fine hole useful as a decorative material, by providing a fine through hole having a smooth inner wall in the organic glass product. CONSTITUTION:A glass product possesses a linear fine hole penetrating an object product (an article which is an object of invention) from an arbitrary direction, and having a smooth inner wall. The inside diameter of the fine hole falls generally within a range of 0.1-2mm, preferably within a range of 0.5-15mm. After stretching of the heat-shrinkable thread line (stretched thread) within a mold frame, a liquid organic glass material is cast within a mold, polymerization and curing of the same are effected at a temperature higher than that for starting of heat shrinkage of a thread line. The title product is manufactured by pulling the thread line out of a thing to be molded after taking the same out of the mold frame.