SHEET FOLDING MOLD FOR PREFORMING AND METHOD FOR PREFORMING INSERT SHEET USING THE MOLD

PROBLEM TO BE SOLVED: To provide a sheet folding mold for preforming which can keep a folding angle at about 80-100° even after a long time from preforming and a method for preforming an insert sheet using the mold. SOLUTION: The sheet folding mold for preforming is a metal press mold having a lower...

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Bibliographische Detailangaben
1. Verfasser:	MUKO HIROMITSU
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN AMANNER ANALOGOUS TO PAPER 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 WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a sheet folding mold for preforming which can keep a folding angle at about 80-100° even after a long time from preforming and a method for preforming an insert sheet using the mold. SOLUTION: The sheet folding mold for preforming is a metal press mold having a lower mold in which a housing part comprising a linear channel including a curved part etc., is set on the upper surface, an upper mold fitted with a folding blade in which a blade edge angle is 40-60°, and the tip exhibits R and which can be engaged with the housing part through the insert sheet, and a driving member which brings down the upper mold and pushes the insert sheet into the housing part by the folding blade and is provided with a heater for heating the housing part etc. COPYRIGHT: (C)2005,JPO&NCIPI