SHEET SPREADING METHOD AND METHOD FOR MANUFACTURING SHEET LAMINATE

PROBLEM TO BE SOLVED: To provide a sheet spreading method in which a low-rigid, non self-sustaining sheet in a substantially rectangular shape can be made to be a flat surface state, and a method for manufacturing a sheet laminate using the sheet spreading method. SOLUTION: The sheet spreading metho...

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Bibliographische Detailangaben
Hauptverfasser:	TAKIZAWA TSUNAICHI, TSUKAHARA TAKAFUMI, KAWAI TAKESHI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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:	PROBLEM TO BE SOLVED: To provide a sheet spreading method in which a low-rigid, non self-sustaining sheet in a substantially rectangular shape can be made to be a flat surface state, and a method for manufacturing a sheet laminate using the sheet spreading method. SOLUTION: The sheet spreading method is provided in which firstly, a first corner portion 11 of a sheet 1 is supported by a crank pin 17, a second corner portion 12 is supported by a crank pin 18 movable in a positive x-axis direction, a third corner portion 13 is supported by a crank pin 19 movable in a negative x-axis direction and a positive y-axis direction, and a fourth corner portion 14 is supported by a crank pin 20 movable in a positive x-axis direction and a positive y-axis direction, and next, the first corner portion 11 is fixed by fixing the crank pin 17, and the second to the fourth corner portions 12 to 14 are pulled by moving the crank pins 18 to 20, respectively. COPYRIGHT: (C)2008,JPO&INPIT