DIE CAPABLE OF BEING OPENED, MANUFACTURING METHOD THEREOF, AND MOLD

DIE CAPABLE OF BEING OPENED, MANUFACTURING METHOD THEREOF, AND MOLD

IN A DIE WHICH HAS A REGULAR POLYHEDRON FORM AND WHICH CAN BE OPENED INTO A CONTINUOUS POLYGONAL FORM ON A PLANE, BOUNDARY AREAS (RB) BETWEEN PLANES (11 THROUGH 16) ON THE INNER SIDE OF THE REGULAR POLYHEDRON HAVE INCLINATION ANGLES DETERMINED ACCORDING TO THE REGULAR POLYHEDRON. IN ADDITION, ENGAGI...

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Bibliographische Detailangaben
Hauptverfasser: SHOJI DEWA, AKIHIRO TAKATOKU
Format: Patent
Sprache:eng
Schlagworte:
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Zusammenfassung:IN A DIE WHICH HAS A REGULAR POLYHEDRON FORM AND WHICH CAN BE OPENED INTO A CONTINUOUS POLYGONAL FORM ON A PLANE, BOUNDARY AREAS (RB) BETWEEN PLANES (11 THROUGH 16) ON THE INNER SIDE OF THE REGULAR POLYHEDRON HAVE INCLINATION ANGLES DETERMINED ACCORDING TO THE REGULAR POLYHEDRON. IN ADDITION, ENGAGING PORTIONS (21a,21b,24a,24b,25a,25b,26a,26b) NOT EXCEEDING THE RESPECTIVE BOUNDRY AREAS (RB) ARE PLACED ON THE BOUNDARY AREAS (RB) OF PREDETERMINED PLANES (11 THROUGH 16). SUCH A DIE IS FORMED BY INJECTING PLASTIC RESIN WITHIN A MOLD (31,32) ACCORDING TO THE FORM OF THE OPENED DIE.THIS REALIZES A THREE-DIMENSIONAL DIE CAPABLE OF BEING OPENED ONTO A TWO-DIMENSIONAL PLANE,WHICH HAS ONLY BEEN FICTIONALLY CONCEIVED, AND FURTHER PROVIDES A MANUFACTURING METHOD THEREOF.