OPTICAL SHEET FORMING APPARATUS AND OPTICAL SHEET FORMING METHOD

An optical sheet forming technique comprises: an extrusion unit 9 with a discharge slit 18; a forming roll unit (10) with rolls 15, 16 and 17 that are capable of rotating centered on rotation axes; a thick section-forming groove 19 provided on the forming roll unit; and a position adjustment mechani...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MIZUNUMA, Koji, YUKAWA, Daichi, YAMAMURO, Yuta
Format:	Patent
Sprache:	eng ; fre ; jpn
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES 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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