MOLD FOR MANUFACTURING LIGHT GUIDE PLATE AND LIGHT GUIDE PLATE MANUFACTURING METHOD

PROBLEM TO BE SOLVED: To economically manufacture a light guide plate used in a liquid crystal backlight or the like without requiring a large-scaled injection molding machine. SOLUTION: A mold for manufacturing the light guide plate has a stacked mold structure wherein a fixed template 1, an interm...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	MOTOYOSHI MASANORI, NAKANISHI HIROSHI
Format:	Patent
Sprache:	eng
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
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To economically manufacture a light guide plate used in a liquid crystal backlight or the like without requiring a large-scaled injection molding machine. SOLUTION: A mold for manufacturing the light guide plate has a stacked mold structure wherein a fixed template 1, an intermediate template 2 and a movable template 3 are provided and a first cavity 4 is formed by the fixed template 1 and the intermediate template 2 while a second cavity 5 is formed by the intermediate template 2 and the movable template 3. A hot runner 6, which has the valve gate 9 provided to a nozzle part and freely adjusts the filling amount of the respective cavities 4 and 5 with a molten resin, is provided to a runner. COPYRIGHT: (C)2004,JPO&NCIPI