Knurling roller and knurling device, film roll producing method, and polymer film

Knurling teeth consisting of a lot of projections are arranged in an approximately matrix manner on an outer circumferential surface of a roller body so as to constitute a first knurling roller. Each of the knurling teeth consists of a projection having a front-end plane surface, and a reinforced-po...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MATSUSHITA, TOSHIHIRO, SABURI, AKITO, NARUKAWA, YOSHIAKI
Format:	Patent
Sprache:	chi ; 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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