Sewing-free vamp vacuum high-frequency processing method and device

The invention discloses a sewing-free vamp vacuum high-frequency processing method and device. The method comprises the steps that at first, a thin silica gel sheet having a sealing function covers a to-be-processed vamp formed by a multi-layer vamp material, vacuumizing is carried out, and negative...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	YU ZHANGJIAN
Format:	Patent
Sprache:	chi ; 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
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