Disassembly-free hole forming jig for earphone waterproof piece

The utility model relates to the technical field of earphone waterproof piece forming dies, in particular to a hole-dismounting-free forming jig of an earphone waterproof piece, which comprises an upper die plate and a lower die plate, and further comprises a first middle plate and a second middle p...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YE YUERU, ZHOU YANG, XIONG JIE
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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