Internal thread changing device and method

The invention discloses an internal thread changing device and method. The internal thread changing device comprises a connecting piece and a boss, and the connecting piece is provided with the boss;the structure of the boss is matched with a through hole in a matrix part, and the boss can sleeve th...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LYU CHENGCAI, SU BAOYIN, XIA CHANGKAI, DAI PINGREN, SUN PENG, SHA SHIKANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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