tap die

The present invention relates to a tap die used in cooperation with a tap tool to be mounted on and used in a punch press, which comprises a a cylindrical die body, and an inner cylinder being provided inside the cylindrical die body and including a tap contact member pressed downward by a tap provi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHINGO, ARAI, JUNICHI, ASAMI, NOBUHISA, SONODA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MACHINE TOOLS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PUNCHING METAL TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THREAD CUTTING TRANSPORTING WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTIONTHEREWITH WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	The present invention relates to a tap die used in cooperation with a tap tool to be mounted on and used in a punch press, which comprises a a cylindrical die body, and an inner cylinder being provided inside the cylindrical die body and including a tap contact member pressed downward by a tap provided vertically movably to the tap tool, the inner cylinder being provided vertically movably and biased upward inside the cylindrical die body, an air supply port provided to the die body, and a plurality of upper and lower communicating portions provided in an outer circumferential surface of the inner cylinder, and being communicatively connectable to and disconnectable from the air supply port.