Tool for finish machining rifling of gun barrel - has machining elements mounted on flexible cylinder with thick rubber centre to allow axial compression

The rifling of the bore of the barrel of a gun is finish machined by means of a tool which is pulled or pushed through the barrel. The tool consists of a hollow cylinder (1) with machining elements (3) separated by slits and corresponding to the grooves in the rifling. This hollow cylinder is fitted...

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Bibliographische Detailangaben
Hauptverfasser:	FANKHAUSER, RUDOLF, RINALDI, MANFRED, FLEGEL, EBERHARD
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING PERFORMING OPERATIONS POLISHING TRANSPORTING
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Beschreibung
Zusammenfassung:	The rifling of the bore of the barrel of a gun is finish machined by means of a tool which is pulled or pushed through the barrel. The tool consists of a hollow cylinder (1) with machining elements (3) separated by slits and corresponding to the grooves in the rifling. This hollow cylinder is fitted over a mandrel with a thick rubber middle portion which can be compressed axially. The axial compression causes the rubber to expand radially and expand the body of the tool to provide fine adjustment of the diameter. USE - Finish machining of rifling of gun barrels.