Apparatus for forming a baffle

A perforation apparatus includes a punch housing 4 having an aperture through which 8 piping is longitudinally and rotationally moveable and one or more punches 7 arranged radially around the aperture to perforate the piping, a driven annular housing 3 including an aperture corresponding to the punc...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	SANDERSON RONALD MALCOLM BOND
Format:	Patent
Sprache:	eng
Schlagworte:	CUTTING CUTTING-OUT HAND CUTTING TOOLS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORATING PERFORMING OPERATIONS PUNCHING PUNCHING METAL SEVERING SEVERING BY MEANS OTHER THAN CUTTING STAMPING-OUT TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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