Setting tool for rivet with pull-headed mandrel

Details Setting tool for rivet with pull-headed mandrel Setting tool for rivet with pull-headed mandrel

B - Operations, Transporting

21

J

218/10, 121/15

B21J 15/38 (2006.01) B21J 15/06 (2006.01) B21J 15/18 (2006.01) B21J 15/22 (2006.01) B21J 15/34 (2006.01)

Patent

CA 1269642

ABSTRACT BLIND RIVETING TOOL A blind-riveting tool for setting pull-type rivet assemblies of the kind which has a pulling head on the mandrel comprises abutment member and mandrel-pulling means each with a collet, the latter inside the former, resiliently urged open to admit a mandrel and arranged to be closed by advance of an actuating sleeve on the collet of the abutment member. The abutment member and mandrel- pulling means as a whole are slidable to and from, under air pressure, both having pistons, one behind the other, in a common cylinder, and are separable to effect a rivet- setting stroke by admission of hydraulic fluid between the pistons. Means is provided for delivering a fresh rivet assembly axially into the collets of the abutment member and mandrel-pulling means when they are open in their retracted positions. The tool provides for the rapid and reliable insertion and setting of automatically fed rivet assemblies of the kind referred to, while being easy for the user to operate.

502726

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