Expanding mandrel assembly for a web-coiling core

Details Expanding mandrel assembly for a web-coiling core Expanding mandrel assembly for a web-coiling core

B - Operations, Transporting

65

H

242/74

B65H 16/04 (2006.01) B65H 18/04 (2006.01) B65H 75/24 (2006.01)

Patent

CA 1271178

ABSTRACT OF THE DISCLOSURE An expanding mandrel for clamping a tubular member, especially a tubular core on which a paper web can be coiled in a machine for coiling the web or for supplying the web from a coil, has a pin with flat surfaces against which bracing elements support angularly equispaced segments in a cage which are pressed outwardly to urge convex surfaces of the segments against the inner surface of the core. Along longitudinal edges of the segments rounded rises or protuberances are provided which prevent stress peaks tending to damage the core.

511120

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