Spreadable reel mandrel used for coiling strip-like material comprises a sleeve placed on a mandrel and consisting of ring segments connected together by extension springs

摘要

Spreadable reel mandrel comprises a sleeve (2) placed on a mandrel (1) and consisting of ring segments connected together by extension springs. Preferred Features: The sleeve consists of four ring segments and the extension springs are each arranged between the peripheral ends of one and the peripheral start of the other ring segments.