| 摘要 |
Device for the automatic clamping of a spool of material in web form, especially for a spool-receiving device of a rotary printing machine, each mounting for receiving the projecting hub of the spool having a shell-shaped lower receptacle for supporting the lower hub part, there being additionally an upper shell-shaped constructional part which is arranged displaceably in the axial direction and which, in the front end position, surrounds the upper hub part and, in the retracted position, releases the upper circumferential part of the hub.
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