| 摘要 |
A C-shaped adapter for mounting on a spool on which a web of material is to be wound shortens the effective winding width of the spool. The adapter has a web-blocking portion which blocks the web by forming a flange. A holding portion positions the web-blocking portion on the spool. A lug on the adapter mates with a depression in the spool to prevent axial movement of the adapter along the spool. The web-blocking portion includes a body and two arms which extend from opposite sides of the body. The holding portion includes an open circular portion terminating in two legs which fit around the spool to secure the adapter to the spool.
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