| 摘要 |
A hollow cylinder supporting end flange is disclosed comprising a disk shaped member, a supporting hub extending axially from the disk shaped member and an annular ring supported on the hub, the ring comprising a plurality of sharp protrusions or barbs extending from the ring in a direction away from the hub for engagement with the hollow cylindrical member upon insertion of the annular ring into the hollow cylindrical member. This end flange is utilized in an assembly comprising a hollow cylindrical member having a circular cross section and an inner surface and an end flange comprising a disk shaped member having a circular periphery, a supporting hub extending axially from the disk shaped member into one end of the hollow cylindrical member and an annular ring supported on and secured to the hub, the ring comprising a plurality of sharp protrusions extending from the ring in a direction away from the hub into engagement with inner surface of the hollow cylindrical member to secure the hollow cylindrical member to the end flange.
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