| 摘要 |
A headset device for use with a capping machine for applying roll-on closures to a container, wherein a plurality of capping headsets is provided, each of which includes pivotally mounted cam roller and follower members operative in response to reciprocal movement of a cone-like cam member in conjunction with a resilient torsion element for generating a predetermined controlled radial force on the metal forming roller members upon axial displacement of the cam member. |
