Ferrule as holder for spray valve or pump valve, for example, has free end which is bent inwards or outwards, and correspondingly the contact face is formed by outside radius of wall curvature
摘要
<p>The ferrule consists of a sleeve-form or cup-form sheet metal component (10) with a cylindrical end (20) which forms a ring-form contact surface. The free end of the ferrule is bent inwards or outwards (22) and correspondingly the contact face is formed by the outside radius of the wall curvature. The bent round end may lie on the outside on the cylindrical end.</p>
