Patent ID: 6868978

Claim:
A closure cap ( 1 ) for an infusion and transfusion bottle, having a flanged cap ( 3 ), which engages around a flanged neck ( 5 ) of the bottle ( 6 ), secures a closure stopper ( 8 ) in the bottle ( 6 ) arid has a center recess ( 18 ), which is closed off by a center region ( 19 ) of a plastic cover ( 2 ) such that an annular zone ( 21 ) of the plastic cover ( 2 ) engages beneath an edge ( 22 ) of the center recess ( 18 ), in said closure cap at least two desired bending lines (I) of the plastic cover are formed by a thinning of the material and run in radial direction and wherein the desired bending lines (I) open out into a circumferential weakening (S) which runs at a radial distance (y) from a center point (z) of the plastic cover ( 2 ).