Patent ID: 6736280
Filing Date: 2004-05-18
Classification: B65D

Abstract:
A tamper-proof cap for bottles, said cap comprising:a cylindrical single piece injected in plastic material, including: a cylindrical vertical base, including an external anti-sliding surface, an internal adequate thread interrupted by sections, a superior end completely closed by a circular wall with a round shape edge, a respective sealing layer placed against the circular wall and a lower end; and a circular sealing belt connected to the cylindrical vertical base lower end, including: a wall, presenting an outwards slight increase on the thickness; an internal surface; an external surface; an upper end; a lower end; a circular cut line above said thickening, said cut line interrupted by breakable elements; and a plurality of articulated blades adjacent to the lower end, said blades equidistantly spaced, presenting at least one anti-attrition thread radially inwards projected, a plurality of flanges and a base configured with a dimensional detail operating as a locking component between the cap and the bottle, wherein the sealing belt includes a plurality of breakable weakening points vertically accompanying the moulding of the cap, reducing the thickness of said sealing belt from the sealing belt lower end to a portion slightly above the cut line, creating vertical rupture points.