Sealing cap
First Claim
1. A cap closure (1) to be screwed and/or pressed onto the pour neck (4) of a container, in particular a bottle, comprising an in particular annular coaxial seal lip (6) that is attached to the end wall of the cap and extends into the neck when the cap is mounted, characterized in that the seal lip (6) is outwardly curved and/or creased between the upper end (7) and the lower end (8) thereof in such a way that the curvature (12) and/or the crease (9) extends farther out and the outer face of the seal lip (6) rests in a sealing manner against the inner wall of the neck (4) when the seal lip is compressed axially.
1 Assignment
0 Petitions
Accused Products
Abstract
The invention relates to a scaling cap (1) that is to be screwed and/or pressed onto the pouring neck (4) of a container, especially a bottle. Said sealing cap (1) comprises a particularly annular coaxial sealing lip (6) which is fixed within the bottom (2) of the cap and extends into the neck when the cap is mounted. The sealing lip is curved and/or buckled towards the outside between the upper and the lower end (7, 8) thereof in such a way that the curvature (12) and/or the buckled point (9) travel/s further out and the external face of the sealing lip sealingly rests against the interior wall of the neck when the sealing lip is compressed in an axial direction.
43 Citations
18 Claims
- 1. A cap closure (1) to be screwed and/or pressed onto the pour neck (4) of a container, in particular a bottle, comprising an in particular annular coaxial seal lip (6) that is attached to the end wall of the cap and extends into the neck when the cap is mounted, characterized in that the seal lip (6) is outwardly curved and/or creased between the upper end (7) and the lower end (8) thereof in such a way that the curvature (12) and/or the crease (9) extends farther out and the outer face of the seal lip (6) rests in a sealing manner against the inner wall of the neck (4) when the seal lip is compressed axially.
-
11. In combination with a container pour neck centered on an axis,
a cap fittable axially over the neck and having an end wall and a side wall; -
an annular seal lip extending axially inward from an attachment point at the end wall, fittable inside the pour neck, having an inner end, and of a diameter that is greater at a central region between the attachment point and the inner end than at the inner end; and
a formation engageable with the inner end of the seal lip when the cap is fitted over the pour neck to axially compress the seal lip and force the central region radially outward into sealing engagement with an inner surface of the pour neck. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
-
Specification