Closure system for container
First Claim
Patent Images
1. A closure system for a container, comprising:
- a cap; and
a ring defining a container opening,wherein said cap and ring are configured for screw engagement to seal the opening,said cap comprising an essentially circular top wall from which there extends a downward annular skirt having an annular bottom edge and a radially inward face provided with a screw thread,said ring having an annular rim forming said opening, an annular collar projecting out radially as far as a radially outermost face and a screw thread, complementary to the screw thread of the cap located between the collar and the rim of the ring,wherein said skirt of the cap comprises at least one annular barrier member which projects from said radially inward face and is adapted for bearing in a substantially radial direction against the entire periphery of said radially outermost face of the collar, andwherein said skirt of the cap and said at least one barrier member are formed integrally of one piece of a same material.
1 Assignment
0 Petitions
Accused Products
Abstract
Closure system for a container including a cap and a ring adapted to engage by screwing in order to seal the opening, the cap including an upper wall from which in a downwards direction there extends an annular skirt that has a lower annular end and a radially inner surface fitted with a thread. The ring has an annular top rim, an annular collar and a thread complementary to the thread of the cap provided between the collar and the rim of the ring. The skirt of the cap includes a projecting annular member forming a barrier and adapted to be supported against the whole periphery of the collar of the ring in a substantially radial direction.
-
Citations
16 Claims
-
1. A closure system for a container, comprising:
-
a cap; and a ring defining a container opening, wherein said cap and ring are configured for screw engagement to seal the opening, said cap comprising an essentially circular top wall from which there extends a downward annular skirt having an annular bottom edge and a radially inward face provided with a screw thread, said ring having an annular rim forming said opening, an annular collar projecting out radially as far as a radially outermost face and a screw thread, complementary to the screw thread of the cap located between the collar and the rim of the ring, wherein said skirt of the cap comprises at least one annular barrier member which projects from said radially inward face and is adapted for bearing in a substantially radial direction against the entire periphery of said radially outermost face of the collar, and wherein said skirt of the cap and said at least one barrier member are formed integrally of one piece of a same material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
-
-
15. A closure system for a container, comprising:
-
a cap; and a ring defining a container opening, wherein said cap and said ring are suitable for screw engagement to seal the opening, said cap comprising an essentially circular top wall from which there extends a downward annular skirt having an annular bottom edge and a radially inward face provided with a screw thread, said ring having an annular rim forming said opening, an annular collar projecting out radially as far as a radially outermost face and a screw thread, complementary to the screw thread of the cap located between the collar and the rim of the ring, wherein said skirt of the cap comprises an annular barrier member which projects from said radially inward face and is adapted for bearing in a substantially radial direction against the entire periphery of said radially outermost face of the collar, and wherein a peripheral recess is formed in said skirt of the cap, said peripheral recess being adjacent to said barrier member, the barrier member being arranged closer to the annular bottom edge of the cap than the peripheral recess, wherein said cap is formed integrally of one piece of material. - View Dependent Claims (16)
-
Specification