| 摘要 |
An anti-refill product including a container having a neck integral with a body and shoulder of the container. The neck has a neck finish terminating in a lip, a valve seat axially between the shoulder and the lip and including a single, a circumferentially continuous, internal valve sealing surface extending completely around the neck, and a valve retainer axially between the valve seat and the lip, and including a radially inwardly extending projection that includes at least one internal valve retaining surface. A check element is separate from the container and carried in the container neck between the valve seat and the valve retainer. |
| 主权项 |
1. An anti-refill product that includes:
a container including:
a body,a shoulder integral with and extending from the body, anda neck integral with and extending from the shoulder and including:
a neck finish terminating in a lip,a valve seat axially between the shoulder and the lip, and including a single, circumferentially continuous, internal valve sealing surface extending completely around the neck, anda valve retainer axially between the valve seat and the lip, and including at least one radially inwardly extending projection that includes at least one internal valve retaining surface, and a check element separate from the container and carried in the container neck between the valve seat and the valve retainer. |
