| 摘要 |
<p>The invention relates to dispensing means (106,122) for controlling the flow of a product from a dispenser, and to a dispenser (102) including such dispensing means. The dispensing means (106,122) comprises a roller (106) and restraining means (122) for restricting movement of the roller (106) and for providing a seal against the roller (106) when the roller (106) contacts the restraining means (122).</p> |
