| 摘要 |
<p>The invention concerns an air replenishing device for a liquid product dispenser equipped with a rigid reservoir (R) and an atmospheric pump (P) provided in particular with a cylindro-conical body (C) whereon is mounted a support flange (S) fixed on the reservoir (R). The invention is characterised in that it comprises a sleeve (1) designed to be mounted around the pump body (C), beneath said flange (S) and whereof the lower part is provided with a collar (10) forming a vent whereof the inner wall, designed to be urged in radial clamping with said body, has a surface condition such that the collar is sealed both with respect to the liquid product and permeable to air.</p> |
