| 发明名称 |
VENT VALVES AND REFILL UNITS WITH VENT VALVES FOR USE WITH INVERTED NON-COLLAPSING CONTAINERS |
| 摘要 |
An exemplary refill unit for a dispenser includes an inverted non-collapsing container for holding a liquid. A pump housing is secured to the bottom of the inverted non-collapsing container. The pump housing includes a pump chamber for pumping fluid out of the inverted non-collapsing container. The pump housing includes an annular venting chamber. The annular venting chamber has a floor with an opening therethrough. A vent valve is located within the venting chamber. The vent valve has a first wiper seal in contact with a wall of the annular venting chamber. |
| 申请公布号 |
US2016367083(A1) |
申请公布日期 |
2016.12.22 |
| 申请号 |
US201615178755 |
申请日期 |
2016.06.10 |
| 申请人 |
GOJO Industries, Inc. |
发明人 |
Harris Donald R. |
| 分类号 |
A47K5/12;B05B11/00;A47K5/14 |
主分类号 |
A47K5/12 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A refill unit for a dispenser comprising:
an inverted non-collapsing container for holding a liquid; a pump housing secured to the bottom of the inverted non-collapsing container; the pump housing having a pump chamber for pumping fluid out of the inverted non-collapsing container; the pump housing having an annular venting chamber; the annular venting chamber having a floor with an opening therethrough; a vent valve located within the venting chamber;
wherein the vent valve has a first wiper seal in contact with a wall of the annular venting chamber; andwherein a surface of the first wiper seal is in contact with fluid when fluid is in the non-collapsing container. |
| 地址 |
Akron OH US |
