Invention Grant
- Patent Title: Foam pump
- Patent Title (中): 泡沫泵
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Application No.: US12017622Application Date: 2008-01-22
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Publication No.: US08109415B2Publication Date: 2012-02-07
- Inventor: Xufeng Tu
- Applicant: Xufeng Tu
- Agency: Haugen Law Firm PLLP
- Priority: CN200720113219U 20070810
- Main IPC: B67D7/76
- IPC: B67D7/76
Abstract:
A foam pump includes a pump body, a large piston, large piston rod, a small piston, a small piston rod, a over cap and a foaming mesh. The large piston rod is equipped with a one-way valve connected with an air cavity to enable one-way air inlet from the air cavity to a gas-liquid mixing chamber. The mixed air and liquid forms a dischargeable foam.
Public/Granted literature
- US20090039111A1 Foam Pump Public/Granted day:2009-02-12
Information query
IPC分类:
