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US 4,900,316 AGranted
Vacuum skin cleaner
AssigneeAzz International Co., Ltd.
InventorMasuo Yamamoto
Life of this patent
Estimating the term…
Abstract
A vacuum skin cleaner includes a negative pressure generator and an applicator cap, wherein the negative pressure generator has an internal venturi water passage and a suction passage. One end of the water passage of the negative pressure generator is connected to a tap water faucet and has a discharge opening at its other end. The suction passage communicates with a throat of the venturi water passage, and the applicator cap communicates with the suction passage and has a mouth opening for making contact with the human skin.
Claims15
A vacuum skin cleaner comprising:
- a negative pressure generator having an internal water passage and a suction passage;
- said water passage being connected at one end to a tap water faucet and having a discharge opening at the other end;
- said water passage having a cross-sectionally reduced intermediate portion;
- said suction passage communicating with said intermediate portion;
- an applicator cap communicating with said suction passage and having an opening mouth for contact with human skin;
- and
- a mounting attachment for removably connecting said negative pressure generator to said faucet;
- said mounting attachment including,
- a first annular seal interposed between said mounting attachment and said faucet,
- a second annular seal interposed between said mounting attachment and said negative pressure generator,
- an upper portion removably fixed to said faucet by a plurality of radially extending set screws, and
- a lower portion removably fitted into said negative pressure generator,
- said lower portion being formed with an annular projection;
- and
- a releasable lock mechanism positioned between aid mounting attachment and said negative pressure generator to engage with and disengage from said annular projection.
12 more elements
A vacuum skin cleaner comprising:
- a negative pressure generator having an internal water passage and a suction passage;
- said water passage being connected at one end to a tap water faucet and having a discharge opening at the other end;
- said water passage having a cross-sectionally reduced intermediate portion;
- said suction passage communicating with said intermediate portion;
- and
- an applicator cap communicating with said suction passage and having an opening mouth for contact with the human skin;
- said water passage of said negative pressure generator is provided, at a position upstream from said cross-sectionally reduced intermediate portion, with a flow rectifying member means for imparting a whirling motion to water.
4 more elements
Dependencies are inferred from the claim text.