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Library ／ Bath & Sanitary ／ Pump, dispenser and corresponding process for dispensing a liquid or viscous mass
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Pump, dispenser and corresponding process for dispensing a liquid or viscous mass

US-7628294-B2

Abstract

To improve sealing efficiency in a pump withdrawing liquid from a supply container ( 1 ) and to minimize the liquid residue in said container, the pump is designed to include a cylinder ( 5 ), a hollow plunger ( 6 ) configured within said cylinder, an external accessory pipe ( 7 ) configured at least partly within said plunger, and a feed pipe ( 8 ) configured at least partly within said external, accessory pipe, the internal feed pipe ( 8 ) being displaceable relative to the external accessory pipe ( 7 ) which in turn is displaceable relative to the hollow plunger ( 6 ).

Patent figures（8）

US-7628294-B2 figure 1
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US-7628294-B2 figure 2
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US-7628294-B2 figure 3
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US-7628294-B2 figure 4
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US-7628294-B2 figure 5
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US-7628294-B2 figure 6
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US-7628294-B2 figure 7
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US-7628294-B2 figure 8
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Source status & events

No source-status events are recorded.

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