Hand-operated pump for bottle or container - has membrane in place of piston and cylinder to prevent escape of vapours

The hand-operated pump is designed to be inserted in the neck of a bottle or a container. It incorporates a membrane in place of the normal piston and cylinder. The membrane (2) is operated via a pressure plate (3) by a lever (4) which is connected to a leaf spring (8). The pump also has a pressure...

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Bibliographic Details
Main Author SCHNEIDER, FRIEDHELM, 5226 REICHSHOF, DE
Format Patent
LanguageEnglish
German
Published 24.06.1993
Subjects
APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
ATOMISING APPARATUS
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
NOZZLES
PERFORMING OPERATIONS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
SPRAYING APPARATUS
SPRAYING OR ATOMISING IN GENERAL
TRANSPORTING
WEAPONS
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Summary:The hand-operated pump is designed to be inserted in the neck of a bottle or a container. It incorporates a membrane in place of the normal piston and cylinder. The membrane (2) is operated via a pressure plate (3) by a lever (4) which is connected to a leaf spring (8). The pump also has a pressure valve made from a U-shaped leaf spring (15) and a cone (16). USE/ADVANTAGE - Pump which prevents gases from easily vaporisable liquids from escaping into the environment when filling a bottle or container.
Bibliography:Application Number: DE19914141825