Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B05
SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
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B05B
SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
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11/00
Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
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B05B11/01
characterised by the means producing the flow
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B05B11/10
Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
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B05B11/1021
having an outlet valve which is a gate valve
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B05B11/1022
actuated by pressure
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