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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B05B11/0005
Components or details
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B05B11/0039
associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
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B05B11/0044
compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
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B05B11/00444
with provision for filtering or cleaning the air flow drawn into the container
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