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US 4,227,316 AGranted
Discharge duct for apparatuses for extracting water from carpets
AssigneeWerner & Mertz GmbH
InventorHelmut Schneider
Life of this patent
Estimating the term…
Abstract
A liquid-pickup apparatus for carpetry, e.g. for the removal of liquid from the shampooing of a carpet, comprises a slot-shaped compressed air outlet adjacent a discharge duct with an entry slot. The flattened cross-section duct rises at an angle to the horizontal and is subdivided internally into a plurality of channels of substantially the same cross section as the slot and having rounded bases.
Claims11
An apparatus for extracting liquid from a wetted carpet by blowing gas through the carpet, which comprises
- a gas duct for blowing gas through the carpet and which has a gas exit slot at the lower end thereof;
- a discharge duct for discharge of a gas/liquid mixture from the carpet and having at a lower end an entry slot adjacent said gas exit slot and an upper end communicating with a liquid container, the discharge duct having an overall cross-section substantially the same as the cross-section of the entry slot;
- means subdividing said discharge duct into a plurality of separate upwardly extending channels, each of said channels having a base which is curved in cross-section, the channels being inclined at an angle not greater than 60.degree. with respect to the horizontal.
Dependencies are inferred from the claim text.