Fluid sprinkling – spraying – and diffusing – With cleaning means – drip collecting – waste disposal or soil... – Solid scraping or clearing member
Patent
1995-12-29
1998-03-24
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
With cleaning means, drip collecting, waste disposal or soil...
Solid scraping or clearing member
239447, 239553, 239596, 239602, B05B 1502
Patent
active
057303622
ABSTRACT:
The shower base (1) of a shower head consists of a rigid perforated plate (1a), which has a number of holes (4, 5). Set into each of the holes (4, 5) in the perforated plate (1a) is a hose-type jet insert (6, 8) made of a flexible material which, owing to its material properties, can be flexed automatically to dislodge limescale deposits. The outer surface of the rigid perforated plate (1a), i.e. the surface of the shower base (1) which is visible to the user from underneath, is essentially completely covered by an impact resistant plate (1b) which is also made of a soft, flexible material. Of course the impact protection plate (1b) has collar-shaped lugs (12) going through it which are preformed on the perforated plate (1a) and which surround at least those hose-type jet inserts (8) which produce the high-power jets owing to their relatively narrow jet channel (9). The collar-shaped lugs (12), which are made of a rigid material, limit the volume of the jet insert (8), which, when flexed, contributes to the elastic deformation to a specific value, which would not be the case if the jet inserts (8) in question were preformed in one piece on the impact protection plate (1b). The latter configuration is, however, possible for those hose-type jet inserts (6), which produce the soft jets owing to their relatively wide jet channel (7).
REFERENCES:
patent: 2402741 (1946-06-01), Draviner
patent: 4629124 (1986-12-01), Gruber
patent: 5172862 (1992-12-01), Heimann et al.
patent: 5228625 (1993-07-01), Grassberger
patent: 5405089 (1995-04-01), Heimann et al.
Douglas Lisa Ann
Hansa Metallwerke-AG
Kashnikow Andres
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