Road structure – process – or apparatus – Apparatus – Rotating drum – roller or tire
Reexamination Certificate
1999-02-19
2001-03-27
Lillis, Eileen D. (Department: 3673)
Road structure, process, or apparatus
Apparatus
Rotating drum, roller or tire
C180S020000
Reexamination Certificate
active
06206611
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This application claims priority from PCT/EP97/06597, filed Nov. 26 1997.
The invention relates to a device for cleaning the tire of a soil tamping roller of adhering dirt and for spraying the tire with water, this device being provided in a known way with a stripping device which extends essentially perpendicularly to the direction of rotation of the tire over the tire region to be cleaned and which is fastened to a tire carrier in a fixed position in relation to the tire, with a nozzle arrangement which is fastened to the tire carrier in a fixed position in relation to the tire, and with nozzles, arranged at a distance from one another and approximately parallel to the stripping device, for spraying water onto the tire behind the stripper in the tire running direction.
2. Description of the Related Art
In the known devices of this type, the stripping device and the nozzle arrangement are provided as components which are separate from one another and which each have to be fastened independently to the tire carrier.
OBJECT AND SUMMARY OF THE INVENTION
The object of this invention is to provide a device for cleaning dirt and spraying a tire of a soil tamping rollers, which, as regards both its design and its mounting on the tire carrier, is improved, as compared with the known devices, in such a way that it requires a lower outlay in terms of manufacture and assembly.
According to the invention, the above object is achieved in that the stripping device and the nozzle arrangement are combined to form a structural unit and the latter is formed from a trough-like stripper holder, which extends continuously over the width of the tire region to the cleaned, and from a stripper, which is arranged in a stripper holder and which projects toward the tire from the stripper holder over the length of the latter, there being formed in the stripper a cavity which is sealed off relative to the stripper holder and extends over a substantial part of the length of the latter and into which a water inflow line opens and from which the nozzles branch off through the wall of the stripper holder.
The device according to the invention consists of only a few components which are each independently shaped in a simple way and which can easily be connected to one another to form the desired structural unit, and said device can also be mounted on a tire carrier in a very simple way because all its parts are combined to form a single structural unit.
REFERENCES:
patent: 1509684 (1924-09-01), Monroe
patent: 1722907 (1929-07-01), Liddle
patent: 3085484 (1963-04-01), McAdams
patent: 3675546 (1972-07-01), Smith
patent: 3802339 (1974-04-01), Andresson et al.
patent: 4040762 (1977-08-01), Nilsson
patent: 4378052 (1983-03-01), Anderson
patent: 4421435 (1983-12-01), Zemke et al.
patent: 5222828 (1993-06-01), Magalski
patent: 5778482 (1998-07-01), Sbrigato
patent: WO 93/09296 (1993-05-01), None
patent: 211079 (1924-02-01), None
Addie Raymond
Boyle Fredrickson Newholm Stein & Gratz S.C.
Lillis Eileen D.
Wacker-Werke GmbH & Co. KG
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