Fluent material handling – with receiver or receiver coacting mea – Combined
Patent
1994-01-25
1996-02-20
Jacyna, J. Casimer
Fluent material handling, with receiver or receiver coacting mea
Combined
141 86, 184106, 238 1, 238 2, 137312, 220573, F16N 3100, E01B 1900, B61K 1100
Patent
active
054921589
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a system for collecting organic material, such as oil, etc., underneath rail vehicles, in particular railway locomotives, the system having a plurality of pans which are combined with one another in the manner of a modular system, with neighbouring pans being fastened to one another by means of clamps or sections that cover neighbouring edges of the pans.
2. The Prior Art
Systems that have so far been used for collecting liquids underneath rail vehicles are formed by one-part pans which are, for instance, positioned in the station area at places where a locomotive will later be stopped in order to collect oil, etc. which is dripping from the locomotive.
The pans of the prior art entail, in particular, the risk that railway workers may slip on the oil contained in the pan. Moreover, it may happen when used pans are transported away that oil will be spilled, which is regarded as a disadvantage under environmental aspects. Monitoring and emptying of the pans sometimes pose great problems on extensive railway ground.
SUMMARY OF THE INVENTION
It is therefore the object of the present invention to provide a system which is easy to handle and used for collecting organic material, such as oil, etc. underneath rail vehicles, in particular railway locomotives, in which any risk of slippage is eliminated and an ecologically acceptable disposal is ensured.
The above object is attained according to the invention with a system of the above-mentioned type which is characterized in that each pan has provided therein an absorption material in the form of a first absorptive nonwoven fabric which is covered by at least one second absorptive nonwoven fabric at least partly, the latter lapping over the edge of the pan, and that a net is stretched over the respectively uppermost layer of absorptive nonwoven fabric.
The absorption material absorbs any kind of liquid, i.e. especially oil leaking from a rail vehicle, so that there will no longer be any risk of slippage for railway workers. Furthermore, spilling of oil or the like is excluded when the pans are transported away after their use. Hence, there will no longer be any risk of pollution.
Oil collecting pans that have so far been known had to keep a certain distance along their sides from the screw connections of the rails on the sleepers and from the sleepers themselves to allow for dimensional tolerances of the screw connections and also for the distances of sleepers from one another.
Nevertheless, in order to be able to cover the whole area underneath rail vehicles entirely, the invention provides for the combination of a plurality of pans with one another in the manner of a modular system.
To prevent gaps which are caused by an excessive spacing between adjacent pans when the area below the rail vehicles is covered, the invention provides for neighbouring pans that are fastened to each other by clamps or sections gripping over neighbouring edges of the pans.
Furthermore, it is possible with the modular system to replace or renew only individual elements in response to the degree of soiling while less soiled elements may remain on the spot.
To prevent water from penetrating into the edge portion of the pan, the invention suggests that each of the pans should have provided therein a first absorptive nonwoven fabric which is at least partly covered by at least one second absorptive nonwoven fabric, the latter lapping over the edge of the pan.
Furthermore, in order to reliably cover possibly remaining interspaces between pans, at least one of the second absorptive nonwoven fabrics may lap over neighbouring edges of neighbouring pans according to the invention.
To cover the area of the screw connections of the rails on the sleepers, tunnel or bridgelike pans are preferably provided according to the invention.
According to the invention there may also be provided roofs (141 to 145, 151 to 156) for covering the screw connections of the rails (12, 14) on sleepers (22, 24, 26), the pans (3
REFERENCES:
patent: 3141522 (1964-07-01), Fitzpatrick
patent: 3722626 (1973-03-01), Stack
patent: 4010896 (1977-03-01), Stockton
patent: 4484661 (1984-11-01), Evenson
patent: 4651887 (1987-03-01), Patrick
patent: 4875537 (1989-10-01), Garnatz et al.
patent: 5199457 (1993-04-01), Miller
patent: 5224622 (1993-07-01), Graham et al.
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