US3896734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for continuously laying track
Assignee: Franz Plasser Bahnbaumaschinen Industrie GmbH
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Filing: 1971-02-08
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Granted: 1975-07-29
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Expires: 1991-02-08
Abstract
Abstract In laying track rails from a continuously moving train which supports continuous lengths of butt-welded rails and whence the rails are placed on successive ties as the train moves forward, successive rail sections are subjected to heating or cooling while they are placed on the ties and before they are secured thereto, to impart to these rail sections immediately adjacent the point at which they are secured a temperature approximately equal to the median or average yearly ambient temperature.
Inventors
- 👤 Franz Plasser
- 👤 Josef Theuter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:36
CPC Classifications
E; E01; E01B; E01B31/00; E01B31/02; E01B31/18; E01B29/00; E01B29/16; E01B11/00; E01B11/44; E01B11/46; E01B27/00; E01B27/12; E01B27/13; E01B27/16; E01B29/05; E01B29/42; E01B29/44
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
98 words
In apparatus for continuously laying successive sections of continuous lengths of track rails, comprising means for placing said successive sections on successive ties and for securing each of said rail sections to said ties, the improvement of mobile means subjecting the successive rail sections to temperature conditioning, said temperature conditioning means preceding the means for placing and securing the rail sections to the ties, and being spaced from the point at which the track rail sections are placed on, and secured to, the ties a distance sufficient to maintain substantially uniformity of the predetermined temperature at said point.
Claim 2
Dependent Claim
98 words
In apparatus for continuously laying successive sections of continuous lengths of track rails, comprising means for placing said successive sections on successive ties and for securing each of said rail sections to said ties, the improvement of mobile means subjecting the successive rail sections to temperature conditioning, said temperature conditioning means preceding the means for placing and securing the rail sections to the ties, and being spaced from the point at which the track rail sections are placed on, and secured to, the ties a distance sufficient to maintain substantially uniformity of the predetermined temperature at said point.
Claim 3
Dependent Claim
43 words
In the apparatus of claim 1, said means for placing the successive track rail sections on successive ties and for securing them thereto being mounted for mobility on a right of way whereon the continuous lengths of trail rails are to be laid.
Claim 4
Dependent Claim
43 words
In the apparatus of claim 2, further comprising a train including a car supporting the continuous lengths of rails and whence the successive track rail sections are laid as the train moves forwardly, and said temperature conditioning means eing mounted on said car.
Claim 5
Dependent Claim
52 words
In the apparatus of claim 3, the temperature conditioning means being spaced from the point at which the track rail sections are placed on, and secured to, the ties a distance sufficient not to transmit any form change of the track rail sections due to the temperature conditioning to the said point.
Claim 6
Dependent Claim
27 words
In the apparatus of claim 1, said temperature conditioning means including a series of temperature conditioners spaced from each other along said continuous lengths of track rails.
Claim 7
Dependent Claim
22 words
In the apparatus of claim 1, ballast supply and tamping means succeeding the means for securing the rail sections to the ties.
Claim 8
Dependent Claim
15 words
In the apparatus of claim 1, temperature control means associated with the temperature conditioning means.
Claim 9
Dependent Claim
26 words
In the apparatus of claim 1, said temperature conditioning means including means for subjecting the track rail sections to a stream of a temperature conditioning fluid.
Claim 10
Dependent Claim
18 words
In the apparatus of claim 1, said temperature conditioning means including means for electrically heating the rail sections.
Claim 11
Dependent Claim
42 words
In the apparatus of claim 9, the electric heating means including an electric heating circuit and terminals in gliding contact with successive ones of said track rail sections, said rail sections serving as a resistance element in the electric resistance heating thereof.
Claim 12
Dependent Claim
89 words
In apparatus for continuously laying successive sections of continuous lengths of track rails, comprising means for placing said successive sections on successive ties and for securing each of said rail sections to said ties, the improvement of mobile means subjecting the successive rail sections to temperature conditioning, said temperature conditioning means preceding the means for placing and securing the rails sections to the ties, and means for butt-welding adjacent ends of rail sections to produce the continuous lengths of track rails, said butt-welding means preceding the temperature conditioning means.
Claim 13
Dependent Claim
89 words
In apparatus for continuously laying successive sections of continuous lengths of track rails, comprising means for placing said successive sections on successive ties and for securing each of said rail sections to said ties, the improvement of mobile means subjecting the successive rail sections to temperature conditioning, said temperature conditioning means preceding the means for placing and securing the rails sections to the ties, and means for butt-welding adjacent ends of rail sections to produce the continuous lengths of track rails, said butt-welding means preceding the temperature conditioning means.
Claim 14
Dependent Claim
16 words
In the apparatus of claim 11, means for preheating the rail sections preceding the butt-welding means.
Claim 15
Dependent Claim
85 words
In apparatus for continuously laying successive sections of continuous lengths of track rails, comprising means for placing said successive sections on successive ties and for securing each of said rail sections to said ties, the improvement of mobile means subjecting the successive rail sections to temperature conditioning, said temperature conditioning means preceding the means for placing and securing the rail sections to the ties, and the temperature conditioning means defining a temperature conditioning chamber suRrounding the track rail sections before they are laid and secured.
Claim 16
Dependent Claim
85 words
In apparatus for continuously laying successive sections of continuous lengths of track rails, comprising means for placing said successive sections on successive ties and for securing each of said rail sections to said ties, the improvement of mobile means subjecting the successive rail sections to temperature conditioning, said temperature conditioning means preceding the means for placing and securing the rail sections to the ties, and the temperature conditioning means defining a temperature conditioning chamber suRrounding the track rail sections before they are laid and secured.
References Cited (Backward Citations)
US3330219A
Cited
US3451470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-28 | 1979-01-27 | 1979-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-28 | 1983-01-27 | 1983-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-28 | 1987-01-27 | 1987-07-29 | $7700.00 | Window Closed / Lapsed |