US3845515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-progressing construction system
Assignee: Individual
•
Filing: 1972-08-14
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Granted: 1974-11-05
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Expires: 1992-08-14
Abstract
Abstract A system for the self-advancing construction of a conduit line, preferably one to receive a vehicular transportation. Construction proceeds without damage to the peripheral environs and without the necessity for additional trackway, roads or the like for material support. Materials are transported along an existing line to a self-driven assembly structure adjacent the forward end of the line. The assembly structure erects further line and then moves along to the new forward end for still further erection.
Inventors
- 👤 E Gelhard
- 👤 H Gunkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:58
CPC Classifications
F; F16; F16L; F16L1/00; F16L1/024; F16L1/0243; F16L1/0246; F16L1/026; F16L1/06
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
195 words
A method for the self-progressing construction of a pipe railroad comprising the steps of: a. providing an initial section of the pipe railroad, said railroad having a plurality of interconnected supports with pipe suspended therefrom, said pipe containing a vehicle trackway therein to form the pipe railroad and exterior vehicle trackways along opposite sides thereof; b. transporting forward new pipe sections having construction supplies loaded therein from a supply depot by a rail vehicle movable along one of said exterior trackways; c. providing a self-advancing assembly structure movable along and adjacent the forward end of said initial section of the railroad, said assembly structure having a rear receiving section and a forward erecting section; d. transferring said loaded pipe from the rail vehicle to the receiving section of said assembly structure and unloading said construction materials therefrom; e. utilizing said assembly structure and supplies to erect supports in advance of the initial section; f. suspending said now empty pipe from said erected supports and securing the pipe end to end to the initial section of the pipe railroad; and g. returning the rail vehicle along the other of said exterior trackways to the supply depot.
Claim 2
Independent Claim
195 words
A method for the self-progressing construction of a pipe railroad comprising the steps of: a. providing an initial section of the pipe railroad, said railroad having a plurality of interconnected supports with pipe suspended therefrom, said pipe containing a vehicle trackway therein to form the pipe railroad and exterior vehicle trackways along opposite sides thereof; b. transporting forward new pipe sections having construction supplies loaded therein from a supply depot by a rail vehicle movable along one of said exterior trackways; c. providing a self-advancing assembly structure movable along and adjacent the forward end of said initial section of the railroad, said assembly structure having a rear receiving section and a forward erecting section; d. transferring said loaded pipe from the rail vehicle to the receiving section of said assembly structure and unloading said construction materials therefrom; e. utilizing said assembly structure and supplies to erect supports in advance of the initial section; f. suspending said now empty pipe from said erected supports and securing the pipe end to end to the initial section of the pipe railroad; and g. returning the rail vehicle along the other of said exterior trackways to the supply depot.
Claim 3
Dependent Claim
37 words
The method as defined in claim 1, comprising further: h. moving said assembly structure adjacent the forward end of said further section of railroad; and i. continuing to erect said further railroad section along an intended itinerary.
Claim 4
Dependent Claim
47 words
The method as defined in claim 1, wherein said supports are erected by drilling bore holes, filling said bore holes with a hardenable composition to produce foundations, placing members on said foundations, connecting said members to form said supports, and interconnecting said supports with a cable system.
Claim 5
Dependent Claim
26 words
The method as defined in claim 1, wherein all materials and services required for self-progressing construction are supplied along the previously constructed length of said railroad.
Claim 6
Dependent Claim
29 words
The method as defined in claim 1, wherein at least two lengths of pipe are suspended at each section, one length of pipe being secured atop said other length.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |