Patent US4223495A successfully refreshed from Google Patents.
US4223495A
Expired / Lapsed
US
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Prestressed steel support structure and method of erecting the same
Assignee: Individual
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Filing: 1978-10-13
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Granted: 1980-09-23
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Expires: 1998-10-13
Abstract
Abstract A prestressed steel support structure and method of erecting the same having bearing supports and containing at least one tension element having at least one hollow profile member extending in a catenary configuration between support locations and within which there is arranged at least one prestressing cable. The hollow profile member is provided with a filler and the prestressing cable forms a connection with the hollow profile member by means of such filler.
Inventors
- 👤 Emil Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:07
CPC Classifications
E; E01; E01D; E01D11/00; E01D11/02; E01D19/00; E01D19/16; E01D6/00; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/10; E04C3/29; E04C3/293; E04C3/294; E04C2003/0404; E04C2003/0408; E04C2003/0413; E04C2003/0426; E04C2003/0434; E04C2003/0443; E04C2003/046; E04C2003/0486; E04C2003/0491
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
113 words
An arched load-bearing structure comprising arched elements (16) and suspension elements (15) oppositely curved in a catenary shape and arranged adjacent one another, horizontal carriers (17) supporting said elements (16 and 15), at least one hollow profile member (22) extending in each suspension element (15), at least one prestressing cable (11) extending internally through each hollow profile member (22), said cable being secured to the hollow profile member by a filler to form a tension element (21), said tension element (21) extending in a catenary shape in the suspension elements (15) and over the horizontal carriers (17) into the arched elements (16), and said cables (11) being anchored in the arched elements (16).
Claim 2
Dependent Claim
113 words
An arched load-bearing structure comprising arched elements (16) and suspension elements (15) oppositely curved in a catenary shape and arranged adjacent one another, horizontal carriers (17) supporting said elements (16 and 15), at least one hollow profile member (22) extending in each suspension element (15), at least one prestressing cable (11) extending internally through each hollow profile member (22), said cable being secured to the hollow profile member by a filler to form a tension element (21), said tension element (21) extending in a catenary shape in the suspension elements (15) and over the horizontal carriers (17) into the arched elements (16), and said cables (11) being anchored in the arched elements (16).
Claim 3
Dependent Claim
50 words
The arched load-bearing structure as claimed in claim 1, further comprising fabricated elements (23) which bear on the tension elements (21), reinforcement rods (23b) for said fabricated elements extending substantially in the direction of the tension elements (21), and transverse joints (25) connecting said reinforcement rods (23b) to each other.
Claim 4
Dependent Claim
59 words
The arched load bearing structure as claimed in claim 2, further comprising generally U-shaped profile elements (24) extending along the transverse joints (25) of the fabricated elements (23) and secured to the hollow steel profile elements (22) of the tension elements (21), said U-shaped profile elements (24) serving as form elements for casting the transverse joints (25) in concrete.
Claim 5
Independent Claim
81 words
A method of erecting an arched load-bearing structure, which comprises: drawing prestressed cables into hollow profile members to form tension elements; connecting the hollow profile members by means of U-shaped profile elements; lifting the construction; anchoring the prestressing cables; laying fabricated elements which bear on the tension elements; connecting reinforcement rods to one another at the bearing areas of the fabricated elements, and pressing out the hollow profile elements with injection cement thus securing the cables to the hollow profile members.
Claim 6
Independent Claim
81 words
A method of erecting an arched load-bearing structure, which comprises: drawing prestressed cables into hollow profile members to form tension elements; connecting the hollow profile members by means of U-shaped profile elements; lifting the construction; anchoring the prestressing cables; laying fabricated elements which bear on the tension elements; connecting reinforcement rods to one another at the bearing areas of the fabricated elements, and pressing out the hollow profile elements with injection cement thus securing the cables to the hollow profile members.
References Cited (Backward Citations)
DE11335C
Cited
DE901423C
Cited
US3088246A
Cited
DE1941978U
Cited
US3385015A
Cited
US3561178A
Cited
US4144686A
Cited
DE2156017A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-09-23 | 1984-03-24 | 1984-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-09-23 | 1988-03-24 | 1988-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-09-23 | 1992-03-24 | 1992-09-23 | $7700.00 | Window Closed / Lapsed |