Patent US3721052A successfully refreshed from Google Patents.
US3721052A
Expired / Lapsed
US
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Multi-storey building comprising unit compartments
Assignee: Houilleres du Bassin du Nord et du Pas de Calais
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Filing: 1970-05-04
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Granted: 1973-03-20
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Expires: 1990-05-04
Abstract
Abstract Multi-storey buildings comprising unit compartments which can be completely constructed in the factory and easily transported, comprising ceiling and floor slabs and side walls made of reinforced concrete, characterized in that: THE COMPARTMENTS HAVE SIDE WALLS WHICH ARE SHELLS OF REINFORCED CONCRETE BETWEEN 3 AND 8 CM THICK AND PREFERABLY BETWEEN 4 AND 6 CM THICK; THE SIDE WALLS ARE BOLTED TO EACH OTHER AND TO THE CEILING AND FLOOR SLABS; AND THE COMPARTMENTS OF THE BOTTOM STOREY COMPRISE SUITABLY DISPOSED BREASTSUMMERS OF SUITABLE DIMENSIONS WHICH BEAR AT LEAST ONE STOREY OF COMPARTMENTS OF THE SAME KIND.
Inventors
- 👤 C Boel
- 👤 F Pot
- 👤 C Sachot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:48
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/044; E; E04; E04B; E04B1/00; E04B1/348; E04B1/34815; E04B1/34823
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
106 words
In multi-storey buildings comprising unit compartments which can be completely constructed in the factory and easily transported, comprising ceiling and floor slabs and side walls made of reinforced concrete, the improvement which comprises that: the compartments have side walls which are shells of reinforced concrete between 3 and 8 cm thick; the side walls are bolted to each other and to the ceiling and floor slabs; and the compartments of the bottom storey comprise suitably disposed breastsummers of suitable dimensions which bear at least one storey of compartments of the same kind, said breastsummers being concrete sections separate from said side walls, ceiling and floor slabs.
Claim 2
Dependent Claim
106 words
In multi-storey buildings comprising unit compartments which can be completely constructed in the factory and easily transported, comprising ceiling and floor slabs and side walls made of reinforced concrete, the improvement which comprises that: the compartments have side walls which are shells of reinforced concrete between 3 and 8 cm thick; the side walls are bolted to each other and to the ceiling and floor slabs; and the compartments of the bottom storey comprise suitably disposed breastsummers of suitable dimensions which bear at least one storey of compartments of the same kind, said breastsummers being concrete sections separate from said side walls, ceiling and floor slabs.
Claim 3
Dependent Claim
15 words
The improvement of claim 1 wherein the shell thickness is between 4 and 6 cm.
Claim 4
Dependent Claim
21 words
The improvement of claim 1 wherein the breastsummers have bearing surfaces in the neighborhood of the vertical edges of the compartments.
Claim 5
Dependent Claim
41 words
The improvement of claim 3 wherein the bearing surfaces of the breastsummers are disposed level with the side walls and the edge of the bearing surfaces of the breastsummers is at least 15 cm from the vertical edges of the compartments.
Claim 6
Dependent Claim
31 words
The improvement of claim 1 wherein each compartment is borne by at least three breastsummers which each have bearing surfaces of between 100 and 500 cm2 level with the side walls.
Claim 7
Dependent Claim
30 words
The improvement of claim 1, wherein the surfaces are locally coated with a plastic substance which can harden in situ in order to improve the contact between the bearing surfaces.
Claim 8
Dependent Claim
18 words
The improvement of claim 6 wherein the plastic substance used is a thermosetting plastics, preferably a filled polyester.
Claim 9
Dependent Claim
26 words
The improvement of claim 1 wherein the surfaces of the different compartments in the space inside the buildings are each separated by a continuous empty space.
Claim 10
Dependent Claim
56 words
The improvement of claim 1 wherein the electric fittings for each compartment are assembled outside the compartment in the factory, by means of a bunch of electric conductors each of given length, all the conductors being connected to a junction box which in turn can be secured on a wall or slab of the corresponding compartment.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-19 | 1976-09-18 | 1977-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-19 | 1980-09-18 | 1981-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-19 | 1984-09-18 | 1985-03-20 | $7700.00 | Window Closed / Lapsed |