Static structures (e.g. – buildings) – Composite prefabricated panel including adjunctive means – Sandwich or hollow with sheet-like facing members
Patent
1985-10-21
1987-04-14
Friedman, Carl D.
Static structures (e.g., buildings)
Composite prefabricated panel including adjunctive means
Sandwich or hollow with sheet-like facing members
52630, 296181, 296182, 296183, E04C 232
Patent
active
046568093
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
This invention relates to profiled sheet material and to side walls and floors or decks formed therefrom, especially but not exclusively, for use in the manufacture of high-sided lorries, trailers and containers.
Profiled sides of lorries, trailers and containers are well known, formed of sheet steel which is corrugated (vertically) for strength, but one disadvantage of these sheets is their high resistance to wind which results in increased fuel consumption. In addition, operators of such vehicles use the sides for promoting their name etc. and it is difficult to paint on or to read the wording on corrugated sides.
An object of the invention is to provide a profiled side which will present a substantially smooth outer surface.
Another object of the invention is to provide a floor or deck of shallow depth but relatively high strength.
SUMMARY OF THE INVENTION
According to one aspect of the invention there is provided a profiled sheet material having a plurality of parallel deformations which in cross section are substantially triangular with the base of each deformation spaced from the body of the sheet, the apex of each deformation being formed by closely abutting curved faces of the sheet material where the body of the sheet material is bent into the deformation.
Preferably, a strip of timber whose longitudinal faces are tapered is located between adjacent pairs of deformations with the tapered faces abutting the respective sides of the deformations.
According to another aspect of the invention there is provided a method of forming a profiled sheet material comprising the steps of passing the sheet material into a press to form a series of U-shaped channels therein one at a time and forming a series of indents along the length of the web of said formation causing the U-formation to be deformed by pressing the tops of both limbs inwardly towards each other to form a triangular formation and thereafter causing the top of the limb on one side to be pushed beyond the meeting line with the other limb causing consequential movement thereof and subsequently causing the second limb to be similarly moved against the first limb thereby to form triangular strengthening members with the apex of each formed by the tops of both limbs closely abutting each other.
Preferably, the web of each U-formation is concaved towards the limbs.
Embodiments of the present invention will now be described by way of example, with reference to the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is an elevation of a side wall of a high sided vehicle formed of profiled sheet material according to the invention.
FIG. 2 is a plan view to an enlarged scale on the line II--II of FIG. 1 illustrating a section of side wall;
FIGS. 3 to 6 illustrate the operational sequence for deforming the sheet material;
FIG. 7 is a plan view of a section of a floor or deck formed of profiled sheet material reinforced with boarding;
FIG. 8 is a fragmentary cross section to an enlarged scale of the floor/deck on the line VI--VI of FIG. 7 and
FIG. 9 is a fragmentary cross section of the floor/deck illustrating details.
DETAILED DESCRIPTION OF THE INVENTION
Referring firstly to FIGS. 1 to 6 sheets of steel plate 10 are provided with a plurality of parallel deformations 11 which in cross section are substantially triangular with the base 12 of each deformation spaced from the body 13 of the sheet. The apex 14 of each deformation is formed by closely abutting curved faces where the body of the sheet is bent into the deformation. The sides 16 of the plate parallel to the depressions are bent through 90.degree. to form faces by which adjacent sheets can be secured together by weld or rivet 17.
Thus, a side wall 20 can be formed of a plurality of these sheets 10 to provide an outer face 21 which is substantially flat apart from a series of parallel shallow grooves 22 and an inner face 23 which has a series of parallel strengthening ribs 11. When paint is applied to the outer face the shallow grooves 22 are made ev
REFERENCES:
patent: 2900926 (1959-08-01), Neuhart
patent: 3028192 (1962-04-01), Jewell
patent: 3185112 (1965-05-01), Johnston
patent: 3200549 (1965-08-01), Cripe
patent: 3496691 (1970-02-01), Seaburg et al.
patent: 3583123 (1971-06-01), Helmgreen et al.
patent: 3715846 (1973-02-01), Sullhofer
European Patent Office Search Report (Jul. 25, 1985).
Friedman Carl D.
Wilson Double Deck Trailers Limited
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