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US3871149A Expired / Lapsed US ⏱️ 0.0 years remaining

Stiffening means for structural elements

Assignee: Individual
•
Filing: 1973-10-03
•
Granted: 1975-03-18
•
Expires: 1993-10-03
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Abstract

Abstract Stiffening means for structural elements is formed by helically wound wires. These wires are wound in several different paths with several wires in each path. Each path follows the contour of a section having straight sides, and the wire portions in said sides constitute straight braces. The sections having the straight sides are arranged in such an adjacent relationship that adjoining sides will engage each other, the straight wires in adjoining sides being interconnected at coincident points.

Inventors

  • 👤 Hans Christer Georgii

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 18:21
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/01; E04C5/06; E04C5/0636; B; B21; B21F; B21F17/00

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 82 words
Stiffening means for structural elements, said means being formed by helically wound wires, wherein the wires are wound in several different paths with several wires in each path, each path following the contour of a section having straight sides and the wire portions in said sides constituting straight braces, and wherein the sections having the straight sides are arranged in such an adjacent relationship that adjoining sides will engage each other, the straight wires in adjoining sides being interconnected at coincident points.
Claim 2
Dependent Claim 82 words
Stiffening means for structural elements, said means being formed by helically wound wires, wherein the wires are wound in several different paths with several wires in each path, each path following the contour of a section having straight sides and the wire portions in said sides constituting straight braces, and wherein the sections having the straight sides are arranged in such an adjacent relationship that adjoining sides will engage each other, the straight wires in adjoining sides being interconnected at coincident points.
Claim 3
Dependent Claim 52 words
Stiffening means as claimed in claim 1, wherein the sections having the straight sides are arranged in such an adjacent relationship that the straight sides between the adjoining interconnected sides infinitely merge into each other and together constitute the support of a flat structural element connected to the wires in said sides.
Claim 4
Dependent Claim 38 words
Stiffening means as claimed in claim 2, wherein the straight sides between the adjoining interconnected sides lie in one and the same plane and together carry a planar flat structural element connected to the wires in said sides.
Claim 5
Dependent Claim 36 words
Stiffening means as claimed in claim 2, wherein the straight sides between the adjoining interconnected sides make angles with each other and collectively support a curved flat structural element connected to the wires in said sides.
Claim 6
Dependent Claim 56 words
Stiffening means as claimed in claim 2, wherein the sections having the straight sides are arranged in such an adjacent relationship that those straight sides which are opposed to the straight sides between the adjoining interconnected sides, infinitely merge into each other and collectively carry another flat structural element connected to the wires in said sides.
Claim 7
Dependent Claim 64 words
Stiffening means as claimed in claim 2, wherein the sections having the straight sides are arranged in such an adjacent relationship that those straight sides which are opposed to the straight sides between the adjoining interconnected sides, infinitely merge into each other, longitudinal structural elements formed by rods or like means being connected to the wires where said sides infinitely merge into each other.
Claim 8
Dependent Claim 84 words
Stiffening means as claimed in claim 1, wherein the sections having the straight sides together entirely fill out an outer contour having straight sides, said sections collectively stiffening a structure comprising a plurality of helically wound wires which are wound exclusively along said outer contour having straight sides and constitute straight braces at said sides, and wherein the wires wound along the outer contour are wound in a direction opposite to the other helically wound wires to which they are connected at coincident points.
Claim 9
Dependent Claim 35 words
Stiffening means as claimed in claim 7, wherein longitudinal structural elements consisting of rods or like means are provided at least at the corners of the outer contour, where they are connected to the wires.
Claim 10
Dependent Claim 33 words
Stiffening means as claimed in claim 8, wherein longitudinal structural elements consisting of rods or like means are arranged at common corners of such sections as together entirely fill out the outer contour.
Claim 11
Dependent Claim 21 words
Stiffening means as claimed in claim 1, wherein the sections having straight sides together entirely fill out a rectangular outer contour.
Claim 12
Dependent Claim 24 words
Stiffening means as claimed in claim 10, wherein the sections having straight sides and together entirely filling out the rectangular outer contour, are rectangular.
Claim 13
Dependent Claim 24 words
Stiffening means as claimed in claim 10, wherein the sections having straight sides and together entirely filling out the rectangular outer contour, are triangular.
Claim 14
Dependent Claim 34 words
Stiffening means as claimed in claim 10, wherein at least one of the sections having straight sides and together entirely filling out the rectangular outer contour, is rectangular while the other sections are triangular.
Claim 15
Dependent Claim 23 words
Stiffening means as claimed in claim 1, wherein at least some of the sections having straight sides are filled out with insulating material.

References Cited (Backward Citations)

US1555989A Cited
US1523811A Cited
US2421743A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-03-17 1978-09-16 1979-03-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-03-17 1982-09-16 1983-03-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-03-17 1986-09-16 1987-03-18 $7700.00 Window Closed / Lapsed

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