US179114A - Improvement in compound girders - Google Patents

Improvement in compound girders Download PDF

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Publication number
US179114A
US179114A US179114DA US179114A US 179114 A US179114 A US 179114A US 179114D A US179114D A US 179114DA US 179114 A US179114 A US 179114A
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Prior art keywords
girder
improvement
compound
iron
girders
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/043Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the hollow cross-section comprising at least one enclosed cavity

Definitions

  • Figure 1 is a side elevation of a girder.
  • Fig. 2 is a crosssection, showing the added part.
  • Fig. 3 is a longitudinal section, showing the same.
  • Fig. 4 is a plan, showing the added part on each side.
  • Fig. 5 is across-section, showing a modification of the-added part.
  • My former patent girder had the bed or base B of castiron, with cast-iron ribs 0, and the sides A, of Wrought-iron, bolted to the bed and to the ribs; but the upper side was left open, thus leaving unoccupied a place of strengthening, which may be utilized to advantage.
  • this plate may be In the compound girder having the castiron base B and wrought-iron sides A, the combination of the angle-iron strips E therewith, substantially as and for the purpose specified.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Heat Treatment Of Steel (AREA)
  • Artificial Fish Reefs (AREA)

Description

A; HAY.
COMPOUND-GIRDER.
Patented June 2'7, 1876.
wit m as fia wmca :Va rm's J72 van to 7 974M N- PETERS, FHOTO-LITHOGRAPHER, WASHINGTON, D,
UNITED STATES PATENT OEEIoE.
ADAM HAY, OF NEWARK, NEW JERSEY.
IMPROVEMENTIN COMPOUND GIRDERS.
Specification forming part of Letters Patent No. I 79,1 14, dated June 27, 1876; application filed May 19, 1876.
[0 all whom it may concern Be it known that I, ADAM HAY, of Newark, in the county of Essex and State of New Jersey, have invented a certain Improved Gompound Girder, of which the following is a specification My invention consists in an improvement on my former patent for a compound boxgirder, No. 164,734, June 22, 1875viz., in strengthening the girder by the application of an element to the upper side.
Figure 1 is a side elevation of a girder. Fig. 2 is a crosssection, showing the added part. Fig. 3 is a longitudinal section, showing the same. Fig. 4 is a plan, showing the added part on each side. Fig. 5 is across-section, showing a modification of the-added part.
My former patent girder had the bed or base B of castiron, with cast-iron ribs 0, and the sides A, of Wrought-iron, bolted to the bed and to the ribs; but the upper side was left open, thus leaving unoccupied a place of strengthening, which may be utilized to advantage. I now take the girder constructed on my former plan, and to the inside of the upper edge of sides A I bolt, through the flanges a, the angle-iron strips E, made of wrought-iron running the Whole length ofthe girder. That part of the strip facing on the top may he of such width as experiment shall prove most desirable; or, instead of these strips, there may he a channel-iron plate, F,
as shown in Fig. 5, extending across the whole .of the upper side; and this plate may be In the compound girder having the castiron base B and wrought-iron sides A, the combination of the angle-iron strips E therewith, substantially as and for the purpose specified.
' ADAM HAY Witnesses:
HoRAoE HARRIS, It. W. HOLMES.
US179114D Improvement in compound girders Expired - Lifetime US179114A (en)

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