Patent · US Expired

Steel girder

US4059937A · kind A · utility

1Cited by
2References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 25, 1976
Grant dateNov 29, 1977
Priority date
Expiry dateMay 25, 1996

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE04C2003/0491
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A steel girder of the type having a cross-section in the shape of a rectangle comprises four parallel L-beams situated at respective corners of the rectangle, strut elements disposed opposite one another in pairs and parallel to the longer sides of the rectangle, and connecting elements each having a flat, substantially H-shaped web portion and two flanges projecting at right angles from the outer edges of the web portion, the web portions sloping at a uniform angle to the L-beams toward the shorter sides of the rectangle.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.