Patent · US Expired

Concrete structural elements, process and device for manufacturing these elements

US4694622A · kind A · utility

31Cited by
7References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 26, 1985
Grant dateSep 22, 1987
Priority date
Expiry dateJul 26, 2005

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB28B3/00
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Concrete; structural elements having a high permissible working load typically in the range of at least 50-100 MPa. The element includes a block of compressed concrete surrounded by a tubular hoop made of intercrossed wires. Such elements are useful for making beams, posts, cables and the like.

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