Patent · US Expired

Cover for concrete voids of lifting inserts

US4386486A · kind A · utility

35Cited by
4References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 13, 1981
Grant dateJun 7, 1983
Priority date
Expiry dateApr 13, 2001

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE04C2/526
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A plug frictionally fits within the lifting eye of an anchor insert of a tilt-up wall slab. The plug is provided with pin receiving passageways whereby a pin-bearing cover plate may be attached to the plug to cover over the access recess to the anchor insert.

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