Patent · US Expired

Conduit bending level

US4164817A · kind A · utility

9Cited by
4References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 4, 1978
Grant dateAug 21, 1979
Priority date
Expiry dateMay 4, 1998

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01C9/28
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A conduit bending level comprising a body of molded resilient material which includes a plurality of progressively tapering coaxially stepped frustoconical body portions each having an outer surface adapted to be received by force-fit into the open end of a conduit of corresponding nominal inside diameter. A spirit level is carried centrally of the body at the wide end thereof perpendicularly of the body axis for indicating orientation of the conduit end during a conduit bending operation.

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