Patent · US Active

Rod assembly and device for trenchless rehabilitation of pipelines

US9103166B2 · kind B2 · utility

0Cited by

5References

21Claims

0Family size

Assignee

TRACTO-TECHNIK GmbH & Co., KG · DE

Inventors

Elmar Koch · Eslohe, DE
Sebastian Fischer · Lennestadt, DE

Key dates

Filing date	May 1, 2012
Grant date	Aug 11, 2015
Priority date	—
Expiry date	Jul 11, 2032

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16L55/18
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A rod assembly for a device for trenchless rehabilitation of pipelines includes at least two rod sections connectable to one another by a plug connection in a tension-proof manner, with at least a first one of the rod sections having an end formed with a lateral opening, and a second one of the rod sections having an end formed with a crosspiece for insertion in the lateral opening of the first rod section. Those end faces of the lateral opening and the crosspiece which are pressed against one another in response to a tensile load of the rod assembly have an arched configuration.

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