Patent · US Active

Method for treating a pipe, pipe and pipe connection device

US12320451B2 · kind B2 · utility

0Cited by
3References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 25, 2021
Grant dateJun 3, 2025
Priority date
Expiry dateAug 25, 2041

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02M2200/9038
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A method for treating a pipe, in particular a motor vehicle pipe, wherein a flare is generated at least at one pipe end of the pipe. At least areas of the flare are provided with at least one layer, which changes the friction properties of the coated surface of the flare. The flare is coated by means of plasma coating.

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