Patent · US Expired

Synchronizing ring and process of manufacturing the same

US4679681A · kind A · utility

23Cited by

10References

2Claims

0Family size

Assignee

Kolbenschmidt Aktiengesellschaft · DE

Inventors

Martin Creydt · Wiesloch, DE
Wolfgang Bickle · Reilingen, DE
Harald Pfestorf · Untereisesheim, DE

Key dates

Filing date	Mar 29, 1985
Grant date	Jul 14, 1987
Priority date	—
Expiry date	Mar 29, 2005

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16D2250/00
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A synchronizing ring is composed of a composite material comprising a metallic layer consisting of aluminum alloy and having a thickness of 0.1 to 1.0 mm forming a friction cone and a steel backing layer having a thickness of 0.5 to 3.5 mm and cladded to the metallic layer. The invention also includes a process of manufacturing a synchronizing ring by metal forming.

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