Patent · US Active

Element for sealing two parts that can be rotated in relation to one another

US8449201B2 · kind B2 · utility

2Cited by

13References

30Claims

0Family size

Assignee

IMO HOLDING GMBH · DE

Inventors

Erich Russ · Gremsdorf, DE
Hubertus Frank · Annaberg-Buchholz, DE
Hermann Willaczek · Hemhofen, DE

Key dates

Filing date	Aug 25, 2006
Grant date	May 28, 2013
Priority date	—
Expiry date	Dec 13, 2028

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16C2360/31
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

The invention relates to an element (10) for sealing two parts (2, 3) that can be rotated in relation to one another. Said element comprises at least one first sealing ring (11) consisting of a permanently elastic material, which is fixed to one of the two rotatable parts and comprises at least one sealing lip (21) and at least one second sealing ring (12), which is fixed to the other rotatable part and comprises a strip (19) consisting of another material that runs along its periphery. At least one sealing lip of the first sealing ring lies against said strip.

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