Patent · US Expired

Fuel dispenser seal

US4995433A · kind A · utility

16Cited by

11References

12Claims

0Family size

Assignee

Firma Carl Freudenberg · DE

Inventors

Bernd Beicht · Groß-Umstadt, DE
Joachim Heinemann · Weinheim, DE
Frank Keller · Tampa, US
Reinhard Tinz · Masserberg, DE

Key dates

Filing date	Jul 28, 1989
Grant date	Feb 26, 1991
Priority date	—
Expiry date	Jul 28, 2009

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/86324
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A fuel dispenser seal to be used in an inlet of a fuel tank having an orifice of a reduced diameter. The seal comprises a sealing ring made of a polymer material which is provided with a sealing lip which can engage with the fuel dispenser. The sealing ring is held in a support body of a basically tube-like shape and in at least a partial section the support body is elastically configured and can be inserted into the inlet through orifice by a reversible diameter reduction. In the inlet it can engage with a projection of the inlet facing in radial direction towards the interior and it can be firmly attached in axial direction.

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