Patent · US Expired

Length of hose made out of an elastic material that readily recovers its shape

US4869471A · kind A · utility

23Cited by

24References

7Claims

0Family size

Assignees

Altenkirchener Kunststoff GmbH · DE
Hoescht Aktiengesellschaft · DE

Inventors

Gunter Schwarz · Altenkirchen, DE
Ulrich Neuhaus · Iserlohn, DE

Key dates

Filing date	Sep 30, 1988
Grant date	Sep 26, 1989
Priority date	—
Expiry date	Sep 30, 2008

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29C48/13
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A length of hose made out of an elastic material that readily recovers its shape, especially intended for covering the coiled section of a helical compression spring with a progressive characteristic of the type employed in motor vehicles and similar machines. At least one terminating section of the length of hose has a shorter inside diameter and communicates with the remaining, cylindrical, section of the length of hose through an intermediate section that tapers conically at least inside.

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