Patent · US Active

Line duct with a series of layers

US9291268B2 · kind B2 · utility

2Cited by

1References

14Claims

0Family size

Assignee

Hauff-Technik GmbH & Co. KG · DE

Inventors

Ralf Kurz · Giengen an der Brenz, DE
Martin Heck · Mössingen, DE
Michael Seibold · Schwäbisch Gmünd, DE

Key dates

Filing date	Feb 21, 2012
Grant date	Mar 22, 2016
Priority date	—
Expiry date	Nov 8, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49826
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

The invention relates to a line duct for sealing a wall opening through which a line passes, comprising an elastomer body with a series of layers surrounding the line. The elastomer body and the series of layers are made up here of a number of respective one-piece elastomer body parts (2a, b, c, d) with shells (4a, b, c, d), according to the invention there being arranged between the shells (4a, b, c, d) of an elastomer body part (2a, b, c, d) at least two shells (4a, b, c, d) of other elastomer body parts (2a, b, c, d).

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