The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 03, 1991
Filed:
Jul. 18, 1990
Applicant:
Inventor:
Horst Fleischer, Weinstadt, DE;
Assignee:
Daimler-Benz AG, , DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21F / ;
U.S. Cl.
CPC ...
454166 ; 454 64 ;
Abstract
The invention relates to an exhaust-gas removal duct formed from individual axially mutually adjacent sections for track-forming lanes, having a longitudinal slot closed by a pair of elastic sealing lips. Each section has two channel-shaped shells which are joined leaktightly along a common longitudinal edge. One yoke sheet is, furthermore, provided per section, surrounds the section up to the longitudinal slot, transversely to the longitudinal axis of the removal duct, and is connected to the channel-shaped shells only in the region of the longitudinal edge and in the region of the sealing lips.