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:
Jul. 12, 2011
Filed:
Jun. 11, 2009
Detlef Hartmann, Bamberg, DE;
Christoph Naumann, Grosshennersdorf, DE;
Mario Fleischhauer, Poedeldorf, DE;
Jochen Fischer, Bamberg, DE;
Detlef Hartmann, Bamberg, DE;
Christoph Naumann, Grosshennersdorf, DE;
Mario Fleischhauer, Poedeldorf, DE;
Jochen Fischer, Bamberg, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A spark plug for an internal combustion engine includes a ground electrode, a center electrode, an insulator, a housing, and a folded packing which is situated on an outer circumference of the housing. The folded packing has: a hollow profile in cross section; a free leg directed outwards; and a support region. The folded packing lies on a contact surface in a support region, and the free leg is situated at an angle to the support region. The folded packing is pressed together during the mounting of the spark plug, and the free leg of the folded packing is designed to bend over in the direction of the support surface during the mounting to provide a diameter enlargement of the folded packing.