- Patent Title: Spark plug housing having a galvanic nickel and zinc-containing protective layer and a silicon-containing sealing layer, spark plug having said housing, and method for producing said housing
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Application No.: US17436522Application Date: 2020-03-18
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Publication No.: US11979003B2Publication Date: 2024-05-07
- Inventor: Stefan Nufer , Tina Hirte
- Applicant: Robert Bosch GmbH
- Applicant Address: DE Stuttgart
- Assignee: Robert Bosch GmbH
- Current Assignee: Robert Bosch GmbH
- Current Assignee Address: DE Stuttgart
- Agency: Maginot, Moore & Beck LLP
- Priority: DE 2019203803.4 2019.03.20
- International Application: PCT/EP2020/057388 2020.03.18
- International Announcement: WO2020/187966A 2020.09.24
- Date entered country: 2021-09-03
- Main IPC: H01T13/06
- IPC: H01T13/06 ; C25D3/56 ; C25D7/00 ; H01T21/02
Abstract:
The disclosure relates to a housing for a spark plug, having a bore along the longitudinal axis X of the housing, the housing comprises an outer side and an inner side and a galvanically applied nickel and zinc-containing protective layer is arranged on at least one part of the outer side of the housing. A sealing layer, which contains silicon, is arranged on the nickel and zinc-containing protective layer.
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