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MARCET GRAN JAIME
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MARCET GRAN JAIME
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Application filed by MARCET GRAN JAIMEfiledCriticalMARCET GRAN JAIME
Priority to ES0081133UpriorityCriticalpatent/ES81133Y/en
Publication of ES81133UpublicationCriticalpatent/ES81133U/en
Application grantedgrantedCritical
Publication of ES81133YpublicationCriticalpatent/ES81133Y/en
Improved spark plug characterized by being provided with a coaxial central electrode with a refractory insulating mass that covers and isolates it, and in which it is held by a set of nut and lock nut at the outer end and by a projection at the other end; as well as a mass electrode constituted by a discoidal envelope concentric to the previous electrode, which penetrates a central hole. (Machine-translation by Google Translate, not legally binding)