US2835726 Patents
INSULATOR BUSHING AND ELECTRODE FOR SPARK PLUGS United States Patent Office 1. 2,835,726 INSULATOR BUSHING AND ELECTRODE FOR SPARK PLUGs Otto Beesch, Stuttgart-Zuffenhausen, Germany, assignor 2,835,726 Patented May 20, 1958 section of the longitudinal bore 2 the part 9 of the elec trode pin is disposed with a collar 13 on the end surface of the insulator. After the introduction of the parts of the electrode pin the insulator is dried and finally so heated that the glass powder paste fuses. After cooling, the parts of the electrode pin are firmly and tightly dis
7 claims. 14,827 characters of text.