Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Spark plug for internal combustion engine and method for manufacturing spark plug Image Number 10 for United States Patent #8120235. A spark plug including a center electrode and a ground electrode. A center electrode noble metal tip is joined to a leading end portion of a center electrode, and a ground electrode noble metal tip is joined to a center-electrode-side side surface of the ground electrode. A distal end portion of the ground electrode noble metal tip protrudes from a distal-end surface of the ground electrode by 0.1 mm to 1.5 mm. A center-electrode-side side surface of the ground electrode noble metal tip projects from a center-electrode-side side surface by 0.15 mm to 0.6 mm. The ground electrode includes chamfered portions. Thickness lengths and widthwise lengths of the respective chamfered portions achieved within a cross section perpendicular to a center axis of the ground electrode are set to 0.2 mm or more.       Recently Added Patents Liquid flask Ribbon microphone Coupling device for forming a protective building system Popcorn machine Control unit of laundry processing apparatus Flexible power reporting in a computing system Optical information recording medium and method for producing same   Randomly Featured Patents Wafer polishing method and apparatus Sheet width control for overflow downdraw sheet glass forming apparatus Liquid processing apparatus, liquid processing method, and recording medium having program stored therein Electrical connector Drum clutch slippage system Horizontally positioned, encapsulated high-voltage circuit breaker Brake device for automobile Lower end fitting Christmas light wrapper and storage apparatus Systems and methods for generating tones for operating telephones © 2006-2008 PatentGenius. All Rights Reserved.