PISTON FOR INTERNAL COMBUSTION ENGINE AND ITS MANUFACTURE

PROBLEM TO BE SOLVED: To simply and surely form a cooling cavity and eliminate a cooling effect from being imparied by fittedly attaching a ring carrier in fitting recess part, by forming the cooling cavity constituted of a circumferential groove, and by connecting the ring carrier to a falling-prev...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	OTSUKA KENZO, SUZUKI YOSHIHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING COMBUSTION ENGINES CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To simply and surely form a cooling cavity and eliminate a cooling effect from being imparied by fittedly attaching a ring carrier in fitting recess part, by forming the cooling cavity constituted of a circumferential groove, and by connecting the ring carrier to a falling-prevention ring. SOLUTION: A fitting recess part 21 is formed in an outer circumferential face of a top surface 11 side of a main body part 10. The fitting recess part 21 is so formed as to be removed into an L-shape along the outer circumferential edge of the top face 11 and a circumferential groove (a cooling cavity) 22 is formed as being opened in the outer circumferential face of the fitting recess part 21. A ring-shaped ring carrier 23 is fittedly attached in the fitting recess part 21 provided with the cooling cavity 22 in its outer circumferential side. A holding groove 31 is formed in a prescribed position on the outer circumferential face of the fitting recess part 21 and a falling-prevention ring 30 which is held by this holding groove 31 is welded and connected to the ring carrier 23. This constitution can prevent the ring carrier 23 from being fallen.