HEAT ROLLER

PROBLEM TO BE SOLVED: To restrain the deterioration of the electrode of a heat roller due to partial overheat. SOLUTION: This heat roller 1 is formed to have a cylindrical roller substrate 2 with a through-hole 1a, a nickel(Ni) plating layer 3 as an exothermic resistor layer formed on the external s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MAKISHIMA MASAO, KISHIDA NAOYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING CINEMATOGRAPHY ELECTROGRAPHY ELECTROPHOTOGRAPHY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOLOGRAPHY LIGHTING MAGNETOGRAPHY MECHANICAL ENGINEERING PHOTOGRAPHY PHYSICS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To restrain the deterioration of the electrode of a heat roller due to partial overheat. SOLUTION: This heat roller 1 is formed to have a cylindrical roller substrate 2 with a through-hole 1a, a nickel(Ni) plating layer 3 as an exothermic resistor layer formed on the external surface of the roller substrate 2, and a metallic electrode 4 formed at both ends of the roller substrate 2. The electrode 4 has a plated electrode part 5 plated on the nickel(Ni) plating layer 3. Also, the plated electrode part 5 is formed to have a shape with thickness reduced in stages or gradually from the end of the roller substrate 2 toward the inside thereof. In this case, as the plated electrode part 5 formed on the nickel(Ni) plating layer 3 has a shape with thickness reduced in stages or gradually from the end of the roller substrate 3 toward the inside thereof, the electrical resistance value of the plated electrode part 5 increases toward the inside of the roller substrate 2.