HEAT EXCHANGER AND METHOD OF MANUFACTURING OUTSIDE PLATE USED FOR HEADER TANKS OF HEAT EXCHANGER
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United States of America Patent
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N/A
Issued Date -
Jun 14, 2007
app pub date -
Dec 13, 2006
filing date -
Dec 14, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of manufacturing an outside plate used for a heat exchanger header tank configured such that an outside plate having an outwardly bulging portion, an inside plate, and an intermediate plate are brazed together in layers. A thick portion is formed on an outside-plate forming metal plate at a center portion with respect to the width direction thereof. Subsequently, a press work is performed on the outside-plate forming metal plate so as to form the outwardly bulging portion by making use of the thick portion. A connection portion having a curvature radius of 1 mm or less is formed between an inner wall surface of the outwardly bulging portion and each of surfaces of the outside plate located on the opposite sides of the outwardly bulging portion. This method enables manufacture of an outside plate which reduces the weight while securing sufficient withstanding pressure.
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