Method for vacuum brazing aluminum members
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United States of America Patent
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Oct 3, 1995
Issued Date -
N/A
app pub date -
Feb 9, 1994
filing date -
Feb 12, 1993
priority date (Note) -
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status (Latency Note)
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Abstract
A vacuum furnace for brazing aluminum with brazing metal containing magnesium in which evaporated magnesium in the furnace is oxidized before aluminum members having been brazed are taken out, and/or the temperatures of a movable wall serving to control the communication between a vacuum pump and a heating chamber during heating and of an inner surface of the heating chamber are maintained at above a specified temperature at which evaporated magnesium does not adhere, and/or a heating member which is to be excited electrically and electrodes used for electrically exciting the heating member, which are the constituents of a heater for heating the aluminum members and the brazing metal, are hermetically sealed and insulated from the inside of the heating chamber.
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