Welded plate heat exchanger
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United States of America Patent
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-
Jun 17, 1997
Grant Date -
N/A
app pub date -
Mar 28, 1995
filing date -
Jan 27, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
In a welded plate heat exchanger the edge portion of each heat transferring plate (2) is welded together with the edge portions of a first adjacent heat transferring plate (3) along an outer line (10B) and with the edge portion of a second adjacent heat transferring plate (1) along an inner line (11B). In order to ensure, in connection with welding together of the heat transferring plates from only one direction, that contact is maintained between the plates along said outer line (10B) each heat transferring plate is formed with a stiffening crease (18) outside said outer line. The stiffening crease (18) extends along the edge of plate outside said outer line (10B).
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