Method for assembling the plates of a plate pack and resulting plate pack
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 12, 2004
Grant Date -
May 22, 2003
app pub date -
Nov 1, 2002
filing date -
Mar 20, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Plates of a heat exchanger plate pack are formed by a stack of plates defining at least two independent fluid flow circuits, each circuit comprising a central heater part and a border with a smooth surface. A cutout is produced on corners of each plate and on the border to be connected, of each plate to the adjacent plate, a fold is made in order to form a first flange. On this first flange a fold is made in order to form a second flange laying parallel to the central part of the corresponding plate and directed outward from the plate. The plates are superposed and held by applying the second flange of each plate to the second flange of the adjacent plate. A continuous sealed weld bead is made by completely melting the second superposed flanges of adjacent plates.
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