Device for joining sheets of cardboard to form corrugated cardboard
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United States of America Patent
Stats
-
Nov 6, 2007
Grant Date -
Dec 30, 2004
app pub date -
Jun 14, 2004
filing date -
Jun 27, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The device to join a sheet of smooth cardboard (N4) to a sheet of corrugated cardboard (N1; N2; N3), comprises a series of heated plates (3) aligned according to a longitudinal direction of feed (F) of the cardboard and, above said heated plates, pressure elements (53) to press the cardboard against said heated plates, which are fastened by elastic elements to a supporting structure (41). The supporting structure comprises a plurality of frames (41) aligned according to the longitudinal direction (F) and the inclination of the frames is adjustable to modify the pressure profile applied by said pressure elements to the cardboard (C).
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Cited Art Landscape
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