Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Automatic and/or material-triggered control
Patent
1996-10-16
1998-08-04
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Automatic and/or material-triggered control
156361, 156362, 156470, 156499, 1565831, 34553, B32B 3100, G05G 1500
Patent
active
057888035
ABSTRACT:
A corrugated paperboard manufacturing apparatus includes one or more preheaters upstream from the double-facer for preheating the component sheets for the corrugated paperboard. A preheater preferably includes an electrically powered heater positioned adjacent a second surface portion of a preheater body for heating the preheater body so that heat is transferred to the component sheet contacting a first surface portion of the body. The first surface portion of the preheater body contacts the component sheet as the component sheet is advanced along the path of travel. The electrically powered heater is positioned adjacent the second surface portion of the preheater body for radiantly heating the preheater body. The temperature of the component sheet delivered to the double-facer from the preheater can be readily controlled to ensure high quality corrugated paperboard. In one embodiment, the preheater body may be provided by a rotating roll. Accordingly, the first and second surface portions may be at different angular positions relative to the rotating roll. In another embodiment, the preheater body comprises a plate, and wherein the first and second surface portions are on opposite sides of the plate. Method aspects of the invention are also disclosed.
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Sissons Anthony J.
Thomas David Alan
Interfic, Inc.
Rivard Paul M.
Simmons David A.
LandOfFree
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