F - Mech Eng,Light,Heat,Weapons – 26 – B
Patent
F - Mech Eng,Light,Heat,Weapons
26
B
34/39
F26B 13/00 (2006.01) F26B 13/10 (2006.01) F26B 21/00 (2006.01)
Patent
CA 1299866
ABSTRACT OF THE DISCLOSURE A web treatment system includes main housing structure, chamber structure in the main housing structure that defines a thermally insulated web treatment zone, and structure that defines a web inlet at one end of the web treatment zone and a web outlet at the opposite end of the web treatment zone, so that a web path through the web treatment zone between the web inlet and the web outlet is defined. A series of elongated gas distributing nozzle bar structures are supported in the upper region of the web treatment zone above and along the length of the web path. Each gas distribution nozzle bar structure has opposed end walls and elongated lower wall structure extending between the end walls across the width of the web treatment zone, an inlet port in one end wall and outlet port structure in the lower wall extending along the length of the gas distribution nozzle bar for directing flow of gas from the supply plenum downwardly toward the web path. In each nozzle bar structure adjacent its inlet port is eddy creating structure and remote from the inlet port is flow stabilization structure such that the velocities of gas flows exiting from each nozzle bar structure are substantially uniform over the length of the nozzle bar structure and the width of the web treatment zone.
581578
Buske Walter E.
Smart & Biggar
Wolverine Corporation
LandOfFree
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