Heating – Work chamber having heating means – Having means by which work is progressed or moved mechanically
Reexamination Certificate
2008-05-27
2008-05-27
Wilson, Gregory A. (Department: 3749)
Heating
Work chamber having heating means
Having means by which work is progressed or moved mechanically
C432S002000, C432S074000
Reexamination Certificate
active
07377775
ABSTRACT:
According to one embodiment, a heating apparatus includes, a heating chamber, a fan provided in the heating chamber, the fan blowing atmosphere upward, a heater provided in the heating chamber and above the fan, the heater heating the atmosphere blown by the fan, a plurality of first straightening vanes arranged in a substantially horizontal direction so as to be spaced apart from one another in the heating chamber and above the heater, a plurality of second straightening vanes arranged in a substantially horizontal direction so as to be spaced apart from one another in the heating chamber and above the first straightening vanes, each of the plurality of second straightening vanes overlapping both of its adjacent first straightening vanes, and a transfer unit which transfers a board, at least part of the transfer unit being provided in the heating chamber and located above the second straightening vanes.
REFERENCES:
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patent: 4375957 (1983-03-01), Smith
patent: 6694637 (2004-02-01), Miller et al.
patent: 6780225 (2004-08-01), Shaw et al.
patent: 2007/0042313 (2007-02-01), Shibamura et al.
patent: 2007/0057020 (2007-03-01), Shibamura et al.
patent: 8-008528 (1996-01-01), None
patent: 08-274459 (1996-10-01), None
patent: 10-027955 (1998-01-01), None
Kabushiki Kaisha Toshiba
Knobbe Martens Olson & Bear LLP
Wilson Gregory A.
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