Oil siphon

Details Oil siphon Oil siphon

2006-12-26

2006-12-26

Hug, Eric (Department: 1731)

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

C162S272000, C100S118000, C100S153000, C100S336000, C492S020000

Reexamination Certificate

active

07153392

ABSTRACT:
A shoe roll of a shoe press for use in a papermaking machine, the shoe roll including a blanket, or endless belt, which houses a shoe assembly that, in cooperation with an external backing roll, forms an extended nip proper. The shoe press includes an oil circulation piping system for removing the oil from the interior of the shoe roll and transferring the oil to an oil trap during the running of the machine, whereby the piping system also includes a suction fan connected thereto. The device is implemented by way of connecting an oil siphon to the oil circulation piping system, the oil siphon adapted to move towards and away from the blanket in the interior of the shoe roll so that, when the roll is stopped, the siphon removes the excess oil from the interior of the blanket by a pressure differential generated by of the suction fan.

REFERENCES:
patent: 4555305 (1985-11-01), Steiner et al.
patent: 5084137 (1992-01-01), Ilmarinen et al.
patent: 6355143 (2002-03-01), Kilian et al.
patent: 44 02 754 (1994-06-01), None
patent: WO 00/70143 (2000-11-01), None

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