Continuous pickling tank with expandable seals

Details Continuous pickling tank with expandable seals Continuous pickling tank with expandable seals

1995-06-07

1996-10-22

Coe, Philip R.

Cleaning and liquid contact with solids

Apparatus

Sequential work treating receptacles or stations with means...

1341041, 134122R, 266112, 277 56, B08B 308

Patent

active

055666949

ABSTRACT:
The present invention discloses a continuous, shallow bath plastic pickling tank for carbon or stainless steel strip or product. The present invention provides first and second end stands spaced from each other and secured to a foundation with a trough extending between the end stands anchored at the center and adapted to receive a pickling acid therein. An expandable seal according to the present invention couples each end stand with the trough with the seal specifically allowing for the thermal expansion of the trough relative to the stands while prohibiting the escape of pickling acid or fumes. The invention includes a device to allow for cleaning of the seal with cleaning fluid such as flushing water.

REFERENCES:
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patent: 3625232 (1971-12-01), Speelmanns et al.
patent: 4807653 (1989-02-01), Cipriano et al.
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patent: 4986291 (1991-01-01), Hula et al.
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patent: 5116447 (1992-05-01), Kimura et al.
patent: 5248372 (1993-09-01), McNamee
patent: 5282485 (1994-02-01), Hirai et al.
patent: 5412966 (1995-05-01), Neese et al.

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