Liquid purification or separation – With repair or assembling means
Reexamination Certificate
2007-08-30
2009-08-11
Upton, Christopher (Department: 1797)
Liquid purification or separation
With repair or assembling means
C210S521000, C210S532200, C220S004130, C220S004240, C220S533000, C220S567100
Reexamination Certificate
active
07572372
ABSTRACT:
In a tank B for water treatment, consisting of at least two plastic material tank parts1, 2produced by injection moulding or by injection moulding and embossing a separately produced separation wall T is mounted with the edge at the walls of the tank parts such that the mounting regions at least partly are watertight. The separation wall T extends in the tank B crosswise to the joining plane E. The tank parts have opening edge structures R which fit on each other and which are joined in the joining plane E in watertight fashion.
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Kleinkläranlagen und Fäkalien-Sammelgruben(Minor Sewage Plant and Cesspool/Septic Tank Collection, leaflet K26, edition 2006, Otto Graf GmbH, Junststofferzeugnisse, D-79331 Teningen, pp. 22 and 23.
Baker & Hostetler LLP
Graf Plastics GmbH
Upton Christopher
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