Receptacles – Sectional – Barrel-shaped container
Reexamination Certificate
2007-08-30
2010-12-21
Stashick, Anthony (Department: 3781)
Receptacles
Sectional
Barrel-shaped container
C220S567100, C220S004210, C220S004050, C220S004070
Reexamination Certificate
active
07854338
ABSTRACT:
A water tank T of plastic material which is joined by using at least two open and identical tank parts1and a joining plane2, the tank parts having respective opening structures R with a flattened inner opening edge, a sealing channel26being open towards the joining plane, and an outer flattened opening edge, the inner and outer opening edges within the opening edge structure are situated in each tank part1, 35in the joining plane2, the opening edge at the same time defining inner and outer fitting surfaces16, 17, respectively with a width exceeding the thickness X of the tank part wall30and the sealing channel wall34by at least about the half, such that the water tank T selectively can be manufactured from the same tank parts1, 35either monolithically by welding the fitting surfaces16, 17without sealing means in-between to each other or separable by clamping the opening edge structures R from the outer side with sealing means33provided between both tank parts1, 35.
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Machine translation of BE1008443A7.
“Systematic Rainwater Use”, p. 34, edition 2006, Otto Graf GMBH Plastic Products, D-9331, Teningen, Carl-Zeiss-Str. 2-6, catalogue R26.
Baker & Hostetler LLP
Edwards Brett
Graf Plastics GmbH
Stashick Anthony
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