Method of making integrated toilet bowl exhaust system

Details Method of making integrated toilet bowl exhaust system Method of making integrated toilet bowl exhaust system

1998-10-15

2000-02-01

Fiorilla, Christopher A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 8911, 264629, 264633, C04B 3700

Patent

active

060198621

ABSTRACT:
The toilet includes a bowl section and two superposed rim sections for conveying fresh water to the bowl though the lower rim section and air from the bowl through the upper rim section. The lower rim section has an integral water plenum having an upper wall and a lower wall, the lower wall of the plenum having an upstanding rim engaging said upper wall in support the same during firing of the clay slip from which the rim section is cast. The upper rim section defines an integral air collection chamber having a lower wall and an upper wall and an upstanding rib extending upwardly from said lower wall to engage the lower surface of the upper wall. The separate sections are cast in plaster of Paris molds having the configuration of the exterior surface of the respective sections. The liquid clay slip is placed into the respective molds and the slips permitted to harden a predetermined mount inwardly from the respective molds by withdrawal of moisture from the slip into the plaster of Paris mold, leaving the central portion of the clay slip liquid which is then poured out of the mold, whereafter the sections are permitted to dry to sufficient rigidity that the molds can be removed therefrom. After removal of the sections, they are assembled in their position in a completed toilet and the assembled sections fired to effect bonding of the sections together.

REFERENCES:
patent: 952745 (1910-03-01), Kirk
patent: 1109313 (1914-09-01), Barnes
patent: 1289151 (1918-12-01), Gavin
patent: 1435644 (1922-11-01), Kelly

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