Process for the manufacture of a shaft bottom

(10) US 2013/0059026 A1
(43) Mar. 7, 2013
(22) Sep. 5, 2012
(76) Johann Schlusselbauer, Altenhof (AT)
(57) A method for producing a concrete shaft bottom which comprises a drain having a defined shape. Concrete is introduced into a bottom mold that comprises a mold jacket and a mold bottom. On the mold bottom, a molded body forming the negative shape of the drain is disposed to configure the drain. The invention allows for the inexpensive and mechanized production of a shaft bottom having an individual drain. For this purpose, the molded body is configured from at least one molded piece that is...

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