Negative mould for producing the base of a shaft with a channel and method for producing the same

摘要

female mould (6) to produce a gerinne schachtunterteils inflation. the neativform comprises a jacket (12), a locking fitting bodenstu00fcck on coat (14) with a core (10) of the mantle (12) is surrounded with the female mould (6) to a fu00fcllraum (16) for filling with a betonmasse or the like fu00fcllmasse contains.the fu00fcllraum (16) of the jacket (12), the core (10) and the bodenstu00fcck (14) limited. the fu00fcllraum (16) over the bodenstu00fcck (14) on the opposite side of the core (10) completely.the core (10), a fu00fcllraum (16) facing begrenzungsoberflu00e4che (20), and the entire begrenzungsoberflu00e4che (20) of the core (10) and the range up to 10 mm below the begrenzungsoberflu00e4che (20) from a schmelzmaterial whose melting point is between 20 degrees c and 10 0 degrees.this schmelzmaterial points after the melting process is completed and then crystallizing the same density, the melting process is completed. (fig. 3).