Method and device for producing moulds or cores, in...

Details Method and device for producing moulds or cores, in... Method and device for producing moulds or cores, in...

2011-05-03

2011-05-03

Ward, Jessica L (Department: 1735)

Metal founding

Process

Shaping a forming surface

Reexamination Certificate

active

07934534

ABSTRACT:
To produce moulds or cores for foundry purposes from a mixture (M) of moulding material or sand and a binder, the mixture (M) is shot using a shooting unit (2) or from a shooting tube (3) and a shooting head (4) through at least one discharge opening (7) arranged on a shooting plate (5) into a moulding or core tool (8). The region of the discharge opening (7) is moistened and/or kept moist by a liquid between at least two shooting operations, where the liquid (15) used for moistening is atomized by at least one ultrasonic atomizer (16) to form an aerosol capable of suspension and is fed to the discharge opening (7) directly or indirectly, for example, via one or more lines (18, 23).

REFERENCES:
patent: 5494094 (1996-02-01), Jacobsen
patent: 2004/0250977 (2004-12-01), Stauder
patent: 4442846 (1995-06-01), None
patent: 19911374 (1999-11-01), None
patent: 10144193 (2002-10-01), None
patent: 10340491 (2005-03-01), None
patent: 1512472 (2005-03-01), None
patent: 2687942 (1992-02-01), None
patent: 9947295 (1999-09-01), None

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