Piston device for dispensing ice cream, for ice cream machines of the "instant" type
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United States of America Patent
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N/A
Issued Date -
Mar 22, 2007
app pub date -
Oct 25, 2004
filing date -
Oct 29, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Piston device for dispensing ice cream, for ice cream machines of the 'instant' type, comprising a whisking cylinder (1) closed by a hatch (3) having an aperture (603) communicating with the said whisking cylinder (1). The said hatch 3 has a cylindrical chamber (303) of relatively large diameter in which is mounted with a seal a rotatable drum (4) carrying a plurality of cylindrical housings (4a-4d) each having in its lower lateral area a through hole (304a-304d) which can be aligned with the said aperture (603) for communication with the whisking cylinder (1), each of the said cylindrical housings (4a-4d) being closed at its base by a die plate (504a-504d) for the extrusion of the ice cream, provided with one or more through holes (604a-604d) having various shapes, sizes and arrangements, pistons (7a-7d) being fitted with a seal in each of these cylindrical housings (4a-4d), and means (207a-207c; 110, 210, 11, 311, 12, 19) also being provided for selectively engaging the said pistons (7a-7d) to raise and lower them in such a way as to cause the ice cream to be dispensed through the selected die plate (504a-504d).
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