| 摘要 |
1470297 Crisp-frying GENERAL MILLS Inc 29 April 1974 [27 April 1973] 18637/74 Heading A4D Apparatus for frying and shaping a continuous ribbon of inter-connected dough pieces to provide chip-type snack food products comprises a rotatable drum 41 having a first substantially continuous shaping surface 60, a conveyer 86 having a second substantially continuous shaping surface 123, both the chain system 86 and the drum being partially within a zone for containing heated frying oil in a tank 12, surfaces 60, 123 co-operating within the zone to provide a cavity for containing and shaping the ribbon whilst supporting it and moving it into, through and out of the zone, and means for defining a minimum but increasable spacing between the surfaces. Oil is fed into the sheet metal tank 12 from an external heater through pipe 34 and returned through pipe 36, pipe 34 may include a control valve for adjusting the tank's oil level. To minimize the oil volume in the tank, the drum 41 substantially fills the tank which has an arcuate bottom wall 33. Plate metal drum 41 is supported on axle 46 and has a pair of radial flanges (51, 52) bolted to which are sprocket plates (53). A carriage 57 comprises the U-shaped perforated shaping surface 60 screwed to a body (62) which has elliptical holes (69, 70) accepting a shaft 58 passing through openings (59, 61) in the radial flanges (51, 52). Springs (78, 79) urge the body (62) respectively away from and towards drum 41. Adjustable screws (81, 82) limit the body movement towards the drum. An electric motor 136 drives sprocket 91 to drive the chain system 86, which is length adjustable by cylinders (108), 109, and the individual chains 111, 112 engage the sprocket plates (53) on drum 41. Between the individual chains are carried carriages 122 to each of which is welded the perforated U-shaped surface 123. In operation chain system 86 drives drum 41 and a 0À02 to 0À10 inch spacing is set between surfaces 60, 123. If two dough layers are superimposed, surface 60 moves away from surface 123. A ribbon of dough is fed on to the upper part of surface 60 and hence through the oil. A second embodiment Figs. XIII-XVII, (not shown) has modified carriages (57a, 122a). A plurality of rows of surfaces 60, 123 may be provided. |
