POSITIONING OF YOLK IN CENTER OF EGG IN COURSE OF BOILING THEREOF

摘要

PURPOSE: To enable the yolk of an egg to be effectively shifted, particularly shifted in the direction of the longer axis of the egg by rotating the egg intermittently about the longer axis until the albumen solidified while the egg is boiled. CONSTITUTION: An egg 1 with the horizontal longer axis supported on two rolls 3 extending parallel to each other. The shaft of the roll 3 is provided on one end with a drive wheel 5, for example a sprocket and the drive wheels 5 are connected to each other through a chain 6. The shafts 4 of both rolls 3 are provided with another sprocket 7 and connected to a drive motor 9 through a chain 8. The drive motor can be reversibly rotated. When the egg 1 is rotated intermittently reversibly rotated about the longer axis by both rolls 3 until the albumen is solidified, the yolk of the egg shifts the center radially toward the longer axis 2 of the egg while moving in the direction of the longer axis 2 to such a degree that the yolk is spaced from both ends of the egg by a sufficient distance. The yolk is surrounded uniformly by the thick albumen layer after the egg is boiled.