SHELL SPLIT DEVICE FOR JAPANESE WALNUT AND SHELL SPLIT METHOD OF JAPANESE WALNUT

摘要

To provide a shell split device for Japanese walnuts in which shell can be split so that an internal fruit can be taken out in a relatively large state for the Japanese walnuts.SOLUTION: A shell split device 1 for Japanese walnuts includes: a first shell split blade 20 for giving the split prolonged in the intersecting direction to the seam of the shell over the whole circumference or substantially the whole circumference of the shell, in the position of the hip part side from the position becoming the maximum diameter of the shell in the Japanese walnuts arranged in a predetermined position; and a second shell split blade 30 for giving the split at least along the seam to the head top side of the shell in the Japanese walnuts arranged in the predetermined position.SELECTED DRAWING: Figure 4