< Topic >It is possible to cut with fixed thickness the thickness direction center section of the nuts, without the dispersion cutting process and the disconnection device of the nuts are offered. SolutionsAs for disconnection device 10 of these nuts, in order single-bladed rotary blade 35,35 of pair, for even surface 35a side to oppose, placing specified interval, way blade equipped body of revolution the rotary roller between single-bladed rotary blades 35,35 of pair of 40 which possesses the slit 43 where the edge of 30 it is installed on common revolving shaft 31 and each single-bladed rotary blade 35 is interposed and blade equipped body of revolution 30, the thickness direction center section of the nuts is laid out, blade equipped body of revolution the nuts supply means 50 to which supplies the nuts with 30 and rotary roller 40It has with the nuts recovery means which recover the nuts which are disconnected, by blade equipped body of revolution 30 and rotary roller 40. < Choice figure >Drawing 4【課題】ナッツ類の厚さ方向中央部を、バラつきなく一定の厚さでカットすることができる、ナッツ類の切断方法及び切断装置を提供する。【解決手段】このナッツ類の切断装置10は、一対の片刃回転刃35,35が、平坦面35a側どうしが対向するように所定間隔をおいて、共通の回転軸31上に装着された刃付き回転体30と、各片刃回転刃35の刃先が挿入されるスリット43を有する回転ローラ40と、刃付き回転体30の一対の片刃回転刃35,35の間に、ナッツ類の厚さ方向中央部が配置されるように、刃付き回転体30と回転ローラ40との間にナッツ類を供給するナッツ類供給手段50と、刃付き回転体30及び回転ローラ40により切断されたナッツ類を回収するナッツ類回収手段とを備えている。【選択図】図4