| 摘要 |
PURPOSE: A bow limb is provided to reduce the weight by forming a hollow portion in a foam layer and installing a carbon core having a half-moon shaped section. CONSTITUTION: A bow limb(100) is composed of a form(10), a carbon layer(20a), a carbon fiber layer(30), and a carbon layer(20b). The form is made of wood or stone material. The carbon layer is welded on the front around the form. The carbon fiber layer and the carbon layer are contacted to the rear in order. The carbon core is longitudinally installed in the form. The carbon core comprises two or more hollows.
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