U-shaped binding element, its manufacture method and application

Abstract

A u-shaped binding element comprising a u-shaped element main body made of steel material or aluminium alloy which is molded by a tension process, wherein one or two up ends of the u-shaped element main body is or are wrapped with anti-drop adhesive tape; wherein if one up end of the u-shaped element main body is winded with the anti-drop adhesive tape, a single-side molding body is formed; if two ends of the u-shaped element main body are covered with are respectively winded with the anti-drop adhesive tape, a double-side molding body is formed, a wrapage is covered on an external surface of the single-side molding body or the double-side molding body to form the u-shaped binding element. Utilizing the binding sleeve and a binding machine is capable of quickly completing text sheet binding and effectively solving the first requirement of binding: convenient and reliable, so as to make the binding more reliable, fast and convenient.

Dependencies are inferred from the claim text.