UNFOLDING ANCHOR AND METHOD OF MANUFACTURING UNFOLDING PIN TO BE USED FOR THE SAME

摘要

PROBLEM TO BE SOLVED: To provide an unfolding anchor having reduced manufacturing cost, and to provide a method of manufacturing an unfolding pin to be used for the same.;SOLUTION: The unfolding anchor comprises a cylindrical body 1 having an unfoldable portion at the front end and the unfolding pin 2 to be inserted into the front end of the cylindrical body 1 to engage with the cylindrical body 1. The unfolding pin is arranged on a bottom portion 202 of a fixing hole 201 provided at an anchor mounting position. Force is applied from the base end side of the cylindrical body 1 for unfolding the unfoldable portion of the cylindrical body 1. The unfolding pin 2 has a hollow portion 23 which is opened at the base end side of the unfolding pin 2 and closed at the front end side thereof.;COPYRIGHT: (C)2006,JPO&NCIPI