Patent ID: 7937983
Filing Date: 2011-05-10
Classification: B21D

Abstract:
1. A curved surface forming apparatus comprising: a first member to be curved; a second member which is placed with a distance from the first member and holds the first member; at least one spacer disposed between the first member and the second member, the spacer holding movably the second member and including a contact portion configured to be in contact with the first member, to maintain the distance between the first member and the second member; and a pressurizing mechanism which pressurizes the first member and the second member and curves at least a part of the first member at least toward the second member, wherein the first member and the second member include elongated members respectively which are arranged in parallel to each other, the spacer is placed at a central portion of each of the first member and the second member, and the pressurizing mechanism pressurizes both ends of the first member and the second member.