Title:
PRESSURE WELDING AND JOINING EQUIPMENT
Document Type and Number:
Japanese Patent JP3781128
Kind Code:
B2
Abstract:
PURPOSE: To reduce a lapping area required when the pressure welding of rolled stocks is performed.
CONSTITUTION: The equipment consists of a cutting device 6 cutting the rear end of a preceding rolled stock 1a and the tip of a succeeding rolled stock 1b and the joining device 10 for rolled stock, which is installed on the downstream of this cutting device 6 and lapping the rear end part of the preceding rolled stock 1a with the tip part of the succeeding rolled stock 1b and performing the pressure welding of them. At least either of the rear end part of the preceding rolled stock and the tip part of the succeeding rolled stock is cut in a recessed circular-arc shape by the cutting device 6. The pressure welding of the rear end part of the preceding rolled stock and the tip part of the succeeding rolled stock is performed by the joining device 10 for rolled stock so that lapped length decreases toward the center from both ends in the breadthwise direction of a plate.
Inventors:
Nobuhiro Tazoe
Norio Iwanami
Masami Oki
Koichi Sakamoto
Norio Iwanami
Masami Oki
Koichi Sakamoto
Application Number:
JP5548395A
Publication Date:
May 31, 2006
Filing Date:
March 15, 1995
Export Citation:
Assignee:
Ishikawajima Harima Heavy Industries Co., Ltd.
International Classes:
B21B15/00; B23P11/00; (IPC1-7): B21B15/00; B23P11/00
Domestic Patent References:
| JP4322805A | ||||
| JP6335785A | ||||
| JP4333306A |
Attorney, Agent or Firm:
Minoru Hotta
Tomihisa Koyama
Shigeru Nara
Tomihisa Koyama
Shigeru Nara