JPS61152327U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例を示す要部正面図、
第２図は本考案の他の実施例を示す要部正面図、
第３図は一般の電縫鋼管製造ラインを示す配置図
、第４図ＡおよびＢは従来の成形ロール装置を示
す要部正面図、第５図ＡおよびＢは従来の他の成
形ロール装置を示す要部正面図、第５図Ｃは従来
の成形ロール装置における成形不良状態を示す拡
大図である。 １……帯板、１０，２０……成形ロール装置、
１１，２１……成形ロール、１３，２３……成形
領域、１４，２４……エツジ端面、１５，２５…
…シヨルダー部。 FIG. 1 is a front view of essential parts showing an embodiment of the present invention;
FIG. 2 is a front view of main parts showing another embodiment of the present invention;
Fig. 3 is a layout diagram showing a general electric resistance welded steel pipe production line, Fig. 4 A and B are front views of main parts showing a conventional forming roll device, and Fig. 5 A and B are other conventional forming roll devices. The main part front view shown in FIG. 5C is an enlarged view showing a defective forming state in a conventional forming roll device. 1... Strip plate, 10, 20... Forming roll device,
11, 21... Forming roll, 13, 23... Forming area, 14, 24... Edge end surface, 15, 25...
...shoulder section.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 上下一対の成形ロールにより、帯板を曲げ成形
する電縫管製造用成形ロール装置において、上成
形ロールの成形領域の両側部に、該成形領域によ
つて成形中の帯板のエツジ端面に略平行となるシ
ヨルダー部を設けたことを特徴とする電縫管製造
用成形ロール装置。 In a forming roll device for manufacturing an ERW tube that bends and forms a strip using a pair of upper and lower forming rolls, approximately the edge end surface of the strip being formed is formed by the forming region on both sides of the forming area of the upper forming roll. A forming roll device for manufacturing electric resistance welded pipes, characterized in that parallel shoulder portions are provided.