JPS62142409U

JPS62142409U -

Info

Publication number: JPS62142409U
Application number: JP16664885U
Authority: JP
Priority date: 1985-10-31
Filing date: 1985-10-31
Publication date: 1987-09-08

Description

[Brief explanation of drawings]

第１図は本考案実施例の断面図、第２図は傾斜
体の断面図、第３図は実施例で得られたパイプの
断面図、第４図はパイプの溶着部に入り込んだデ
ツドメタルの量を示すグラフ、第５図は従来のダ
イスの背面図及び断面図、第６図はその上型の斜
視図、第７図はデツドメタルの状態を示す下型の
断面図。２０：ホローダイス、２１：ウエルデイングチ
ヤンバー、２３：傾斜体、２４：上型、２５：下
型。 Fig. 1 is a sectional view of an embodiment of the present invention, Fig. 2 is a sectional view of a tilted body, Fig. 3 is a sectional view of a pipe obtained in the embodiment, and Fig. 4 is a sectional view of dead metal that has entered the welded part of the pipe. 5 is a back view and a sectional view of a conventional die, FIG. 6 is a perspective view of the upper die, and FIG. 7 is a sectional view of the lower die showing the state of dead metal. 20: Hollow die, 21: Welding chamber, 23: Inclined body, 24: Upper mold, 25: Lower mold.

補正昭６２．４．１考案の名称を次のように補正する。考案の名称中空押出し形材用ホローダイスCorrection April 1, 1986 The name of the invention is amended as follows. Name of invention: Hollow die for hollow extruded shapes

Claims

[Claims for Utility Model Registration] (1) Consisting of a lower mold having a die hole that forms the outer shape of the hollow extruded shape, and an upper mold having a mandrel that forms the inner shape of the hollow extruded shape, In the case where the metal separated by the bridge that supports the mandrel is joined in the welding chamber and passed between the mandrel and the die hole to form a shape, there is a metal flow at the bottom of the welding chamber from the edge of the die hole toward the periphery. A hollow die characterized by having a tilted body arranged thereon. (2) Claims 1 or 2 for utility model registration in which a welding chamber is formed at the bottom of the upper mold
Hollow dice mentioned in section.