JPS62199274U

JPS62199274U -

Info

Publication number: JPS62199274U
Application number: JP8658386U
Authority: JP
Priority date: 1986-06-09
Filing date: 1986-06-09
Publication date: 1987-12-18

Description

[Brief explanation of the drawing]

第１図〜第３図は本考案の一実施例であり、第
１図はシール治具を配管内に挿着した状態を示す
側断面図、第２図は第１図のＡ―Ａ部断面図、第
３図は第１図のＢ―Ｂ部断面図である。１……シール治具、５……供給室、６……吸引
室、７ａ，７ｂ……遮蔽板、８ａ，８ｂ……凹状
溝、９ａ，９ｂ……シールリング、１０ａ，１０
ｂ……通気孔、１１……吸引孔、１４……給気管
、１５……吸引管。 Figures 1 to 3 show an embodiment of the present invention, with Figure 1 being a side cross-sectional view showing the sealing jig inserted into the pipe, and Figure 2 showing the section A-A in Figure 1. 3 is a sectional view taken along the line BB in FIG. 1. DESCRIPTION OF SYMBOLS 1... Seal jig, 5... Supply chamber, 6... Suction chamber, 7a, 7b... Shielding plate, 8a, 8b... Concave groove, 9a, 9b... Seal ring, 10a, 10
b...Vent hole, 11...Suction hole, 14...Air supply pipe, 15...Suction pipe.

Claims

[Scope of utility model registration request]

The interior of the cylindrical body is divided radially to form a supply chamber and a suction chamber that are adjacent to each other, and a concave groove having an opening toward the outer periphery is provided on the periphery of a shielding plate forming both end surfaces of the cylindrical body. A seal ring having a U-shaped cross section is attached to the concave groove with its open sides facing inward, and the supply chamber and the concave groove are communicated through a ventilation hole, and a seal ring is provided on the outer peripheral surface of the suction chamber. A sealing jig for piping welding that has a suction hole and further connects an air supply pipe to the supply chamber and a suction pipe to the suction chamber.