JPH0314392U - - Google Patents

Description

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

図面は本考案の実施例を示すもので、第１図は
斜視図、第２図は正面図、第３図は展開状態の斜
視図、第４図は左右の管材の接合状態を示す縦断
面図、第５図は左右の管材の接合状態を示す他の
例の縦断面図、第６図は従来の管材接合用スリー
ブの接合状態を示す縦断面図、第７図は従来のス
リーブの接合状態を示す他の例の縦断面図、第８
図は第７図のスリーブの展開状態の平面図である
。 １……第１管材、２……第２管材、２１……ス
リーブ、２２……第１リブ部、２３……第２リブ
部。 The drawings show an embodiment of the present invention: Fig. 1 is a perspective view, Fig. 2 is a front view, Fig. 3 is a perspective view of the unfolded state, and Fig. 4 is a longitudinal cross-section showing the joined state of left and right pipe members. Fig. 5 is a longitudinal sectional view of another example showing the joining state of left and right pipe materials, Fig. 6 is a longitudinal sectional view showing the joining state of a conventional sleeve for joining pipe materials, and Fig. 7 is a longitudinal sectional view showing the joining state of a conventional sleeve for joining pipe materials. Longitudinal cross-sectional view of another example showing the state, No. 8
The figure is a plan view of the sleeve of FIG. 7 in an expanded state. DESCRIPTION OF SYMBOLS 1...First tube material, 2...Second tube material, 21...Sleeve, 22...First rib portion, 23...Second rib portion.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内径が異なる２本の管材の接合部分に内装され
る管材接合用スリーブであつて、長さ方向の略中
央部に外径が異なる２つのリブ部を突出状に形成
したことを特徴とする管材接合用スリーブ。 A pipe material joining sleeve that is installed at a joining portion of two pipe materials having different inner diameters, the pipe material being characterized in that two rib portions having different outer diameters are formed in a protruding shape approximately at the center in the length direction. Joining sleeve.