JPS6175582U - - Google Patents

Description

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

第１図は本考案の第１の実施例を示す一部切欠
正面図、第２図はその左側面図、第３図及び第４
図はその使用状態を示す一部切欠正面図、第５図
は第４図の要部の拡大断面図、第６図及び第７図
は本考案の第２、第３の実施例を示す一部切欠正
面図、第８図は従来のものの使用状態を示す要部
の断面図である。 １：一方の端面、２：喰込部、３：当接部、２
０：挿入管。 Figure 1 is a partially cutaway front view showing the first embodiment of the present invention, Figure 2 is its left side view, Figures 3 and 4.
5 is an enlarged sectional view of the main part of FIG. 4, and FIGS. 6 and 7 are views showing second and third embodiments of the present invention. FIG. 8 is a partially cutaway front view and a cross-sectional view of the main part showing the conventional device in use. 1: One end surface, 2: Biting part, 3: Contact part, 2
0: Insertion tube.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一方の端面１に隣接する内周面に挿入管２０の
外表面に喰込む尖鋭な喰込部２を突設するととも
に、該喰込部２から幅方向に喰込み深さの数倍以
上離れた内周面を挿入管２０の外表面への当接部
３としたことを特徴とする管材接合部の引抜け防
止用Ｃ形環金。 A sharp biting part 2 that bites into the outer surface of the insertion tube 20 is provided protrudingly on the inner circumferential surface adjacent to one end face 1, and is spaced from the biting part 2 in the width direction by several times the biting depth or more. A C-shaped ring for preventing pull-out of a pipe joint part, characterized in that the inner circumferential surface thereof is a contact part 3 to the outer surface of an insertion tube 20.