PIPE JOINT METHOD
To provide a pipe joint method that can increase joint strength of a pipe member over the whole circumference when using an electromagnetic molding method.SOLUTION: A pipe joint method includes: applying an adhesive agent 44 to a joint part 50 of a P-seat pipe 10p; and after that, imparting electrom...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | To provide a pipe joint method that can increase joint strength of a pipe member over the whole circumference when using an electromagnetic molding method.SOLUTION: A pipe joint method includes: applying an adhesive agent 44 to a joint part 50 of a P-seat pipe 10p; and after that, imparting electromagnetic force to expand the pipe in the joint part 50 of the P-seat pipe 10p while the P-seat pipe 10p is inserted into a D-seat pipe 10d. Multiple projections 42 projecting outward in a radial direction are arranged along a circumferential direction in the joint part 50 of the P-seat pipe 10p.SELECTED DRAWING: Figure 5
【課題】電磁成形法を用いた場合において、パイプ部材の接合強度を全周にわたって高めることができるパイプ接合方法を提供する。【解決手段】P席パイプ10pの接合箇所50に接着剤44を塗布した後、P席パイプ10pをD席パイプ10dに差し込んだ状態で、P席パイプ10pの接合箇所50を拡管させるための電磁力を付与する。P席パイプ10pの接合箇所50には、径方向外側に向かって突出する複数の突出部42が周方向に沿って並設される。【選択図】図5 |
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