| 摘要 |
AN END STRUCTURE OF A SPIRAL HOSE WHICH HAS A SPIRAL HOSE WITH A RIDGE AND A GROOVE ON ITS INNER AND OUTER SURFACES RESPECTIVELY, A JOINT PIPE WHICH HAS, ON ITS INNER SURFACE, A THREAD ENGAGED WITH THE RIDGE AND GROOVE OF THE SPIRAL HOSE AND WHICH IS ATTACHED TO AN END OF THE SPIRAL HOSE, AND AN INNER SLEEVE WHICH IS INSERTED IN THE SPIRAL HOSE AT THE END SO AS TO PRESS THE END OF THE SPIRAL HOSE OUTWARD CIRCUMFERENTIALLY AGAINTS THE JOINT PIPE.
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