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US3664694A Apparatus for sewing together net sheets 失效
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Apparatus for sewing together net sheets
摘要:
A MACHINE FOR SEWING NET SHEETS TOGETHER INCLUDES A SHUTTLE CARRIER HAVING A SHUTTLE FOR JOINTING THREAD. A DEVICE IS PROVIDED FOR PULLING A LOOP OUT OF THE SHUTTLE AND A DEVICE IS PROVIDED FOR THREADING THE LOOP TAKEN THEREFROM THROUGH THE MESHES OF THE NET SHEETS. STILL FURTHER

THERE IS PROVIDED A MECHANISM FOR EXPANSION OF THE LOOP AND A MECHANISM FOR TIGHTENING THE KNOT FORMED AS A RESULT OF THE SHUTTLES PASSING THROUGH THE LOOP.
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