BOLT WITH TEAR-AWAY HEAD
FIELD: machine engineering, namely construction of unscrewing proof threaded-joint articles. SUBSTANCE: bolt includes threaded rod, head adjoining to rod, tear-away head joined with main head by connection member and having cylindrical opening. Connection member is in the form of ring whose inner di...
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Format: | Patent |
Sprache: | eng ; rus |
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Zusammenfassung: | FIELD: machine engineering, namely construction of unscrewing proof threaded-joint articles. SUBSTANCE: bolt includes threaded rod, head adjoining to rod, tear-away head joined with main head by connection member and having cylindrical opening. Connection member is in the form of ring whose inner diameter is equal to or more than diameter of threaded rod. Main head may have recess for correct orientation of drill. EFFECT: lowered labor consumption for dismounting bolt without tear-away head by means of drill. 4 cl, 2 dwg |
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