ITFI930014V0 -
AN ELEMENT TO SCREW A LAMPHOLDER TO THE STEM OR TIGE IN SUPPORT OF THE LAMPHOLDER ITSELF AND TO PREVENT THE ACCIDENTAL RELATIVE UNSCREWING.
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AN ELEMENT TO SCREW A LAMPHOLDER TO THE STEM OR TIGE IN SUPPORT OF THE LAMPHOLDER ITSELF AND TO PREVENT THE ACCIDENTAL RELATIVE UNSCREWING.
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Application filed by Luca RossignolifiledCriticalLuca Rossignoli
Priority to IT93FI000014priorityCriticalpatent/IT231638Y1/en
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IT93FI0000141993-02-151993-02-15
ELEMENT TO SCREW A LAMPHOLDER TO THE STEM OR TIGE TO SUPPORT THE LAMPHOLDER ITSELF AND TO PREVENT THE ACCIDENTAL
IT231638Y1
(en)
CLOSING DEVICE CONSISTING OF TWO CIROCLAR ELEMENTS WITH CENTRAL SCREW AND NUT AND OF AN ANNULAR GASKET SO THAT, BY ACTIVATING THE SCREW SUITABLE TO TIGHTEN THE DISCS, THE RING UNDERGOS AN EXPANSION OR DEFORMATION SUFFICIENT TO HERMETIC CLOSE A CONTAINER.