PROTECTION OF MAGNETIC CASSETTE TAPE USING PERFLUOROPOLYETHEREAL FLUID

PROTECTION OF MAGNETIC CASSETTE TAPE USING PERFLUOROPOLYETHEREAL FLUID

Process for protecting magnetic tapes, during their operation, from the friction and wear caused by the contact with accessories, metallic or non-­metallic, forming the cassette which contains said tapes, characterized in that said accessories are lubricated with a neutral perfluoropolyether­eal flu...

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Hauptverfasser: LUIGI SALVIOLI, MARIO ALBERTO SCARATI, PIERO GIUNTI, GIAN MARIA SIGISMONDI, CARLO TOGNONI
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PHYSICS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator LUIGI SALVIOLI
MARIO ALBERTO SCARATI
PIERO GIUNTI
GIAN MARIA SIGISMONDI
CARLO TOGNONI
description Process for protecting magnetic tapes, during their operation, from the friction and wear caused by the contact with accessories, metallic or non-­metallic, forming the cassette which contains said tapes, characterized in that said accessories are lubricated with a neutral perfluoropolyether­eal fluid or with a perfluoropolyethereal fluid having functional groups at one or both ends of the polymeric chain.
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language eng
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PHYSICS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title PROTECTION OF MAGNETIC CASSETTE TAPE USING PERFLUOROPOLYETHEREAL FLUID
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