SAFETY DEVICE FOR CLOSURES
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United States of America Patent
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Issued Date -
Oct 4, 2018
app pub date -
Mar 30, 2018
filing date -
Mar 30, 2018
priority date (Note) -
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Abstract
A safety device for closures that comprises, a casing (6) that can be fastened in a closure, a bolt (4) that is movable inside the casing (6), a stop (4.1) that is integral to the bolt (4), a seal (2) arranged in a fixed manner with respect to the casing (6), a spring (5) in contact with the stop (4.1) and arranged in a compressed manner in the casing (6) due to the effect of the seal (2); wherein the seal (2) is made of a material that is configured to change state at a preset temperature, such that when it changes state, the spring (5) is free to move the bolt (4), passing through the seal (2) until it projects outside the casing (6).
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