Safety device for closures
AssigneePuertas Roper S.L.
InventorMounir Maamar Eljannan
Life of this patent
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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).
Claims5
A safety device for closures, comprising:
- a casing that can be fastened in a closure;
- a bolt that is movable inside the casing;
- a stop that is integral to the bolt;
- a seal arranged in a fixed manner with respect to the casing;
- a spring in contact with the stop and arranged in a compressed manner in the casing due to the effect of the seal;
- wherein the seal is made of a material that is configured to change state at a preset temperature, such that when it changes state, the spring is free to move the bolt, passing through the seal until it projects outside the casing.
Dependencies are inferred from the claim text.