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Towards the end of the 1940s, the first snap-action caps began to spread (one of the first companies to use them was the [[Matador]] with the [[Matador-Click]] model of 1949), which later became very common and still widely used. In this case, the quality of the mechanism is essential to ensure the long-term maintenance of the cap closure.

Towards the end of the 1940s, the first snap-action caps began to spread (one of the first companies to use them was the [[Matador]] with the [[Matador-Click]] model of 1949), which later became very common and still widely used. In this case, the quality of the mechanism is essential to ensure the long-term maintenance of the cap closure. A photo gallery can be found on [[Cap_Gallery|this page]].

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==Related Patents===

==Related Patents===