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Hermetically sealed zip fastener with slider which grips the teeth supporting strips
Hermetically sealed zip fastener with slider which grips the teeth supporting strips
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机译:带有拉链的气密拉链扣紧了牙齿支撑条
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摘要
A hermetically sealed zip fastener includes two rows of facing teeth mounted on two strips of compressively elastic material, the teeth being joined and disengaged by a movable slider which can be displaced by gripping its outwardly projecting gripping member. On opposite sides of the strips, the slider has first and second concave capsules, substantially mirror-images of each other, arranged with the perimetral edges of their concavities opposite and facing each other, the first capsule having directed upwards a pin perpendicular thereto and able to slide perpendicularly through a cavity inside the slider and through a hole in the second capsule. The gripping member, when actuated, causes simultaneous displacement of the first towards the second capsule and of the second towards the first capsule perpendicular to the plane of the zip fastener, moving end parts of their perimetral edges together sufficient to grip between them, with desired pressure, the strips.
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