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    • 5. 发明公开
    • 단단한 적재코일로부터 강망 나선형 잠금봉합 튜빙을제조하는 기계
    • 生产膨胀金属螺旋封闭管道的机器从固体线圈
    • KR1020080048547A
    • 2008-06-02
    • KR1020087009476
    • 2006-09-08
    • 헬릭스 인터내셔널 인코퍼레이티드
    • 캐스트리컴빌헬무스
    • B21C37/12B21C37/06
    • B21C37/121B21C37/124B21C37/126B21C37/157B21D31/046Y10T29/185Y10T29/5185Y10T29/5197Y10T29/5198
    • An apparatus for expanding metal and forming tubing combines two metal-forming operations into a single process. Tubing, such as that used for filters, is desirably expanded so that air or liquid may pass thru "diamonds" formed in the tubing. Expanding metal and forming tubing is accomplished in a single, continuous process by first slitting and expanding the metal, and then locking its seams to form a spiral pipe. This avoids depending on vendors for delivery of expanded metal at fluctuating prices, eliminates intermediate steps of handling the coils, and eliminates rusting while the expanded steel coils await formation into tubing. Tubing made from expanded metal may be used for air filters, oil filters, water filters, separators and other types of filters. Double-wall HVAC ducting systems or silencers can also use expanded material for reducing heat transfer and noise.
    • 用于膨胀金属和成型管的装置将两个金属成形操作组合成单个工艺。 管道,例如用于过滤器的管道,理想地膨胀,使得空气或液体可以通过在管道中形成的“金刚石”。 通过首先切割和膨胀金属,然后锁定其接缝以形成螺旋管,在单一的连续过程中实现扩展金属和成形管。 这取决于供应商以波动的价格交付扩展金属,消除处理线圈的中间步骤,并且在膨胀的钢卷等待形成管时消除生锈。 用膨胀金属制成的管道可用于空气过滤器,滤油器,水过滤器,分离器和其他类型的过滤器。 双壁HVAC管道系统或消声器也可以使用膨胀材料来减少热传递和噪音。