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3. 发明授权

US4488334A U-bolt clamp saddle construction and method of manufacture 失效
标题翻译： U型螺栓夹具鞍座结构及其制造方法
公开(公告)号：US4488334A
公开(公告)日：1984-12-18
申请号：US338698
申请日：1982-01-11
申请人： Ronald D. Goforth
发明人： Ronald D. Goforth
IPC分类号： F16L25/04 , F16L33/10
CPC分类号： F16L25/04 , F01N13/1805 , F01N2450/24 , Y10T24/1437
摘要： A U-bolt clamp saddle construction is disclosed particularly adapted for applications such as clamping catalytic converter pipe connections requiring a rigid saddle. The saddle clamp is of two-piece welded construction, each piece being formed of sheet steel with a square-sided channel on either side, each piece also having an intermediate web having a semicircular cutout adapted to engage the pipe diameter to be clamped. The outer edges of each of the channels are abutted by positioning the pieces together, which pieces are then welded at weld projections located along the edges and on the web to form a high strength flangeless saddle construction for maximum clearance at installation of the clamp. The square-sided channel allows clearance for weld flash, while enabling standard sized nuts to be used. A tab portion is formed on one of the pieces which is folded about the bottom edge and against the face of the other piece to create rigidity of the saddle during clamping adequate for good sealing pressure while affording sufficient yieldability for optimum interfitting with the pipe connection to be clamped.
摘要翻译：公开了一种U形螺栓夹具鞍座结构，特别适用于需要刚性鞍座的夹紧催化转化器管连接件。鞍形夹具为两件式焊接结构，每片由两边形方形通道的钢板形成，每片均具有中间腹板，该中间腹板具有适于接合待夹紧的管道直径的半圆形切口。每个通道的外边缘通过将这些件定位在一起而邻接，然后将这些件焊接在沿着边缘和在幅材上的焊接凸起处，以形成在安装夹具时最大间隙的高强度无法兰的马鞍结构。方形通道允许焊接闪光的间隙，同时使用标准尺寸的螺母。在其中一个片上形成突片部分，折叠部分围绕底部边缘折叠并抵靠另一个部件的表面，以在夹持期间产生鞍座的刚度，足以提供良好的密封压力，同时提供足够的屈服强度，以最佳地与管道连接相配合被夹紧

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