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    • 26. 发明申请
    • Negative creep corrugated gasket and methods of manufacturing same
    • 负波纹瓦楞垫圈及其制造方法相同
    • US20120286480A1
    • 2012-11-15
    • US13506589
    • 2012-05-01
    • Anatoly Ivanovich Efremov
    • Anatoly Ivanovich Efremov
    • F16L17/00B21D5/06B21D22/00F16J15/02B23C3/28
    • F16J15/0806F16J15/0818F16L23/20Y10T409/303752
    • A “negative creep” corrugated gasket of Shape Memory Alloy (SMA) for Bolted Flanged Connections (BFCs) operates under temperatures that are within the temperature interval of reverse martensitic phase transformation from martensite to austenite of the SMA. Gasket corrugation is shape-memorized to operating “swelling” at temperature of direct martensitic phase transformation from austenite to martensite of the SMA being compressed to obtain some quantity of residual contraction corresponding to stress-induced martensite formation. A free “swelling” of deformed gasket corrugation at operating temperature defines the “negative creep” effect of the gasket, and it is blocked by rigid flanges with appearance of reactive shape-recovering stresses between the gasket corrugation and flange surfaces. The reactive shape-recovering stresses have direction inverse to the direction of operating creep of the gasket providing leak-tight, multiple, automatic and continuous seal between the flanges of the BFC. Methods of manufacturing of “negative creep” corrugated gasket are disclosed.
    • 用于螺栓法兰连接(BFC)的形状记忆合金(SMA)的负蠕变波纹垫圈在温度范围内工作,温度范围是从马氏体到SMA的奥氏体反向马氏体相转变的温度区间。 垫片波纹形状记忆为在被压缩的SMA的奥氏体到马氏体的直接马氏体相变的温度下的操作膨胀,以获得对应于应力诱发的马氏体形成的一定量的残余收缩。 在工作温度下,变形垫片波纹的自由膨胀限定了垫圈的负蠕变效应,并且被刚性法兰阻挡,在垫圈波纹和法兰表面之间出现反应形状恢复应力。 反应形状恢复应力具有与垫片的操作蠕变方向相反的方向,从而在BFC的凸缘之间提供密封,多重,自动和连续的密封。 公开了负蠕变波纹垫片的制造方法。
    • 28. 发明授权
    • Corrugating machine
    • 波纹机
    • US6042359A
    • 2000-03-28
    • US968428
    • 1997-11-12
    • Albert CostiMichel Buchy
    • Albert CostiMichel Buchy
    • B21D13/06B21D5/06B31F1/30B29C53/28
    • E04D12/00B31F1/305
    • The invention consists of a corrugating machine comprising a plurality of corrugating bars (6) fixed to an endless chain (5) rotatably driven and a plurality of support bars (13) for the material to be corrugated (10) driven in translation and perpendicular to their direction of movement, a part (42) of the endless chain being opposite the plane of said support bars, the corrugating bars and the corresponding support bars interpenetrating one another, wherein the corrugating bars (6) are movable in translation with respect to the endless chain (5), their movements being made approximately perpendicular to the plane of the support bars, when they are opposite said plane.
    • 本发明包括一种瓦楞机器,其包括多个可旋转地驱动的环形链条(5)的瓦楞条(6),以及多个用于待翻转和垂直于波纹的波纹材料(10)的支撑杆(13) 它们的运动方向,环形链条的一部分(42)与所述支撑杆的平面相对,所述波纹条和相应的支撑条彼此互穿,其中所述波纹条(6)可相对于 环形链条(5),当它们与所述平面相对时,它们的运动大致垂直于支撑杆的平面。
    • 29. 发明授权
    • Angle bender & method
    • 角度弯曲和方法
    • US5515706A
    • 1996-05-14
    • US294100
    • 1994-08-22
    • David R. Paul
    • David R. Paul
    • B21D5/06
    • B21D5/06
    • A portable angle bender for strip metal. The bender has a shallow U-shaped base having a bending fixture mounted to two upstanding side walls. The bending fixture has two guide members joined at a hinge and pivotally attached to the base on their other ends. One guide member pivots about a fixed axis, while the other may slide relative the base to alter the included angle of the fixture. Each guide member has a slider plate mounted thereunder to form a gap with a top plate to which the central hinge is attached. The gaps are open toward the hinge so as to enable endwise insertion of an angled strip of metal into the fixture. The slider members are constructed of a non-stick material, and the gap is dimensioned to facilitate advancement of the strip through the fixture. A quick-release locking nut is utilized for adjustments to the bending angle, and an indicator is mounted to one of the guide members for registration with a series of angle markings inscribed on the base.
    • 便携式弯管机,用于带状金属。 弯曲机具有浅的U形基座,其具有安装到两个直立的侧壁的弯曲夹具。 弯曲夹具具有在铰链处连接并在其另一端枢转地附接到基部的两个引导构件。 一个引导构件围绕固定的轴线枢转,而另一个引导构件可相对于基座滑动以改变固定装置的夹角。 每个引导构件具有安装在其下方的滑块板,以与安装中心铰链的顶板形成间隙。 间隙朝向铰链敞开,以便能够将成角度的金属条插入固定装置。 滑块构件由不粘材料构成,并且该间隙的尺寸被设计成便于条带通过夹具的前进。 用于调节弯曲角度的快速释放锁定螺母,并且指示器安装到一个引导构件,用于与内嵌在基座上的一系列角度标记配准。
    • 30. 发明授权
    • Coupling for shoulder ended pipes
    • 肩端管接头
    • US5390523A
    • 1995-02-21
    • US40351
    • 1993-03-30
    • Michael R. Corbett
    • Michael R. Corbett
    • B21K1/16F16L21/06B21D5/06
    • B21K1/16F16L21/06
    • A method of producing a coupling for pipes includes the steps of subjecting a predetermined length of desired cross-sectional profiled material to a bending process in a mould having a semi-circular portion to form an item of semi-circular shape; forming bent ends of predetermined size on the profiled material; and then coining the bent ends to lie in an identical horizontal plane as a horizontal diameter of the item of semi-circular shape. The coining step is accompanied by a substep of forcing excess material from the predetermined length of profiled material into a zone between the semi-circular portion of the mould and the bent ends of predetermined size on the profiled material.
    • 用于管道的联接器的制造方法包括以下步骤:在具有半圆形部分的模具中对预定长度的期望的横截面成形材料进行弯曲加工,以形成半圆形的物品; 在成型材料上形成预定尺寸的弯曲端部; 然后将弯曲的端部压制成与半圆形物品的水平直径相同的水平面。 压印步骤伴随有一个子步骤,其将多余的材料从预定长度的成型材料挤压到模具的半圆形部分与预型尺寸的弯曲端部之间的区域上。