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    • 34. 发明授权
    • Method and device for producing a pipe
    • 用于生产管道的方法和装置
    • US08763250B2
    • 2014-07-01
    • US12519617
    • 2007-12-13
    • Thomas Zirkelbach
    • Thomas Zirkelbach
    • B21D51/16
    • B29C49/4802B29C49/50B29C2049/4807B29C2049/4812B29C2791/001B29C2793/009B29L2031/246F16L47/32F16L55/033
    • The present invention relates to a method for producing a pipe (1) which is provided in its wall (2) and between its ends with at least one channel (4) which passes through the wall (2), in which method a plastic pipe preform (16) is blow-moulded, wherein a protrusion (17) is provided for the channel (4), this protrusion lining the pipe preform (16) and having inside dimensions which are larger than the outside dimensions of the channel (4), in which method the pipe preform (16) in its as yet unsolidified state is squashed in the region of the protrusion (17) in such a way that a rough channel (21) communicating with the interior (3) of the pipe (1) is formed for the channel (4), this rough channel being closed at its end remote from the interior (3) of the pipe and having, apart from the desired channel length (7), the outside dimension of the channel (4), and in which method the squashed pipe preform (16) in its solidified state is cut in the region of the rough channel (21) in such a way that the channel (4) is then open and has the desired channel length (7).
    • 本发明涉及一种用于制造管道(1)的方法,该管道(1)在其壁(2)中并且在其端部之间具有穿过壁(2)的至少一个通道(4),其中塑料管 预成型件(16)是吹塑成型的,其中为通道(4)提供突起(17),该突起衬在管预成型件(16)上并且具有比通道(4)的外部尺寸大的内部尺寸, 在这种方法中,其尚未固化状态的管坯预成型件(16)在突起(17)的区域中被挤压,使得与管(1)的内部(3)连通的粗通道(21) )形成为通道(4),该粗通道在远离管道内部(3)的端部处封闭,并且除了期望的通道长度(7)之外,具有通道(4)的外部尺寸, ,并且在该方法中,处于其固化状态的挤压管坯(16)在粗通道(21)的区域中被切割 通道(4)然后打开并具有期望的通道长度(7)的方式。
    • 39. 发明授权
    • Process for manufacturing a composite ring
    • 复合环制造工艺
    • US08585947B2
    • 2013-11-19
    • US12223341
    • 2007-01-23
    • Jean-Paul MeraldiAntonio Delfino
    • Jean-Paul MeraldiAntonio Delfino
    • B29C67/00
    • B29C70/32B29B15/122B29C70/521B29C70/525B29C2791/001B29K2031/00B29K2067/06B29K2105/08B29L2030/00B60C7/143B60C7/16Y10T428/1372
    • A process for manufacturing a composite block of closed geometry, in the form of a continuous ring, based on fibers and on a crosslinkable resin, by continuous winding and superposition of several layers of a tape of reinforcement fibers embedded in a matrix based on a composition comprising a crosslinkable resin. The process comprises from upstream to downstream, the following steps: producing a rectilinear arrangement (12) of reinforcement fibers (11) and conveying this arrangement in a feed direction (F); degassing the arrangement (12) of fibers by the action of a vacuum (13); after degassing, impregnating said arrangement (12) of fibers under vacuum with said resin composition in the liquid state (17); passing the pre-preg thus obtained through a die (20) to make said pre-preg into the form of a tape (21) composed of reinforcement fibers (11) in their liquid resin (17) matrix, the thickness of said tape being less than 0.5 mm; depositing the tape (21) onto a support (23) dictating the final shape of the composite block and winding said tape (21) around said support (23), unidirectionally, by superposition of a predetermined number Nc of layers of said tape (21) in order to directly form said continuous ring on said support, Nc being less than 15; and once the continuous ring has thus been formed, subjecting the liquid resin to an at least partial polymerization (25) in order to stabilize said ring before removing it from its support (23).
    • 基于纤维和可交联树脂,通过连续缠绕和叠加嵌入基质中的多层增强纤维带,制造具有连续环形的闭合几何形状的复合块的方法,所述增强纤维带基于组合物 包含可交联树脂。 该方法包括从上游到下游,以下步骤:制造加强纤维(11)的直线布置(12)并沿进给方向(F)输送该布置; 通过真空(13)的作用使纤维的排列(12)脱气; 在脱气之后,使所述树脂组合物在液态(17)下真空浸渍所述纤维布置(12); 使如此获得的预浸料通过模具(20)使所述预浸料成为其液体树脂(17)基质中由增强纤维(11)构成的带(21)的形式,所述带的厚度为 小于0.5毫米; 将带(21)沉积到支撑体(23)上,该支撑件指示复合块的最终形状,并且通过将所述带(21)的预定数量的Nc层叠合在一起,将所述带(21)单向缠绕在所述支撑件 ),以便在所述载体上直接形成所述连续环,Nc小于15; 并且一旦形成了连续环,则使液体树脂进行至少部分聚合(25),以便在将其从载体(23)中除去之前使其稳定。