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    • 9. 发明授权
    • Steam press drawing ambient air in heat exchange with steam through a
workpiece and having two pressing positions and having movable split
head and back portions
    • 蒸汽压机将环境空气通过工件与蒸汽热交换并具有两个按压位置并具有可移动的分开的头部和后部
    • US5014453A
    • 1991-05-14
    • US425534
    • 1989-10-23
    • Jack M. Gratsch
    • Jack M. Gratsch
    • D06F71/00
    • D06F71/00
    • An improved head and buck for a fabric pressing machine, each comprising a hollow casting. The head has an upper steam chamber and a lower spray chamber. A cowling surrounds the head steam chamber, having air intake holes at one end and an air valve near its other end directly connecting the cowling to the spray chamber. The head has a resilient peripheral sealing element engaging a peripheral rim on the buck when the head is closed thereagainst. The buck has a vacuum valve connecting the buck to a source of vacuum. With the head sealed about the buck, air in heat exchange with the head steam chamber within the cowling can be drawn through the workpiece during the drying step of the pressing cycle by opening the buck vacuum valve. The buck is provided with a grid plate, pad and cover assembly which is divided longitudinally into front and rear halves. The front half is fixed on the buck and the rear half is shiftable toward and away therefrom to apply tension to a workpiece transversely of a longitudinal seam therein. In another embodiment both buck halves are shiftable toward and away from each other. The head is made in two longitudinal halves shiftable toward and away from each other. When pressed against the workpiece and the buck, the head halves may be shifted away from each other producing a similar shift in the buck assemblies to apply tension to the workpiece transversely of a seam therein.
    • 一种用于织物压制机的改进的头和降压,每个包括中空铸件。 头部具有上部蒸汽室和下部喷雾室。 整流罩围绕头部蒸汽室,一端具有进气孔,另一端附近的空气阀将整流罩直接连接到喷雾室。 头部具有弹性的外围密封元件,当头部被封闭时,该外围密封元件与降压片上的周边边缘接合。 降压器具有将降压器连接到真空源的真空阀。 当头部围绕降压密封时,通过打开降压真空阀,可以在挤压循环的干燥步骤期间通过工件吸入与罩内的头部蒸汽室进行热交换的空气。 降压器设置有纵向分成前半部和后半部的格板,垫和盖组件。 前半部分固定在降压板上,后半部分能够朝向和远离其移动,以向其横向于纵向接缝的工件施加张力。 在另一个实施例中,两个凹部可以相互朝向和远离彼此移动。 头部制成两个纵向半部分可以彼此移动并远离彼此。 当压靠工件和降压时,头半部可以彼此偏离,从而在降压组件中产生相似的移动,以向横向上的接缝的工件施加张力。