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    • 101. 发明申请
    • Grooved forming roll
    • 凹槽成型辊
    • US20050176566A1
    • 2005-08-11
    • US11054120
    • 2005-02-09
    • Juhani VestolaHeikki Karttunen
    • Juhani VestolaHeikki Karttunen
    • D21F1/40D21F3/10B21B1/40E01C19/23
    • D21F3/105
    • A grooved forming roll in a paper machine has a rotably supported shell (20) with circular openings (21) arranged to be open at least on the outer surface of the shell (20). Each opening (21) has a circular groove is formed on the outer surface arranged concentrically relative to the opening (21). A portion of the formed circular openings (22) extends to each opening (21) from each adjacent opening (21). The outer radius (r) of the circular groove (22) is arranged such that the number of necks (24), delimited by the adjacent openings (21) and their circular grooves (22) on the shell outer surface within the area of one circular groove (22), is greater than the number of the adjacent openings (21) of the corresponding opening (21).
    • 造纸机中的带槽成形辊具有可旋转地支撑的壳体(20),其具有设置成至少在壳体(20)的外表面上开口的圆形开口(21)。 每个开口(21)上的圆形槽形成在相对于开口(21)同心设置的外表面上。 形成的圆形开口(22)的一部分从每个相邻的开口(21)延伸到每个开口(21)。 圆形槽22的外半径(r)被布置为使得由相邻开口(21)限定的颈部(24)的数量和其外壳外表面上的圆形槽(22)在一个区域内 圆形槽(22)大于相应开口(21)的相邻开口(21)的数量。
    • 109. 发明授权
    • Method for production of thin sections of reactive metals
    • 生产反应性金属薄层的方法
    • US5121535A
    • 1992-06-16
    • US284046
    • 1988-12-14
    • Jerome P. WittenauerBruno Walser
    • Jerome P. WittenauerBruno Walser
    • B21B1/40B21B1/38B21B3/00B21D33/00
    • B21B1/38B21B3/00Y10T29/304Y10T29/305Y10T29/308Y10T29/4981
    • A method of forming thin metal sections of reactive metals which prevents high-temperature accelerated corrosion during hot working. The reactive metal section is placed in a non-reactive metal frame. Two non-reactive metal sections are machined to form depressions in which a release agent is deposited. The framed reactive metal section is interleaved between the two non-reactive metal sections such that the release agent is interposed between the principal surfaces of the reactive metal section and the non-reactive metal sections. The assembly is then clamped and welded together along the perimeter. The laminate structure is hot worked as by hot rolling to the desired gauge. The release agent flows to form a continuous barrier during hot working which prevents bonding of the non-reactive sections to the reactive metal section. Since the reactive metal section is encapsulated in a non-reactive metal jacket, oxidation and other degradation of the reactive metal section during hot working is prevented. When the formed assembly is cooled after hot working, the edges of the assembly are sheared off, and the protective metal jacket is stripped from the formed reactive metal section by virtue of the release agent.
    • 形成活性金属的薄金属部分的方法,其防止热加工期间的高温加速腐蚀​​。 无功金属部分放置在非反应性金属框架中。 加工两个非反应性金属部分以形成其中沉积脱模剂的凹陷。 框架的反应金属部分交错在两个非反应性金属部分之间,使得脱模剂介于反应性金属部分的主表面和非反应性金属部分之间。 然后将组件沿着周边夹紧并焊接在一起。 层压结构通过热轧到所需的规格进行热加工。 脱模剂在热加工期间流动形成连续的阻挡层,从而防止非反应部分与反应性金属部分的接合。 由于反应性金属部分被封装在非反应性金属护套中,所以防止了热加工期间反应性金属部分的氧化和其它降解。 当成型组件在热加工后被冷却时,组件的边缘被剪切掉,并且由于脱模剂将保护金属护套从形成的反应性金属部分剥离。