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    • 51. 发明授权
    • Balanced flow cross-head
    • 平衡流十字头
    • US3965931A
    • 1976-06-29
    • US605637
    • 1975-08-18
    • Max Skobel
    • Max Skobel
    • B29C47/28B29C47/70B29F3/02
    • B29C47/702B29C47/28B29C47/362B29C47/70B29C47/705B29C47/0009B29C47/20Y10T137/85938
    • This application describes a cross-head for directing flowable polymeric materials 90.degree. from the axis of an extruder or similar pressure source and providing substantially uniform pressure patterns at the cross-head output. This is accomplished by dividing and subdividing the stream entering the cross-head, each subdivision taking place on an axis of pressure symmetry and each substream being twisted 90.degree. before reaching its next point of subdivision. The subdivision and twists are accomplished by mounting twisted pieces of flat bar stock in the conduit carrying the stream or substream, each piece having its input end positioned on the axis of symmetry of the stream at the point of stream division.
    • 该应用描述了用于将可流动聚合物材料从挤出机的轴线或类似的压力源引导90°的十字头,并在十字头输出端提供基本上均匀的压力图案。 这是通过划分和分割进入十字头的流来实现的,每个细分发生在压力对称轴上,并且每个子流在达到其下一个细分之前扭转90°。 细分和扭曲是通过将扭转的扁平杆坯料安装在承载流或子流的导管中来实现的,每个片段的输入端位于流分离点处的流的对称轴上。
    • 54. 发明授权
    • Method for extruding a foamed, molded article
    • 挤出泡沫塑料制品的方法
    • US3857914A
    • 1974-12-31
    • US24971572
    • 1972-05-01
    • ASAHI CHEMICAL IND
    • AISHIMA ISAKURA HSHIMIZU H
    • B29C44/46B29C47/70B29D23/04B29D27/00
    • B29C47/702B29C44/468B29C47/0021Y10S264/13
    • A foamed, molded article having a skin core structure in which a skin layer is in a substantially unexpanded state and a core layer is in substantially expanded state. The article is prepared by introducing a flowable, expandable thermoplastic resin into a casting means having a plurality of partitioned passages, and externally cooling the passage containing the skin layer to solidify the skin layer substantially when it exits from the casting means while the material of the core layer is discharged from the casting means into a region of lower pressure to expand and become integrated with the solidified skin layer, forming the expansible or expanded resin having different expansibility or different degree of expansion from one another in the passages, and extruding the resin integrally.
    • 一种具有皮肤核心结构的发泡的模制品,其中皮肤层处于基本上未膨胀的状态,并且芯层处于基本上膨胀的状态。 该制品通过将可流动的可发泡热塑性树脂引入到具有多个分隔通道的铸造装置中,并且外部冷却包含表皮层的通道,以使其基本上从浇铸装置离开时使表皮层固化,同时 芯层从铸造装置排出到低压区域以膨胀并与固化的表皮层一体化,在通道中形成彼此不同膨胀度或不同膨胀程度的可膨胀或膨胀树脂,并挤出树脂 一体化