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    • 1. 发明授权
    • Gas assisted co-extrusion apparatus and process for forming foods
    • 气体辅助共挤出设备和食品成型工艺
    • US08944798B2
    • 2015-02-03
    • US13161735
    • 2011-06-16
    • Norbert GimmlerHelbert David Almeida DominguezCharles BernathCharles A. SmithPenny Engle
    • Norbert GimmlerHelbert David Almeida DominguezCharles BernathCharles A. SmithTerry Engle
    • B29C47/06A21C11/16A23P1/12B29C47/00B29C47/30B29C47/04B29C47/86
    • B29C47/06A21C11/163A23P30/25B29C47/0011B29C47/0023B29C47/043B29C47/30B29C47/864
    • A gas assisted co-extrusion apparatus includes a co-extrusion die in communication with an extruder. A nozzle that is defined by a bore in the co-extrusion die extends about a nozzle axis to a nozzle exit of the co-extrusion die. An injector extends through the bore of the co-extrusion die along the nozzle axis. The injector and nozzle together form a dough into a rope that is tubular with a wall portion and an inner cavity surrounded by the wall portion as the dough is extruded out of the nozzle exit and about the injector. A compressed gas source provides a compressed gas out of an injector outlet and into the inner cavity of the rope to radially stretch the wall portion of the rope as the rope is dispersed from the injector. The co-extrusion die is spaced from the extruder to define a void therebetween. A delivery system delivers an entrainable material to the compressed gas in a pipe. The pipe is connected to an injector inlet of the injector in the void. This allows the pipe to operate within the ambient temperature of the environment and for the entrainable material to be entrained into the compressed gas prior to being introduced into the injector.
    • 气体辅助共挤出装置包括与挤出机连通的共挤出模头。 由共挤出模具中的孔限定的喷嘴围绕喷嘴轴线延伸到共挤出模头的喷嘴出口。 喷射器沿着喷嘴轴线延伸穿过共挤出模头的孔。 注射器和喷嘴一起形成一根绳,该绳索是具有壁部分的管状的,并且当面团从喷嘴出口和喷射器周围挤出时,内壁由壁部分包围。 压缩气体源将喷射器出口中的压缩气体提供到绳索的内腔中,以在绳索从喷射器分散时径向拉伸绳索的壁部分。 共挤出模具与挤出机间隔开以在它们之间形成空隙。 输送系统将可夹带材料输送到管道中的压缩气体。 管道在空隙中连接到注射器的注射器入口。 这允许管道在环境的环境温度下操作,并且在引入到喷射器中之前将可夹带材料夹带到压缩气体中。