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    • 34. 发明授权
    • Process for making decorative grass
    • 制作装饰草的工艺
    • US4292266A
    • 1981-09-29
    • US74750
    • 1979-09-12
    • Erwin H. WederDonald E. Weder
    • Erwin H. WederDonald E. Weder
    • A41G1/00D01D5/42B29C17/14
    • D01D5/42A41G1/009Y10S264/47
    • Methods and apparatuses for making decorative grass or grass-like product in the form of strips of plastic material of predetermined dimensional characteristics having color, anti-static agents and flame retardants incorporated therein prior to extrusion of the resin thereby preventing rub off of the color and minimizing clinging of grass to the hands and clothes of a decorator. One method and apparatus for making the grass includes an extruder for plastic material and including a film extrusion die or a strand extrusion die. When a film is extruded, the film is cooled and slit longitudinally into strips of predetermined width. In another method, the extruded strips or strands are cooled. In all methods, the plastic strips pass through a slow godet, a drawing oven and a high speed godet to enable the strips or strands to be drawn down in width and thickness without breaking. From the high speed godet, the strips or strands are chopped to a desired length and conveyed to a storage area.
    • 在树脂挤出之前,将具有预定尺寸特性的塑料条带形状的装饰草或草类产品的颜色,抗静电剂和阻燃剂制成的方法和装置,从而防止颜色的摩擦,并且 最大限度地减少草地对装潢师的手和衣服的紧贴。 用于制造草的一种方法和设备包括用于塑料材料的挤出机,并且包括薄膜挤出模头或股线挤出模头。 当膜挤出时,将膜冷却并纵向切割成预定宽度的条。 在另一种方法中,挤出的条或链被冷却。 在所有方法中,塑料条通过一个缓慢的导丝辊,一个绘图烘箱和一个高速导丝辊,以使条或绳在宽度和厚度上被拉下而不会破裂。 从高速导丝辊中将条或绞合线切碎成所需长度并输送到存储区域。