Plastic and nonmetallic article shaping or treating: processes – With twining – plying – braiding – or textile fabric formation
Reexamination Certificate
2006-01-10
2006-01-10
Mayes, Melvin (Department: 1734)
Plastic and nonmetallic article shaping or treating: processes
With twining, plying, braiding, or textile fabric formation
C264S070000, C264S071000, C264S210800, C264S211140, C264S555000
Reexamination Certificate
active
06984350
ABSTRACT:
An apparatus for manufacturing a transversely aligned web has a spinning device provided with a plurality of nozzles for extruding molten polymer as filaments, and a conveyor on which the filaments spun by the spinning device are piled and traveling in a direction cross to the direction of array of the nozzles. The spinning device is provided with a high-speed fluid blowing unit for blowing a high-speed fluid in a direction parallel with a direction in which the filaments are extruded from the nozzles so as to attenuate the filaments. Further, the apparatus for manufacturing the transversely aligned web has at least one air stream vibrating mechanism for cyclically changing the flowing direction of the high-speed fluid blown from the high-speed fluid blowing unit in a direction cross to the machine direction of the conveyor. The filaments are vibrated in a direction cross to the machine direction of the conveyor, owing to the high-speed fluid by the air stream vibrating unit.
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Kurihara Kazuhiko
Kuroiwa Yuki
Morino Yoshiro
Umejima Shin'ichi
Yabe Kazuhiro
Mayes Melvin
Nippon Petrochemicals Co. Ltd.
Polymer Processing Research Institute Ltd.
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