B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/763
B29C 53/24 (2006.01) B29C 44/00 (2006.01) B29C 47/02 (2006.01)
Patent
CA 1067265
ABSTRACT OF THE DISCLOSURE A shaped synthetic resin article varying in cross-sectional area and shape of longitudinal section along at least a part of the length is continuously produced by introducing a molten synthetic resin composition extruded from an extruder die between at least one pair of rolls rotating in the direction of extrusion so that the rolls of each pair contact each other on their periphery, the peripheral surfaces of the rolls being engraved so as to form a cavity corresponding to the shape of said shaped article when the rolls of each pair contact each other while being rotated, in which cavity the molten resin composition is remolded into an article having the desired shape and at the same time the surplus resin composition overflowing from said cavity is cut off by the edges of said rolls contacting each other, and then cooling the molded article to solidify the same. According to the above process, the diameter of the minimum cross-section of the article can be made much smaller than the outer diameter of the die or nozzle.
229068
Hanada Minoru
Kawashima Giichi
Kimura Takashi
Nagami Minoru
Na
Sumitomo Bakelite Company Limited
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