B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/1120
B29C 43/24 (2006.01) B29C 43/22 (2006.01) C08L 23/06 (2006.01)
Patent
CA 2006046
ABSTRACT A high-strength and high-modulus polyolefin material can be continuously produced from a polyolefin in a powder form by feeding the polyolefin powder between a combination of endless belts disposed in an up-and-down opposing rela- tion, compression-molding the polyolefin powder at a temperature lower than the melting point of the polyolefin powder by means of a pressing device while holding the polyolefin powder between the endless belts and conveying the same, and then rolling and stretching the resultant compression-molded polyolefin. The pressing device is con- structed of pressing platens and corresponding sets of rol- lers, which are all accommodated within the respective end- less belts. The rollers in each set are connected togeth- er, and the sets of rollers are arranged movably in an end- less fashion between the respective platens and the endless belts associated therewith.
Iwanami Yoshimu
Kobayashi Seizo
Mizoe Takashi
Nippon Mitsubishi Oil Corporation
Sim & Mcburney
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