B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 47/36 (2006.01) A61M 25/00 (2006.01) B29C 47/04 (2006.01) B29C 47/58 (2006.01) B29C 47/94 (2006.01) B29D 23/24 (2006.01)
Patent
CA 2074686
An object of the invention is to provide a process and apparatus for producing an elongated body changing in elastic modulus longitudinally thereof with use of polymers without resulting in variations in the outside and inside diameters of the body even when the polymers are different in extrusion characteristics or swelling characteristics. A feeder 1 for extruding a first polymer in a molten state and a feeder 2 for extruding a second polymer, which is different from the first polymer in elastic modulus and similarly in a molten state, alternately discharge the respective polymers, which are continuously fed to a long-land die 5 along with a lubricant supplied from a lubricant applicator 4. The polymers are formed into the desired shape and cooled in the die 5, and thereafter extruded.
Kaide Tamotsu
Ohtsuji Masaaki
Onishi Kazuo
Utsumi Atsushi
Yamasaki Motohiko
Gowling Lafleur Henderson Llp
Mitsubishi Cable Industries Ltd.
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