Method of and apparatus for the cooling of extruded plastic prof

Details Method of and apparatus for the cooling of extruded plastic prof Method of and apparatus for the cooling of extruded plastic prof

1993-10-05

1996-01-16

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Recycling of reclaimed or purified process material

Of gaseous process material

264560, 264568, 26417719, 2642094, 264DIG78, 425 71, 4253261, 425388, B29C 4790

Patent

active

054845572

ABSTRACT:
An isobaric vaporization cooling for extruded thermoplastic profiles is carried out at 25 inches Hg in a tank by spraying water onto the extrusions. The water vapor and any air entering the tank are withdrawn to maintain the pressure constant during the cooling and the condensate from the withdrawn vapor is recycled to the spraying nozzles.

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