Extrusion dies for thin wall substrates

Details Extrusion dies for thin wall substrates Extrusion dies for thin wall substrates

1982-08-19

1984-08-28

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

2642091, 2642098, 425192R, 425198, 425376A, 425381, 425461, 425463, 425466, 425467, B29F 304

Patent

active

044683650

ABSTRACT:
Method and apparatus is set forth for extruding honeycomb structures having cohesive cellular walls from an extrusion die. Deflector means are provided within flow passageways of the die, wherein the deflector means has a secondary feed system such that the batch flow from the main feed system is broken up into a multi-channel stream system which improves the flow of the batch material into the discharge slots, thus improving product quality and knitting or cohesiveness of the material prior to discharge from the die.

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