Movable extrusion die and method of use

Details Movable extrusion die and method of use Movable extrusion die and method of use

1994-11-17

1996-06-11

Walsh, Donald P.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Consolidation of powder prior to sintering

419 36, 419 5, 419 10, 419 19, B22F 320

Patent

active

055252915

ABSTRACT:
The invention relates to a method of forming honeycomb structures having cross-directional flow channels, such as cross-flow cellular bodies using a novel movable die which is adapted to move while extrudate is passing through the die, thus causing the cells or channels to alternate between straight-through flow, Z-flow, L-flow, U-flow or other similar cross-directional flow patterns. This novel die arrangement may be comprised of either a single movable die body, or a plurality of die parts or sections all of which are independently movable relative to the other.

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patent: 5316577 (1994-05-01), Wu
patent: 5373634 (1994-12-01), Lipp

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