Dome shaped extrusion dies

Details Dome shaped extrusion dies Dome shaped extrusion dies

1993-02-23

1994-02-15

Thurlow, Jeffery

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

264 60, 264 62, 264119, 264 82, 26417711, 26417712, 26421111, 419 26, 419 38, 419 44, 425380, 425461, 425463, 425464, 425467, B29C 4712

Patent

active

052863239

ABSTRACT:
An dome-shaped extrusion die for use in forming honeycomb monolith structures is disclosed. The die is formed by deforming an extrusion die having a flat cross section to obtain a dome-shaped cross section. Alternatively, the die may be fabricated from sinterable ceramic or metal powders in which case the holes and slots may be formed either in the green state, or in a chalk-hard state after partial densification.

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