B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/735
B29C 47/12 (2006.01) B29B 9/06 (2006.01) B29C 47/30 (2006.01) B29C 47/88 (2006.01)
Patent
CA 1298948
Abstract The present invention discloses an extrusion die adapted to be mounted on an extruding machine at the tip thereof and having a flat plate unit of a predetermined thickness provided with a plurality of through-holes. In the extrusion die of the present invention, the flat plate unit includes a first flat plate made of ce- ramics and a second flat plate made of a metallic mate- rial overlappingly disposed outside of the first flat plate. The through-holes in the second flat plate are coaxial with the through-holes in the first flat plate and have a diameter greater than that of the through- holes in the first flat plate.
568141
Johnson Douglas S. Q.c.
Moriyama Masao
LandOfFree
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