Aluminum mesh with hollow ribs and the related workpiece extrudi

Details Aluminum mesh with hollow ribs and the related workpiece extrudi Aluminum mesh with hollow ribs and the related workpiece extrudi

1991-07-11

1993-01-26

Larson, Lowell A.

Metal deforming

By extruding through orifice

With metal-deforming other than by extrusion

72269, B21C 2504

Patent

active

051814102

ABSTRACT:
An aluminum extruding die comprising a mother die unit having a plurality of tooth-form holes at the middle respectively connected with one another forming into an extruding outlet, and a daughter die unit having a plurality of raised blocks respectively fastened in the tooth-form holes with gaps respectively maintained therebetween for the extrusion therethrough of aluminum material form a hollow, panel-like aluminum workpiece having a plurality of elongated, hollow ribs and a plurality of connecting strips alternatively connected therebetween is disclosed. The hollow, panel-like aluminum workpiece is further stretched into an aluminum mesh having a plurality of hollow ribs with a plurality of open spaces defined therein.

REFERENCES:
patent: 2190494 (1940-02-01), Templin
patent: 3527079 (1970-09-01), Braeuninger
patent: 4396685 (1983-08-01), Jury

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