Plastic and nonmetallic article shaping or treating: processes – Forming articles by uniting randomly associated particles – Mica particles
Patent
1980-10-22
1982-06-22
Hall, James R.
Plastic and nonmetallic article shaping or treating: processes
Forming articles by uniting randomly associated particles
Mica particles
264122, B22F 306
Patent
active
043362184
ABSTRACT:
A method of recovering particulate matter having a high metal content and including dust resulting from production of steel and chips from machining of steel. The method includes selecting the chips that have a length of 7 to 30 mm; mixing the dust and the selected chips in the ratio of about 70:20 to 30:60 pts/pts; wetting the dust, before or after it has been mixed with the chips, to a moisture content of 3 to 8% by weight to hydrate free lime in the dust; and mixing the dust and selected metal chips with a suitable binder; and forming the mixture into briquettes.
REFERENCES:
patent: 4116679 (1979-09-01), Pietsch
patent: 4213779 (1980-07-01), Caswell
Borggrefe Hans-Helmut
Kaas Werner
Unger Klaus-Dieter
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