The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 05, 2007
Filed:
Feb. 03, 2004
Retief Bruwer, Pretoria, ZA;
Jeremias Daniel Wilkins, Pretoria, ZA;
Lillian Hristov Ivanchev, Germiston, ZA;
Pierre Rossouw, Pretoria, ZA;
Oliver Frank Rudolf August Damm, Pretoria, ZA;
Retief Bruwer, Pretoria, ZA;
Jeremias Daniel Wilkins, Pretoria, ZA;
Lillian Hristov Ivanchev, Germiston, ZA;
Pierre Rossouw, Pretoria, ZA;
Oliver Frank Rudolf August Damm, Pretoria, ZA;
CSIR, Pretoria, ZA;
Abstract
Apparatus for producing a semi-solid metal alloy from a molten charge includes vertically aligned treatment zones which are provided by vertically aligned passages defined by a plurality of spirally wound flow pipes which are interspersed between spirally wound induction coils. A container is mounted on a charging arrangement which displaces a first charge upwardly into the first treatment zone. Successive charges are introduced in a similar fashion thereby urging the previously introduced charge upwardly along the train of zones and until the leading charge is ejected from the top of the apparatus. The charge in each zone is subjected to controlled cooling and an induced electromagnetic field. The strength of the field and the rate of cooling are controlled to impede dendritic crystallisation and to promote globular primary crystal formation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile