Hollow balls and a method for producing hollow balls and for...

Details Hollow balls and a method for producing hollow balls and for... Hollow balls and a method for producing hollow balls and for...

B - Operations, Transporting

22

F

B22F 1/00 (2006.01) B22F 1/02 (2006.01) B22F 3/11 (2006.01) C03C 11/00 (2006.01) C03C 17/00 (2006.01) C04B 38/00 (2006.01) C04B 41/45 (2006.01)

Patent

CA 2397770

The invention relates to hollow balls comprising shells consisting of a sintered inorganic material, such as metals, metal oxides or ceramics. The invention also relates to methods for producing lightweight structural elements by means of such hollow balls. The aim of the invention is to enlarge the field of application, to technologically simplify the treatment for producing structural components and to improve the application characteristics of the hollow balls and the structural components produced therewith. An additional solid functional layer is designed on the hollow balls and on a shell. The material of the functional layer can be formed in a free-flowing, plastic and/or elastic manner owing to a physical and/or chemical treatment.

L'invention concerne des sphères creuses comportant une coquille constituée d'un matériau inorganique fritté, tel que du métal, de l'oxyde métallique ou de la céramique, ainsi qu'un procédé de production de composants légers constitués de telles sphères creuses. L'objectif de l'invention est d'élargir le champ d'utilisation de ces sphères creuses, de simplifier, du point de vue technologique, le travail de ces sphères creuses pour constituer des composants et d'améliorer, de façon spécifique à leur utilisation, les propriétés de ces sphères creuses et des composants réalisés avec elles. A cet effet, une couche fonctionnelle solide additionnelle est formée sur la coquille des sphères creuses. Le matériau constituant la couche fonctionnelle peut ensuite, après un traitement physique et/ou chimique, être mis en forme par coulage, plastiquement et/ou élastiquement.

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