Die and process especially for stamping detergent bars

Details Die and process especially for stamping detergent bars Die and process especially for stamping detergent bars

C - Chemistry, Metallurgy

11

D

18/1198, 134/3.6

C11D 13/18 (2006.01) B29C 33/56 (2006.01) B30B 15/02 (2006.01) C11D 13/28 (2006.01)

Patent

CA 2317562

A device for stamping a detergent bar, i.e. a bar comprising soap, a synthetic detergent active or a mixture thereof, includes a die. The die has at least one bar stamping surface provided with at least one elastomeric coating which includes a conductive filler such as stainless steel powder. Good release of the detergent bars from the die is possible particularly when the dies are chilled. Use of the conductive filler facilitates chilling of the dies. The invention also relates to the use of the device in the stamping of detergent bars, and a process for stamping detergent bars.

L'invention concerne un dispositif d'estampage d'une pastille de détergent, un savon par exemple, un détergent actif synthétique ou un mélange. Le dispositif comprend une matrice qui présente au moins une surface d'estampage doté d'au moins un revêtement élastomère comprenant une matière de charge conductrice telle qu'une poudre d'acier inoxydable. Une bonne séparation des pastilles de la matrice est possible, surtout lorsque les matrices soient refroidies. L'utilisation de matière de charge conductrice facilite le refroidissement des matrices. L'invention concerne aussi l'utilisation du dispositif lors de l'estampage de pastilles de détergent et un procédé d'estampage des pastilles de détergent.

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