Injection moulding process and apparatus for making articles...

Details Injection moulding process and apparatus for making articles... Injection moulding process and apparatus for making articles...

B - Operations, Transporting

29

C

B29C 45/16 (2006.01)

Patent

CA 2280801

A process for making a moulded article of two components e.g. plastic material and elastomer, in which internal cores are used to form a hollow toothbrush body, and elastomer is injected to form surface features. The toothbrush body can be made bulky in shape but light by virtue of being hollow.

L'invention concerne un procédé permettant de fabriquer une pièce moulée à partir de deux composants, par exemple une matière plastique et un élastomère, dont le noyau est utilisé pour fabriquer un corps de brosse à dents creux, l'élastomère étant injecté afin de former les caractéristiques de surface dudit corps. Ce corps de brosse à dents peut être volumineux, mais il reste léger de par sa structure creuse.

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