49305 ⎘
Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles; Coating a portion of the article, e.g. the edge of the article; Coating a portion of a bundle of inserts, e.g. making brushes preventing leakage of injected material into tuft insertion holes of the mould
Brush head manufacturing methods using a molded tuft carrier and base plate
#2Brush manufacturing machine
#3Method for manufacturing a toothbrush and a bristle head thereof, toothbrush obtained by said method and mould for such method
#4Toothbrush having pressure relief unit and method of producing same