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Article | REF: AM3646 V1

Extrusion blow-molding of large hollow plastic bodies

Author: Serge Dupont

Publication date: April 10, 2013 | Lire en français

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    6. Blow molds

    The mould ensures :

    • the final shape of the product by contact of the parison with the mould cavity during blowing;

    • gluing the parison back together to form the envelope;

    • sealing the envelope in the mold;

    • cooling the envelope through heat exchange.

    A mould consists of the following components (figure 37 ):

    • the impression, into which the shape of the blown body is carved;

    • the socket, which secures the impression to the press platens;

    • Settling, which guides and centers the mold during closing;...

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