File:Moule à creux perdu par coupe au fil.png

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Français : Le moule à creux perdu est développé dans l'ouvrage File:TECHNIQUES_ET_PRATIQUE_DU_STAFF.pdf. 
 Qu'est-ce qu'un creux perdu? C'est un moule qui sera brisé après moulage de l'épreuve.
      - On fait un premier moule sur le modèle en terre ou plastiline.
      - Avec ce moule on réalise un deuxième modèle (en plâtre).
      - On casse ce moule (d'ou le nom de creux perdu).
      - On réalise un second moule en plâtre ou élastomère sur le modèle en plâtre qu'on aura retouché. C'est ce second moule qui sera le moule définitif et dont on tirera à volonté, des épreuves.
Le moule à creux perdu est développé dans les pages 150 à 154 de l'ouvrage techniques et pratique du staff sur File:TECHNIQUES_ET_PRATIQUE_DU_STAFF.pdf.
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Gérard Rondeau  (1947–)  wikidata:Q117187181
 
Description French high-school teacher
Date of birth 25 July 1947 Edit this at Wikidata
Location of birth Oisseau-le-Petit Edit this at Wikidata
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creator QS:P170,Q117187181

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