B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 33/04 (2006.01) B29C 45/16 (2006.01) B29C 45/73 (2006.01)
Patent
CA 2336521
There is provided an arrangement of a mold including a mold base (1), a cavity block (2) provided within the mold base (1), a heat insulating layer (5) provided between the mold base (1) and the cavity block (2), and a system of a flow passage (A) through which a heating medium and a cooling medium are alternately and repeatedly supplied, wherein a space is provided at a contact portion between the cavity block (2) and the mold base (1) based on anticipation of a thermal expansion of the cavity block (2). Further, the cavity block (2) may be arranged to have inlet and outlet slots communicating with the channel (A), and the inlet and outlet slots may be attached with conduits thermally insulated from the mold base (1).
Ce moule métallique comporte une pièce rapportée (2) contenue dans un moule de base (1), des couches isolantes (5) placées entre le moule de base (1) et la pièce rapportée (2) et une série de circuits d'écoulement (A) permettant l'écoulement alternatif et répétitif d'un agent chauffant et d'un agent réfrigérant, ces circuits se trouvant près d'une surface de cavité (4) de la pièce rapportée (2). Il y a un certain jeu dans une partie ajustée entre la pièce rapportée (2) et le moule de base (1), jeu destiné à compenser la dilatation de la pièce rapportée (2). Des tuyaux de communication isolés du moule de base (1) sont raccordés aux côtés entrée et sortie des circuits d'écoulement.
Imagawa Akihiko
Nunome Masayuki
Satoh Yosihisa
Shinto Kazumi
Takamura Masataka
Mitsui Chemicals Incorporated
Ono Sangyo Co. Ltd.
Smart & Biggar
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