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1. US4673021 - Method and apparatus for casting articles

Office États-Unis d'Amérique
Numéro de la demande 06848398
Date de la demande 21.03.1986
Numéro de publication 4673021
Date de publication 16.06.1987
Numéro de délivrance 4673021
Date de délivrance 16.06.1987
Type de publication A
CIB
B22D 27/04
BTECHNIQUES INDUSTRIELLES; TRANSPORTS
22FONDERIE; MÉTALLURGIE DES POUDRES MÉTALLIQUES
DCOULÉE DES MÉTAUX; COULÉE D'AUTRES MATIÈRES PAR LES MÊMES PROCÉDÉS OU AVEC LES MÊMES DISPOSITIFS
27Traitement du métal dans le moule pendant qu'il est liquide ou plastique
04Action sur la température du métal, p.ex. par chauffage ou refroidissement du moule
CPC
B22D 27/045
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
27Treating the metal in the mould while it is molten or ductile
04Influencing the temperature of the metal, e.g. by heating or cooling the mould
045Directionally solidified castings
Déposants TRW Inc.
Inventeurs Graham Lawrence D.
Skelley Richard A.
Fetsko Daniel G.
Ardo Ronald
Mandataires Tarolli, Sundheim & Covell
Données relatives à la priorité US8600166 28.01.1986 WO
Titre
(EN) Method and apparatus for casting articles
Abrégé
(EN)

An improved mold includes an upper mold section having a primary distribution system which is connected with a furnace and a lower mold section which is withdrawn from the furnace on a chill plate. A baffle plate is supported from the primary distribution system. The lower mold section includes a secondary distribution system which is connected in fluid communication with the primary distribution system at separable joints. The secondary distribution system is connected in fluid communication with article molds which are disposed in an annular array. During pouring of molten metal, reaction forces are transmitted to the chill plate from the pour cup through a support post and baffle plate. Once the article molds have been filled with molten metal, the chill plate is lowered. The primary distribution system which is connected to the furnace, remains stationary. As the article molds are withdrawn from the furnace, the baffle blocks the transfer of heat from the furnace through the central portion of the array of article molds.