B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 18/06 (2006.01) B22D 17/14 (2006.01) B22D 17/30 (2006.01)
Patent
CA 2087572
A method and apparatus for determining the size of the open area of a vacuum valve for use in a die casting operation is disclosed. The invention determines the size primarily as a function of the total length of the exterior parting lines of the die.
Appareil et méthode de détermination de la dimension de l'ouverture d'un reniflard utilisé à des fins de moulage sous pression. L'invention permet de déterminer la dimension surtout en tant que fonction de la longueur totale des lignes extérieures de joint de la matrice.
Nelson Craig A.
Vanrens Russell J.
Macrae & Co.
Outboard Marine Corporation
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