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1. WO1991000786 - EXPENDABLE CASTING CORE FOR A CYLINDER

Publication Number WO/1991/000786
Publication Date 24.01.1991
International Application No. PCT/US1990/000598
International Filing Date 05.02.1990
IPC
B22C 9/10 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
CFOUNDRY MOULDING
9Moulds or cores; Moulding processes
10Cores; Manufacture or installation of cores
B22D 17/24 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
17Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
20Accessories; Details
22Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
24Accessories for locating and holding cores or inserts
CPC
B22C 9/10
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
CFOUNDRY MOULDING
9Moulds or cores
10Cores; Manufacture or installation of cores
B22D 17/24
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
17Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
20Accessories: Details
22Dies
24Accessories for locating and holding cores or inserts
Applicants
  • FARLEY, INC. [US/US]; M.P.O. Box 902 Toledo, OH 43691, US
Inventors
  • KOCH, Byron, W.; US
  • BADENHOPE, Robert, I.; US
Agents
  • KIRK, Hugh, A.; 4120 Tantara Drive Toledo, OH 43623, US
Priority Data
378,31711.07.1989US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) EXPENDABLE CASTING CORE FOR A CYLINDER
(FR) NOYAU DE COULAGE DILATABLE POUR UN CYLINDRE
Abstract
(EN)
The hollow frusto-conical expendable core (12) is used for forming a jacket around a cylinder in a casting die for forming a cylinder block. The core has a printout portion comprising an inwardly extending annular flange (16) connected to the narrower end of the frusto-cone by circumferentially spaced axially extending legs (14). The core may comprise a plurality of frusto-cones for a corresponding plurality of cylinders in an engine block with their axes parallel in a common plane with the annular flanges of their printout portions integrally connected for strengthening the multi-cylinder jacket core.
(FR)
On utilise un noyau dilatable tronconique creux (12) pour former une chemise autour d'un cylindre se trouvant dans une coquille, afin de former un bloc de cylindre. Le noyau comporte une partie d'impression comprenant un bord annulaire (16) s'étendant intérieurement, relié à l'extrémité étroite du cone tronconique par des pieds (14) espacés de manière circonférentielle, s'étendant axialement. Ledit noyau peut comprendre une pluralité de cones tronconiques destinés à une pluralité correspondante de cylindres se trouvant dans un bloc moteur, leurs axes étant parallèles dans un plan commun, les brides annulaires de leur parties d'impression étant reliées de manière solidaire afin de renforcer le noyau de la chemise multi-cylindre.
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