GB1303030A - - Google Patents

Info

Publication number
GB1303030A
GB1303030A GB3334571A GB3334571A GB1303030A GB 1303030 A GB1303030 A GB 1303030A GB 3334571 A GB3334571 A GB 3334571A GB 3334571 A GB3334571 A GB 3334571A GB 1303030 A GB1303030 A GB 1303030A
Authority
GB
United Kingdom
Prior art keywords
casting
zones
parts
oxygen
metal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3334571A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of GB1303030A publication Critical patent/GB1303030A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/08—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled
    • B22D17/10—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled with horizontal press motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/14—Machines with evacuated die cavity

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)

Abstract

1303030 Casting-machines NIPPON LIGHT METAL CO Ltd 15 July 1971 [15 July 1970] 33345/71 Heading B3F A pressure die casting machine has means 9 for introducing oxygen into the injection cylinder 6 and mould cavity 4, and heat insulated zones within the cavity 4. The zones may be formed by inserts 10 of ceramic or metallic material located in cavities in the mould walls. The inserts may have heating wires embedded therein and serve to retard the solidification of the molten metal in the said zones compared with that in other parts of the mould cavity. This ensures that any shrinkage pores are concentrated in these zones which are located so as to correspond to unimportant parts of the casting, e.g. parts which are subsequently removed from the casting in order to obtain the finished product. Oxygen is introduced into the injection cylinder 6 and mould cavity 4 to displace the air therefrom prior to injection of the molten metal. The oxygen then reacts with the metal to form metal oxide particles in the casting and enables a casting almost free from blow holes to be obtained. Reference has been directed by the Comptroller to Specification 1,183,468.
GB3334571A 1970-07-15 1971-07-15 Expired GB1303030A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6133070A JPS5021143B1 (en) 1970-07-15 1970-07-15

Publications (1)

Publication Number Publication Date
GB1303030A true GB1303030A (en) 1973-01-17

Family

ID=13168002

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3334571A Expired GB1303030A (en) 1970-07-15 1971-07-15

Country Status (9)

Country Link
JP (1) JPS5021143B1 (en)
BE (1) BE770051A (en)
CA (1) CA952686A (en)
DE (1) DE2135471B2 (en)
FR (1) FR2098425B1 (en)
GB (1) GB1303030A (en)
IT (1) IT940433B (en)
NL (1) NL7109711A (en)
SE (1) SE365727B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2160456A (en) * 1984-06-22 1985-12-24 Acervo Sa Casting method

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4084935A (en) * 1976-03-15 1978-04-18 John Zink Company Smoke suppressant mixer for flared gases
DE2953436C2 (en) * 1979-02-14 1987-04-16 Nippondenso Co. Ltd., Kariya, Aichi Die casting machine
JPS62156062A (en) * 1985-11-30 1987-07-11 Akio Nakano Injection device for molten metal for horizontal injection type die casting machine
EP0229924B1 (en) * 1985-11-30 1990-03-21 Akio Nakano Molten metal injecting device in die casting machine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR399462A (en) * 1909-02-13 1909-06-29 Toussaint Francois Eustache Le Method of casting steel, applicable to the manufacture of bearings for railway tracks and other similar parts
FR1531734A (en) * 1966-06-30 1968-07-05 Int Lead Zinc Res Die-casting process and pore-free molded parts obtained by this process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2160456A (en) * 1984-06-22 1985-12-24 Acervo Sa Casting method

Also Published As

Publication number Publication date
FR2098425A1 (en) 1972-03-10
DE2135471A1 (en) 1972-01-20
CA952686A (en) 1974-08-13
SE365727B (en) 1974-04-01
FR2098425B1 (en) 1974-12-20
JPS5021143B1 (en) 1975-07-21
BE770051A (en) 1971-11-16
IT940433B (en) 1973-02-10
NL7109711A (en) 1972-01-18
DE2135471B2 (en) 1980-01-03

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee