ATE19972T1 - FEEDERS FOR CASTINGS. - Google Patents

FEEDERS FOR CASTINGS.

Info

Publication number
ATE19972T1
ATE19972T1 AT81110682T AT81110682T ATE19972T1 AT E19972 T1 ATE19972 T1 AT E19972T1 AT 81110682 T AT81110682 T AT 81110682T AT 81110682 T AT81110682 T AT 81110682T AT E19972 T1 ATE19972 T1 AT E19972T1
Authority
AT
Austria
Prior art keywords
feeder
shrinkage
heating material
exothermic heating
castings
Prior art date
Application number
AT81110682T
Other languages
German (de)
Inventor
Manfred Scherer
Original Assignee
Rexroth Mannesmann Gmbh
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 by Rexroth Mannesmann Gmbh filed Critical Rexroth Mannesmann Gmbh
Application granted granted Critical
Publication of ATE19972T1 publication Critical patent/ATE19972T1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
    • B22C9/088—Feeder heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

1. Feeder for castings (1), in particular of cast-iron with a body (3) of an exothermic heating material comprising a cylindrical cavity (5), which material keeps the substance located in the feeder molten until the completion of the shrinkage of the casting material through the region of the casting to be fed, in which case the feeder volume corresponds to the quantity of the shrinkage volume plus the maximum safety amount of 30% of the shrinkage volume, characterised in that the cylindrical cavity (5) is open towards the outside on its upper side and that located in this cavity (5) is a float (9) adapted to its cross section and able to move with respect to the body (3) of exothermic heating material, which float likewise consists of an exothermic heating material.
AT81110682T 1981-03-18 1981-12-22 FEEDERS FOR CASTINGS. ATE19972T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3110534A DE3110534C2 (en) 1981-03-18 1981-03-18 Feeder model for castings
EP81110682A EP0060349B1 (en) 1981-03-18 1981-12-22 Feeder head for castings

Publications (1)

Publication Number Publication Date
ATE19972T1 true ATE19972T1 (en) 1986-06-15

Family

ID=6127626

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81110682T ATE19972T1 (en) 1981-03-18 1981-12-22 FEEDERS FOR CASTINGS.

Country Status (3)

Country Link
EP (1) EP0060349B1 (en)
AT (1) ATE19972T1 (en)
DE (1) DE3110534C2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8512514D0 (en) * 1985-05-17 1985-06-19 Foseco Int Molten metal casting & feeder sleeves
US4749022A (en) * 1986-11-28 1988-06-07 Marie-Therese Simian Foundry gating system
US4907640A (en) * 1986-11-28 1990-03-13 Marie-Therese Simian Foundry gating system
CN110153376A (en) * 2019-06-18 2019-08-23 莒南县友园机械有限公司 A kind of type of heat riser
CN112935191B (en) * 2021-01-28 2023-03-03 共享装备股份有限公司 Air outlet riser

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439450A (en) * 1943-04-14 1948-04-13 Campbell Phillip Casting apparatus compensating for shrinkage of the cast material
US2845667A (en) * 1954-07-22 1958-08-05 Sulzer Ag Molds for casting disc-shaped bodies
FR1351085A (en) * 1963-03-12 1964-01-31 Foundry mold
DE2010337B1 (en) * 1970-03-05 1971-11-25 Rexroth Gmbh G L Exothermic riser for castings
JPS4861331A (en) * 1971-12-04 1973-08-28

Also Published As

Publication number Publication date
EP0060349A2 (en) 1982-09-22
DE3110534A1 (en) 1982-10-28
DE3110534C2 (en) 1986-04-17
EP0060349A3 (en) 1984-07-25
EP0060349B1 (en) 1986-05-28

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee