BR8903086A - Aparelho para fundicao contra a gravidade,a vacuo,de metal em fusao - Google Patents

Aparelho para fundicao contra a gravidade,a vacuo,de metal em fusao

Info

Publication number
BR8903086A
BR8903086A BR898903086A BR8903086A BR8903086A BR 8903086 A BR8903086 A BR 8903086A BR 898903086 A BR898903086 A BR 898903086A BR 8903086 A BR8903086 A BR 8903086A BR 8903086 A BR8903086 A BR 8903086A
Authority
BR
Brazil
Prior art keywords
funding
appliance
vacuum
against gravity
metal fusing
Prior art date
Application number
BR898903086A
Other languages
English (en)
Inventor
Paul H Hafer
Bradley W Hanson
Jeffrey D Porter
James Smith Jr
Original Assignee
Gen Motors Corp
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 Gen Motors Corp filed Critical Gen Motors Corp
Publication of BR8903086A publication Critical patent/BR8903086A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D18/00—Pressure casting; Vacuum casting
    • B22D18/06—Vacuum casting, i.e. making use of vacuum to fill the mould

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Sealing Material Composition (AREA)
BR898903086A 1988-06-24 1989-06-23 Aparelho para fundicao contra a gravidade,a vacuo,de metal em fusao BR8903086A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/211,020 US4828011A (en) 1988-06-24 1988-06-24 Countergravity casting apparatus

Publications (1)

Publication Number Publication Date
BR8903086A true BR8903086A (pt) 1990-03-06

Family

ID=22785277

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898903086A BR8903086A (pt) 1988-06-24 1989-06-23 Aparelho para fundicao contra a gravidade,a vacuo,de metal em fusao

Country Status (6)

Country Link
US (1) US4828011A (pt)
EP (1) EP0348032B1 (pt)
JP (1) JPH0259165A (pt)
BR (1) BR8903086A (pt)
CA (1) CA1330386C (pt)
DE (1) DE68904994T2 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4862946A (en) * 1988-11-23 1989-09-05 General Motors Corporation Vacuum countergravity casting apparatus and method
US5029630A (en) * 1990-07-03 1991-07-09 General Motors Corporation Differential pressure, countergravity casting apparatus using a vertically parted mold stack clamp mechanism
US5044420A (en) * 1990-08-13 1991-09-03 General Motors Corporation Vacuum-assisted, countergravity casting apparatus and method
US5035277A (en) * 1991-01-25 1991-07-30 General Motors Corporation Counter gravity casting apparatus
US5062467A (en) * 1991-05-10 1991-11-05 General Motors Corporation Vacuum countergravity casting apparatus and method
GB2313396B (en) * 1996-04-18 2000-08-30 Acimex Fall arrest device
JP2008531289A (ja) * 2005-02-22 2008-08-14 ミルウォーキー・スクール・オブ・エンジニアリング 鋳造プロセス
WO2012092244A2 (en) 2010-12-29 2012-07-05 Android Industries Llc Working tank with vacuum assist
CN109261938A (zh) * 2017-07-17 2019-01-25 科华控股股份有限公司 真空吸铸吸铸室压型气缸的浮动压紧结构
CN107520411A (zh) * 2017-07-25 2017-12-29 盐城美希密封件有限公司 一种柴油机模具静密封紧固夹紧装置
CN110976814B (zh) * 2019-11-25 2021-07-06 哈尔滨工业大学 一种铝合金汽车架的半连续反重力浇注方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2379401A (en) * 1942-04-16 1945-06-26 American Steel Foundries Method and apparatus for casting metal
US2845669A (en) * 1953-10-12 1958-08-05 Gen Motors Corp Method of casting in shell molds
US2923040A (en) * 1956-07-16 1960-02-02 Aluminum Co Of America Casting process and machine
NL6905546A (pt) * 1969-02-28 1970-09-01
US4340108A (en) * 1979-09-12 1982-07-20 Hitchiner Manufacturing Co., Inc. Method of casting metal in sand mold using reduced pressure
US4508157A (en) * 1983-04-15 1985-04-02 Hitchiner Manufacturing Co., Inc. Self-tapping support for shell molds
US4632171A (en) * 1984-09-26 1986-12-30 General Motors Corporation Counter-gravity casting mold
US4641703A (en) * 1985-11-27 1987-02-10 General Motors Corporation Countergravity casting mold and core assembly
US4658880A (en) * 1985-12-09 1987-04-21 General Motors Corporation Countergravity casting apparatus
US4616691A (en) * 1985-12-09 1986-10-14 General Motors Corporation Countergravity casting apparatus
US4745962A (en) * 1987-07-27 1988-05-24 General Motors Corporation Countergravity casting apparatus
US4932461A (en) * 1988-01-25 1990-06-12 General Motors Corporation Countergravity casting apparatus

Also Published As

Publication number Publication date
EP0348032B1 (en) 1993-02-24
JPH0259165A (ja) 1990-02-28
EP0348032A3 (en) 1991-03-13
EP0348032A2 (en) 1989-12-27
CA1330386C (en) 1994-06-28
JPH0314543B2 (pt) 1991-02-27
DE68904994D1 (de) 1993-04-01
DE68904994T2 (de) 1993-06-17
US4828011A (en) 1989-05-09

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG Letter patent granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 23/06/2004