FR2299100A1 - Machine for mfg sand moulds contg no binder - using plastic foils and vacuum to retain sand in desired contour - Google Patents

Machine for mfg sand moulds contg no binder - using plastic foils and vacuum to retain sand in desired contour

Info

Publication number
FR2299100A1
FR2299100A1 FR7602556A FR7602556A FR2299100A1 FR 2299100 A1 FR2299100 A1 FR 2299100A1 FR 7602556 A FR7602556 A FR 7602556A FR 7602556 A FR7602556 A FR 7602556A FR 2299100 A1 FR2299100 A1 FR 2299100A1
Authority
FR
France
Prior art keywords
sand
vacuum
machine
mfg
contg
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.)
Granted
Application number
FR7602556A
Other languages
French (fr)
Other versions
FR2299100B3 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Priority claimed from GB421875A external-priority patent/GB1542271A/en
Application filed by Individual filed Critical Individual
Publication of FR2299100A1 publication Critical patent/FR2299100A1/en
Application granted granted Critical
Publication of FR2299100B3 publication Critical patent/FR2299100B3/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/02—Sand moulds or like moulds for shaped castings
    • B22C9/03—Sand moulds or like moulds for shaped castings formed by vacuum-sealed moulding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Devices For Molds (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

A vacuum moulding machine has a frame provided with a vibratory vacuum table, and a swivel frame is mounted on each side of the table between the latter and two storage devices holding cut pieces of plastic foil; each swivel frame is used to pick up a plastic foil and transfer it to the table. An overhead device is pref. used to put moulding box frames on the table, the moulding box then being covered by a hood with a flexible seal on its base where it is in contact with the box. A silo pref. provides a dosed amt. of sand which is drawn by vacuum through the hood into the moulding box.
FR7602556A 1975-01-31 1976-01-30 Machine for mfg sand moulds contg no binder - using plastic foils and vacuum to retain sand in desired contour Granted FR2299100A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB422075 1975-01-31
GB421875A GB1542271A (en) 1975-01-31 1975-01-31 Moulding process and equipment for metals
GB421975 1975-01-31
GB422275 1975-01-31

Publications (2)

Publication Number Publication Date
FR2299100A1 true FR2299100A1 (en) 1976-08-27
FR2299100B3 FR2299100B3 (en) 1978-10-20

Family

ID=27447357

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7602556A Granted FR2299100A1 (en) 1975-01-31 1976-01-30 Machine for mfg sand moulds contg no binder - using plastic foils and vacuum to retain sand in desired contour

Country Status (4)

Country Link
JP (1) JPS51101721A (en)
DE (1) DE2603602A1 (en)
FR (1) FR2299100A1 (en)
SE (1) SE7600949L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100958A (en) * 1975-01-31 1978-07-18 John Workman Moulding process for metals
JPS52150729A (en) * 1976-06-11 1977-12-14 Hitachi Ltd Combined mold and its making method
DE2903948C2 (en) * 1979-02-02 1985-08-01 Wagner-Sinto Gießereimaschinen GmbH, 5928 Laasphe Device for filling molding and core boxes
CH654229A5 (en) * 1981-07-20 1986-02-14 Fischer Ag Georg DEVICE FOR FILLING A CONTAINER WITH A GRAINY SUBSTANCE.

Also Published As

Publication number Publication date
FR2299100B3 (en) 1978-10-20
JPS51101721A (en) 1976-09-08
DE2603602A1 (en) 1976-08-05
SE7600949L (en) 1976-08-02

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Legal Events

Date Code Title Description
ST Notification of lapse