JPS5456931A - Vacuum molding and casting method for casting element - Google Patents

Vacuum molding and casting method for casting element

Info

Publication number
JPS5456931A
JPS5456931A JP12252277A JP12252277A JPS5456931A JP S5456931 A JPS5456931 A JP S5456931A JP 12252277 A JP12252277 A JP 12252277A JP 12252277 A JP12252277 A JP 12252277A JP S5456931 A JPS5456931 A JP S5456931A
Authority
JP
Japan
Prior art keywords
casting
vacuum molding
casting method
casting element
molding
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.)
Pending
Application number
JP12252277A
Other languages
Japanese (ja)
Inventor
Kiyoshi Kawamura
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.)
Nippon Gakki Co Ltd
Original Assignee
Nippon Gakki Co Ltd
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 Nippon Gakki Co Ltd filed Critical Nippon Gakki Co Ltd
Priority to JP12252277A priority Critical patent/JPS5456931A/en
Priority to GB7840487A priority patent/GB2007131B/en
Priority to DE19782844727 priority patent/DE2844727A1/en
Publication of JPS5456931A publication Critical patent/JPS5456931A/en
Pending 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C3/00—Details or accessories
    • G10C3/04—Frames; Bridges; Bars

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Casting Devices For Molds (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
JP12252277A 1977-10-14 1977-10-14 Vacuum molding and casting method for casting element Pending JPS5456931A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP12252277A JPS5456931A (en) 1977-10-14 1977-10-14 Vacuum molding and casting method for casting element
GB7840487A GB2007131B (en) 1977-10-14 1978-10-13 Casting process by vaccum sealed moulding
DE19782844727 DE2844727A1 (en) 1977-10-14 1978-10-13 CASTING PROCESSES, IN PARTICULAR FOR THE MANUFACTURING OF PIANO PLATES, AND THE DEVICE FOR ITS IMPLEMENTATION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12252277A JPS5456931A (en) 1977-10-14 1977-10-14 Vacuum molding and casting method for casting element

Publications (1)

Publication Number Publication Date
JPS5456931A true JPS5456931A (en) 1979-05-08

Family

ID=14837926

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12252277A Pending JPS5456931A (en) 1977-10-14 1977-10-14 Vacuum molding and casting method for casting element

Country Status (3)

Country Link
JP (1) JPS5456931A (en)
DE (1) DE2844727A1 (en)
GB (1) GB2007131B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2929397C2 (en) * 1979-07-20 1985-08-08 Klöckner-Humboldt-Deutz AG, 5000 Köln Method for separating a refractory molded mask from a foundry pattern
DE3026066A1 (en) * 1980-07-10 1982-02-04 Heinrich Wagner Maschinenfabrik GmbH & Co, 5928 Laasphe MOLDING FOR METALS
GB2214850A (en) * 1988-02-09 1989-09-13 Triplex Alloys Ltd A vacuum moulding process for mould forming

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010813B2 (en) * 1971-08-25 1975-04-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010813B2 (en) * 1971-08-25 1975-04-24

Also Published As

Publication number Publication date
GB2007131A (en) 1979-05-16
DE2844727A1 (en) 1979-04-19
GB2007131B (en) 1982-03-31

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