JPS52101021A - Piano frame - Google Patents

Piano frame

Info

Publication number
JPS52101021A
JPS52101021A JP1703276A JP1703276A JPS52101021A JP S52101021 A JPS52101021 A JP S52101021A JP 1703276 A JP1703276 A JP 1703276A JP 1703276 A JP1703276 A JP 1703276A JP S52101021 A JPS52101021 A JP S52101021A
Authority
JP
Japan
Prior art keywords
piano frame
reduced pressure
under reduced
production process
integrally forming
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
JP1703276A
Other languages
Japanese (ja)
Inventor
Yuji Kasai
Atsushi Toyoda
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 JP1703276A priority Critical patent/JPS52101021A/en
Priority to FR7704742A priority patent/FR2341909A1/en
Priority to GB688977A priority patent/GB1562330A/en
Priority to DE19772707113 priority patent/DE2707113B2/en
Publication of JPS52101021A publication Critical patent/JPS52101021A/en
Pending legal-status Critical Current

Links

Classifications

    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Casting Devices For Molds (AREA)
  • Stringed Musical Instruments (AREA)

Abstract

PURPOSE: To simplify production process and improve performances by integrally forming frame pins, etc. of a given shape having a stopping face through casting under reduced pressure.
COPYRIGHT: (C)1977,JPO&Japio
JP1703276A 1976-02-20 1976-02-20 Piano frame Pending JPS52101021A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1703276A JPS52101021A (en) 1976-02-20 1976-02-20 Piano frame
FR7704742A FR2341909A1 (en) 1976-02-20 1977-02-18 PERFECTED PIANO TABLE
GB688977A GB1562330A (en) 1976-02-20 1977-02-18 Piano frame
DE19772707113 DE2707113B2 (en) 1976-02-20 1977-02-18 Method and device for casting a piano record

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1703276A JPS52101021A (en) 1976-02-20 1976-02-20 Piano frame

Publications (1)

Publication Number Publication Date
JPS52101021A true JPS52101021A (en) 1977-08-24

Family

ID=11932652

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1703276A Pending JPS52101021A (en) 1976-02-20 1976-02-20 Piano frame

Country Status (4)

Country Link
JP (1) JPS52101021A (en)
DE (1) DE2707113B2 (en)
FR (1) FR2341909A1 (en)
GB (1) GB1562330A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57190587U (en) * 1981-05-29 1982-12-03
JPS57190588U (en) * 1981-05-29 1982-12-03

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS4810415U (en) * 1971-06-17 1973-02-05

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1867788A (en) * 1931-02-27 1932-07-19 Steinway & Sons Piano string-frame
US2217021A (en) * 1938-11-14 1940-10-08 Story & Clark Piano Company Piano string plate construction

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4810415U (en) * 1971-06-17 1973-02-05

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57190587U (en) * 1981-05-29 1982-12-03
JPS57190588U (en) * 1981-05-29 1982-12-03

Also Published As

Publication number Publication date
FR2341909B1 (en) 1983-07-29
GB1562330A (en) 1980-03-12
DE2707113B2 (en) 1979-08-09
FR2341909A1 (en) 1977-09-16
DE2707113A1 (en) 1977-09-01

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