JPS5711738A - Production of bell - Google Patents

Production of bell

Info

Publication number
JPS5711738A
JPS5711738A JP8453880A JP8453880A JPS5711738A JP S5711738 A JPS5711738 A JP S5711738A JP 8453880 A JP8453880 A JP 8453880A JP 8453880 A JP8453880 A JP 8453880A JP S5711738 A JPS5711738 A JP S5711738A
Authority
JP
Japan
Prior art keywords
bell
semi
die part
lever
sheet metal
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
JP8453880A
Other languages
Japanese (ja)
Inventor
Keiichi Suzuki
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.)
SUZUUME SEISAKUSHO KK
Original Assignee
SUZUUME SEISAKUSHO KK
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 SUZUUME SEISAKUSHO KK filed Critical SUZUUME SEISAKUSHO KK
Priority to JP8453880A priority Critical patent/JPS5711738A/en
Priority to KR1019810004078A priority patent/KR870000227B1/en
Publication of JPS5711738A publication Critical patent/JPS5711738A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K3/00—Rattles or like noise-producing devices, e.g. door-knockers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Punching Or Piercing (AREA)

Abstract

PURPOSE: To obtain a vibrating member of high springlike hardness by squeezing a malleable sheet metal to a spherical shape having roughly uniform wall thickness over the entire part and increasing the wall thickness at the hole edge of a sound hole through compression working during squeezing thereby making said part hardest.
CONSTITUTION: A semi-finished bell product 4 containing a small roller therein goes in that state into a female die part 10 of a press. At this time, an operating part 11 moves to above the same and a lever 13 descends thereby positively fitting the semi-finished product 4 to the die part 10. Next, a male die part 14 of the press descends from above upon retreating of the part 11, and draws the lower half 2 of the semi-finished product 4 to a semispheric shape in such a manner that the oppsite open edges thereof are parallel to each other, thereby forming a straight line sound hole 15 on the bottom surface. On ascending and detaching of the part 14 after this, again the part 10 advances, and its lever 12 presses a bell body 16, and removes the same from the female die part 10, whereby the bell with a suspension ring made of one-piece sheet metal is automatically obtained.
COPYRIGHT: (C)1982,JPO&Japio
JP8453880A 1980-06-24 1980-06-24 Production of bell Pending JPS5711738A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP8453880A JPS5711738A (en) 1980-06-24 1980-06-24 Production of bell
KR1019810004078A KR870000227B1 (en) 1980-06-24 1981-10-26 Manufacturing method of bell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8453880A JPS5711738A (en) 1980-06-24 1980-06-24 Production of bell

Publications (1)

Publication Number Publication Date
JPS5711738A true JPS5711738A (en) 1982-01-21

Family

ID=13833417

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8453880A Pending JPS5711738A (en) 1980-06-24 1980-06-24 Production of bell

Country Status (2)

Country Link
JP (1) JPS5711738A (en)
KR (1) KR870000227B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59220232A (en) * 1983-05-27 1984-12-11 Suzuume Seisakusho:Kk Manufacture of solid metallic bell
KR100434635B1 (en) * 2002-04-02 2004-06-04 유종록 An Auto Manufacturing Method of Decoration Metal Bell

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5077265A (en) * 1973-11-12 1975-06-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5077265A (en) * 1973-11-12 1975-06-24

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59220232A (en) * 1983-05-27 1984-12-11 Suzuume Seisakusho:Kk Manufacture of solid metallic bell
KR100434635B1 (en) * 2002-04-02 2004-06-04 유종록 An Auto Manufacturing Method of Decoration Metal Bell

Also Published As

Publication number Publication date
KR870000227B1 (en) 1987-02-17
KR830007175A (en) 1983-10-14

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