JPH0321253B2 - - Google Patents

Info

Publication number
JPH0321253B2
JPH0321253B2 JP18657182A JP18657182A JPH0321253B2 JP H0321253 B2 JPH0321253 B2 JP H0321253B2 JP 18657182 A JP18657182 A JP 18657182A JP 18657182 A JP18657182 A JP 18657182A JP H0321253 B2 JPH0321253 B2 JP H0321253B2
Authority
JP
Japan
Prior art keywords
polygonal
head
mold
shape
thinned
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.)
Expired
Application number
JP18657182A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5976640A (ja
Inventor
Masaru Nonoyama
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
Application filed by Individual filed Critical Individual
Priority to JP18657182A priority Critical patent/JPS5976640A/ja
Publication of JPS5976640A publication Critical patent/JPS5976640A/ja
Publication of JPH0321253B2 publication Critical patent/JPH0321253B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/44—Making machine elements bolts, studs, or the like
    • B21K1/46—Making machine elements bolts, studs, or the like with heads
    • B21K1/463—Making machine elements bolts, studs, or the like with heads with recessed heads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
JP18657182A 1982-10-23 1982-10-23 除肉ヘツドをもつアプセツトボルトの加工方法 Granted JPS5976640A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18657182A JPS5976640A (ja) 1982-10-23 1982-10-23 除肉ヘツドをもつアプセツトボルトの加工方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18657182A JPS5976640A (ja) 1982-10-23 1982-10-23 除肉ヘツドをもつアプセツトボルトの加工方法

Publications (2)

Publication Number Publication Date
JPS5976640A JPS5976640A (ja) 1984-05-01
JPH0321253B2 true JPH0321253B2 (en]) 1991-03-22

Family

ID=16190856

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18657182A Granted JPS5976640A (ja) 1982-10-23 1982-10-23 除肉ヘツドをもつアプセツトボルトの加工方法

Country Status (1)

Country Link
JP (1) JPS5976640A (en])

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2510698Y2 (ja) * 1989-08-17 1996-09-18 古河電池株式会社 蓄電池用液口栓
JPH03144107A (ja) * 1989-10-31 1991-06-19 Sannohashi Seisakusho:Kk アプセット形ボルト及びその製造方法
US5207132A (en) * 1991-10-16 1993-05-04 Textron Inc. Elliptical lobed drive system
KR19990014953A (ko) * 1995-05-25 1999-02-25 키어스 디 비티 회전 방지 연결 기구
CN103909207B (zh) * 2012-12-29 2015-11-18 宾科汽车紧固件（昆山）有限公司 上下调节螺栓冷镦装置及其冷镦工艺

Also Published As

Publication number Publication date
JPS5976640A (ja) 1984-05-01

Similar Documents

Publication Publication Date Title
JPS6149528B2 (en])
JPS6024979Y2 (ja) 引抜き型盲リベット組立体
US20140271030A1 (en) Fastening material
US4525912A (en) Pierce nut and a back-up die used in combination therewith
JPH0321253B2 (en])
JP2004330278A (ja) ピアスナットの製造方法
US2794476A (en) Pyramidal sheet metal lock washer
CN205780252U (zh) 转轴结构
JPH0252125B2 (en])
US3443713A (en) Cornered blanks for closure caps,liners,washers,etc.,plus method of blanking and forming the blanks and utilizing the corners thereof
US2814059A (en) Method for making serrated-head bolts
US4987761A (en) Method of forming a device including an integrally formed nut
US2814812A (en) Method of forging nut blanks having axially extending skirt portions and attaching awasher thereto
JP2017074600A (ja) 座金付きナットの製造方法
CN215467864U (zh) 一种锁片六角法兰面锁紧螺母的冷镦成型模具组
JPH042979Y2 (en])
CN108188303A (zh) 防松脱螺母的加工工艺
JPS5832018B2 (ja) 仮枠締結用ボルトの製造方法
CA1134652A (en) Stud retaining fastener and method for producing same
JPS59174245A (ja) ゆるみ止めナツトの製造方法
JPH09273531A (ja) 緩み止めナット
CN221639262U (zh) 高稳定性的圆柱冲棒
CN219357602U (zh) 一种用于钣金冲压螺孔的模具
CN211276124U (zh) 飞轮内齿盘冲孔模
JPH0691331A (ja) バーリング加工型