ITVR20030108A1 - Procedimento per l'estrusione a freddo di viti, in particolare per - Google Patents

Procedimento per l'estrusione a freddo di viti, in particolare per

Info

Publication number
ITVR20030108A1
ITVR20030108A1 IT000108A ITVR20030108A ITVR20030108A1 IT VR20030108 A1 ITVR20030108 A1 IT VR20030108A1 IT 000108 A IT000108 A IT 000108A IT VR20030108 A ITVR20030108 A IT VR20030108A IT VR20030108 A1 ITVR20030108 A1 IT VR20030108A1
Authority
IT
Italy
Prior art keywords
screws
procedure
cold extrusion
extrusion
cold
Prior art date
Application number
IT000108A
Other languages
English (en)
Inventor
Alessandro Vescovini
Original Assignee
Amafa Service S R L
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 Amafa Service S R L filed Critical Amafa Service S R L
Priority to IT000108A priority Critical patent/ITVR20030108A1/it
Priority to PCT/IT2004/000484 priority patent/WO2005023456A1/en
Priority to US10/534,277 priority patent/US20060107517A1/en
Publication of ITVR20030108A1 publication Critical patent/ITVR20030108A1/it
Priority to US12/178,183 priority patent/US20090017925A1/en

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
    • B21K1/54—Making machine elements bolts, studs, or the like with grooves or notches
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49995—Shaping one-piece blank by removing material
    • Y10T29/49996—Successive distinct removal operations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Harvester Elements (AREA)
IT000108A 2003-09-08 2003-09-09 Procedimento per l'estrusione a freddo di viti, in particolare per ITVR20030108A1 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT000108A ITVR20030108A1 (it) 2003-09-09 2003-09-09 Procedimento per l'estrusione a freddo di viti, in particolare per
PCT/IT2004/000484 WO2005023456A1 (en) 2003-09-09 2004-09-08 Method for the cold extrusion of bolts, in particular for fastening the cutting blades of mowers or the like
US10/534,277 US20060107517A1 (en) 2003-09-09 2004-09-08 Method for the cold extrusion of bolts, in particular for fastening the cutting blades of mowers or the like
US12/178,183 US20090017925A1 (en) 2003-09-08 2008-07-23 Method for the cold extrusion of bolts, in particular for fastening the cutting blades of mowers or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000108A ITVR20030108A1 (it) 2003-09-09 2003-09-09 Procedimento per l'estrusione a freddo di viti, in particolare per

Publications (1)

Publication Number Publication Date
ITVR20030108A1 true ITVR20030108A1 (it) 2005-03-10

Family

ID=34260048

Family Applications (1)

Application Number Title Priority Date Filing Date
IT000108A ITVR20030108A1 (it) 2003-09-08 2003-09-09 Procedimento per l'estrusione a freddo di viti, in particolare per

Country Status (3)

Country Link
US (2) US20060107517A1 (it)
IT (1) ITVR20030108A1 (it)
WO (1) WO2005023456A1 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2422236C1 (ru) * 2010-02-02 2011-06-27 Открытое акционерное общество "Белебеевский завод "Автонормаль" Способ изготовления стержневых ступенчатых деталей с рифлениями
CN102275065B (zh) * 2011-06-15 2013-08-07 宁波达峰机械有限公司 一种用于汽车紧固断头螺栓的冷挤压成型工艺
CN104014711A (zh) * 2014-01-02 2014-09-03 昆山艺可五金有限公司 一种六角头的生产工艺
CN114074168B (zh) * 2020-08-19 2024-06-18 宾科汽车紧固件（昆山）有限公司 一种螺栓的成型方法以及冷镦装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE19348E (en) * 1934-10-23 Screw and bolt and process of
US1955924A (en) * 1930-09-24 1934-04-24 Mac Lean Fogg Lock Nut Co Water-tight bolt
US3247534A (en) * 1963-03-13 1966-04-26 Nat Machinery Co Scrapless heading
DE2618908A1 (de) * 1976-04-27 1977-11-17 Loewe Gmbh Lodw Verfahren und vorrichtung zur herstellung von scharnierstiften
JPS58934B2 (ja) * 1981-02-12 1983-01-08 出来 賢司 先端に膨らみをもったボルトの製造方法及び装置
JPS6216835A (ja) * 1985-07-12 1987-01-26 Shinjiyou Seisakusho:Kk リ−マ付きドリルねじの製造方法及び製造装置
US5036727A (en) * 1989-03-03 1991-08-06 Saturn Corporation Connecting bolt and assembly
GB2337951B (en) * 1998-06-05 2002-03-13 Avdel Textron Ltd Method of forming a tubular member

Also Published As

Publication number Publication date
WO2005023456A1 (en) 2005-03-17
US20090017925A1 (en) 2009-01-15
US20060107517A1 (en) 2006-05-25

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