IT201900004725A1 - PERFECTED MACHINE FOR THE PRODUCTION OF WIRE SPRINGS, PARTICULARLY WITH RECTANGULAR SECTION, AND RELATIVE METHOD - Google Patents

PERFECTED MACHINE FOR THE PRODUCTION OF WIRE SPRINGS, PARTICULARLY WITH RECTANGULAR SECTION, AND RELATIVE METHOD

Info

Publication number
IT201900004725A1
IT201900004725A1 IT102019000004725A IT201900004725A IT201900004725A1 IT 201900004725 A1 IT201900004725 A1 IT 201900004725A1 IT 102019000004725 A IT102019000004725 A IT 102019000004725A IT 201900004725 A IT201900004725 A IT 201900004725A IT 201900004725 A1 IT201900004725 A1 IT 201900004725A1
Authority
IT
Italy
Prior art keywords
production
rectangular section
wire springs
relative method
perfected machine
Prior art date
Application number
IT102019000004725A
Other languages
Italian (it)
Inventor
Romeo Bordignon
Original Assignee
Romeo Bordignon
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 Romeo Bordignon filed Critical Romeo Bordignon
Priority to IT102019000004725A priority Critical patent/IT201900004725A1/en
Priority to EP20720506.3A priority patent/EP3946774B1/en
Priority to PCT/IB2020/052754 priority patent/WO2020201912A1/en
Publication of IT201900004725A1 publication Critical patent/IT201900004725A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F3/00—Coiling wire into particular forms
    • B21F3/02—Coiling wire into particular forms helically
    • B21F3/04—Coiling wire into particular forms helically externally on a mandrel or the like
IT102019000004725A 2019-03-29 2019-03-29 PERFECTED MACHINE FOR THE PRODUCTION OF WIRE SPRINGS, PARTICULARLY WITH RECTANGULAR SECTION, AND RELATIVE METHOD IT201900004725A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT102019000004725A IT201900004725A1 (en) 2019-03-29 2019-03-29 PERFECTED MACHINE FOR THE PRODUCTION OF WIRE SPRINGS, PARTICULARLY WITH RECTANGULAR SECTION, AND RELATIVE METHOD
EP20720506.3A EP3946774B1 (en) 2019-03-29 2020-03-24 Apparatus for producing wire springs of wire of polygonal cross section, and relative method
PCT/IB2020/052754 WO2020201912A1 (en) 2019-03-29 2020-03-24 Apparatus for producing wire springs of wire of polygonal cross section, and relative method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102019000004725A IT201900004725A1 (en) 2019-03-29 2019-03-29 PERFECTED MACHINE FOR THE PRODUCTION OF WIRE SPRINGS, PARTICULARLY WITH RECTANGULAR SECTION, AND RELATIVE METHOD

Publications (1)

Publication Number Publication Date
IT201900004725A1 true IT201900004725A1 (en) 2020-09-29

Family

ID=67002275

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102019000004725A IT201900004725A1 (en) 2019-03-29 2019-03-29 PERFECTED MACHINE FOR THE PRODUCTION OF WIRE SPRINGS, PARTICULARLY WITH RECTANGULAR SECTION, AND RELATIVE METHOD

Country Status (3)

Country Link
EP (1) EP3946774B1 (en)
IT (1) IT201900004725A1 (en)
WO (1) WO2020201912A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000024445A1 (en) * 2020-10-16 2022-04-16 Mollificio Bordignon S R L DOUBLE WIRE SPRING WITH IMPROVED POLYGONAL SECTION
CN117206430A (en) * 2023-10-09 2023-12-12 湖北隆神弹簧有限公司 Spring coiling device and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1063505A (en) * 1908-01-23 1913-06-03 Clarence P Byrnes Method of making coiled springs.
US5927123A (en) 1998-08-19 1999-07-27 Liu; Ching-Liang Coil spring shaper
EP1755806A1 (en) 2004-06-15 2007-02-28 Mollificio Bordignon S.r.l. Apparatus for the production of wire springs
EP2416031A1 (en) * 2009-04-03 2012-02-08 NHK Spring Co., Ltd. Compression coil spring, and coil spring manufacturing device and manufacturing method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1063505A (en) * 1908-01-23 1913-06-03 Clarence P Byrnes Method of making coiled springs.
US5927123A (en) 1998-08-19 1999-07-27 Liu; Ching-Liang Coil spring shaper
EP1755806A1 (en) 2004-06-15 2007-02-28 Mollificio Bordignon S.r.l. Apparatus for the production of wire springs
EP2416031A1 (en) * 2009-04-03 2012-02-08 NHK Spring Co., Ltd. Compression coil spring, and coil spring manufacturing device and manufacturing method

Also Published As

Publication number Publication date
WO2020201912A1 (en) 2020-10-08
EP3946774B1 (en) 2024-01-17
EP3946774A1 (en) 2022-02-09

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