GB2020207B - Forming fixing heads on coil springs - Google Patents

Forming fixing heads on coil springs

Info

Publication number
GB2020207B
GB2020207B GB7915230A GB7915230A GB2020207B GB 2020207 B GB2020207 B GB 2020207B GB 7915230 A GB7915230 A GB 7915230A GB 7915230 A GB7915230 A GB 7915230A GB 2020207 B GB2020207 B GB 2020207B
Authority
GB
United Kingdom
Prior art keywords
coil springs
fixing heads
forming fixing
forming
heads
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
GB7915230A
Other languages
English (en)
Other versions
GB2020207A (en
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB2020207A publication Critical patent/GB2020207A/en
Application granted granted Critical
Publication of GB2020207B publication Critical patent/GB2020207B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F35/00—Making springs from wire
    • B21F35/02—Bending or deforming ends of coil springs to special shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14549—Coating rod-like, wire-like or belt-like articles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/04—Wound springs
    • F16F1/12—Attachments or mountings
    • F16F1/123—Attachments or mountings characterised by the ends of the spring being specially adapted, e.g. to form an eye for engagement with a radial insert
    • 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
    • Y10T29/49789—Obtaining plural product pieces from unitary workpiece
    • Y10T29/49792—Dividing through modified portion
    • 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
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49982—Coating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Springs (AREA)
  • Wire Processing (AREA)
GB7915230A 1978-05-05 1979-05-02 Forming fixing heads on coil springs Expired GB2020207B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2819700A DE2819700B1 (de) 1978-05-05 1978-05-05 Verfahren zum Herstellen von Einhaengekoepfen an Zugfedern

Publications (2)

Publication Number Publication Date
GB2020207A GB2020207A (en) 1979-11-14
GB2020207B true GB2020207B (en) 1982-06-03

Family

ID=6038721

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7915230A Expired GB2020207B (en) 1978-05-05 1979-05-02 Forming fixing heads on coil springs

Country Status (7)

Country Link
US (1) US4270261A (US20020051482A1-20020502-M00012.png)
JP (1) JPS5822650B2 (US20020051482A1-20020502-M00012.png)
CA (1) CA1135465A (US20020051482A1-20020502-M00012.png)
DE (1) DE2819700B1 (US20020051482A1-20020502-M00012.png)
FR (1) FR2424775B1 (US20020051482A1-20020502-M00012.png)
GB (1) GB2020207B (US20020051482A1-20020502-M00012.png)
IT (1) IT1113923B (US20020051482A1-20020502-M00012.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2287906B (en) * 1994-04-01 1998-01-21 Superfile Ltd Loose-leaf binder
US20030168792A1 (en) * 2000-06-19 2003-09-11 Hammerbeck John Philip Roger Coil spring
RU2582169C1 (ru) * 2014-12-29 2016-04-20 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" - Госкорпорация "Росатом" Способ изготовления трубчатых элементов из материала металлорезины и пресс-форма для его реализации

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE503791C (de) * 1930-07-26 Metallwerke Frankenberg G M B Aufhaengehaken zur Befestigung der die Sitzflaeche bildenden Schraubenfedern bei Motorradsaetteln
GB192578A (en) * 1922-01-09 1923-02-08 Charles Henry Gale Improved means for securing the ends of helical springs
US2113674A (en) * 1935-01-29 1938-04-12 American Steel & Wire Co Manufacture of stranded elements
US2200633A (en) * 1938-03-17 1940-05-14 Whitehall Patents Corp Method of die casting separable fasteners
US2400425A (en) * 1943-08-02 1946-05-14 Walter F Liber Eye plate attachment for coiled springs
US2484485A (en) * 1945-01-08 1949-10-11 American Steel & Wire Co Die cast terminal fittings and method of making the same
FR1391845A (fr) * 1964-01-17 1965-03-12 Metallurg De Saint Urbain Atel Ressort hélicoïdal perfectionné
US3804396A (en) * 1972-07-24 1974-04-16 R Seybold Securing device for vehicle safety belts
US4027501A (en) * 1973-06-18 1977-06-07 Stewart-Warner Corporation Method for joining a tip for a flexible shaft and assembly thereof

Also Published As

Publication number Publication date
IT1113923B (it) 1986-01-27
GB2020207A (en) 1979-11-14
US4270261A (en) 1981-06-02
DE2819700B1 (de) 1979-08-23
JPS54160948A (en) 1979-12-20
JPS5822650B2 (ja) 1983-05-10
FR2424775A1 (fr) 1979-11-30
DE2819700C2 (US20020051482A1-20020502-M00012.png) 1980-04-24
FR2424775B1 (fr) 1985-07-12
IT7922309A0 (it) 1979-05-02
CA1135465A (en) 1982-11-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee