IT1113923B - Metodo per la formazione di testine di fissaggio su molle per trazione e molle per trazione fabbricate con l'ausilio di tale metodo - Google Patents
Metodo per la formazione di testine di fissaggio su molle per trazione e molle per trazione fabbricate con l'ausilio di tale metodoInfo
- Publication number
- IT1113923B IT1113923B IT22309/79A IT2230979A IT1113923B IT 1113923 B IT1113923 B IT 1113923B IT 22309/79 A IT22309/79 A IT 22309/79A IT 2230979 A IT2230979 A IT 2230979A IT 1113923 B IT1113923 B IT 1113923B
- Authority
- IT
- Italy
- Prior art keywords
- traction springs
- aid
- formation
- manufactured
- fastening heads
- Prior art date
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)
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 |
---|---|
IT7922309A0 IT7922309A0 (it) | 1979-05-02 |
IT1113923B true IT1113923B (it) | 1986-01-27 |
Family
ID=6038721
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22309/79A IT1113923B (it) | 1978-05-05 | 1979-05-02 | Metodo per la formazione di testine di fissaggio su molle per trazione e molle per trazione fabbricate con l'ausilio di tale metodo |
Country Status (7)
Families Citing this family (3)
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)
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 |
-
1978
- 1978-05-05 DE DE2819700A patent/DE2819700B1/de active Granted
-
1979
- 1979-04-26 CA CA000326470A patent/CA1135465A/en not_active Expired
- 1979-04-30 US US06/034,524 patent/US4270261A/en not_active Expired - Lifetime
- 1979-05-02 JP JP54053554A patent/JPS5822650B2/ja not_active Expired
- 1979-05-02 IT IT22309/79A patent/IT1113923B/it active
- 1979-05-02 GB GB7915230A patent/GB2020207B/en not_active Expired
- 1979-05-04 FR FR7911279A patent/FR2424775B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2020207A (en) | 1979-11-14 |
US4270261A (en) | 1981-06-02 |
GB2020207B (en) | 1982-06-03 |
DE2819700B1 (de) | 1979-08-23 |
JPS54160948A (en) | 1979-12-20 |
JPS5822650B2 (ja) | 1983-05-10 |
FR2424775A1 (fr) | 1979-11-30 |
DE2819700C2 (US07582779-20090901-C00044.png) | 1980-04-24 |
FR2424775B1 (fr) | 1985-07-12 |
IT7922309A0 (it) | 1979-05-02 |
CA1135465A (en) | 1982-11-16 |
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