DE3172750D1 - Shaping pistons - Google Patents

Shaping pistons

Info

Publication number
DE3172750D1
DE3172750D1 DE8181302160T DE3172750T DE3172750D1 DE 3172750 D1 DE3172750 D1 DE 3172750D1 DE 8181302160 T DE8181302160 T DE 8181302160T DE 3172750 T DE3172750 T DE 3172750T DE 3172750 D1 DE3172750 D1 DE 3172750D1
Authority
DE
Germany
Prior art keywords
pin
shaping
load
bosses
bores
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
DE8181302160T
Other languages
German (de)
English (en)
Inventor
Ludovico Bruni
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.)
Associated Engineering Italy SpA
Original Assignee
Associated Engineering Italy SpA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11130168&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3172750(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Associated Engineering Italy SpA filed Critical Associated Engineering Italy SpA
Application granted granted Critical
Publication of DE3172750D1 publication Critical patent/DE3172750D1/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
    • B23P9/02—Treating or finishing by applying pressure, e.g. knurling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/10—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass pistons
    • 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
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49249—Piston making
    • Y10T29/49266—Gudgeon pin, wrist pin, piston pin, or boss therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Toys (AREA)
  • Forging (AREA)
DE8181302160T 1980-05-20 1981-05-15 Shaping pistons Expired DE3172750D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT09440/80A IT1153817B (it) 1980-05-20 1980-05-20 Metodo di sagomatura di pistoni per evitare fessurazioni nell'interno delle sedi per lo spinotto

Publications (1)

Publication Number Publication Date
DE3172750D1 true DE3172750D1 (en) 1985-12-05

Family

ID=11130168

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181302160T Expired DE3172750D1 (en) 1980-05-20 1981-05-15 Shaping pistons

Country Status (9)

Country Link
US (1) US4515003A (enExample)
EP (1) EP0040520B2 (enExample)
JP (1) JPS5751060A (enExample)
AT (1) ATE16255T1 (enExample)
DE (1) DE3172750D1 (enExample)
ES (1) ES502319A0 (enExample)
IN (1) IN153621B (enExample)
IT (1) IT1153817B (enExample)
ZA (1) ZA813376B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4015536C1 (enExample) * 1990-05-15 1991-10-10 Audi Ag, 8070 Ingolstadt, De
BR9916064A (pt) 1998-12-11 2001-09-04 Cummins Engine Co Inc Haste de conexão com furo perfilado para capacidade de carga aumentada

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US26764A (en) * 1860-01-10 Improvement in cotton-presses
US3161185A (en) * 1962-11-07 1964-12-15 Justinien Marcel Elastically connected pistons for the automatic adjustment of volumetric compression rations
GB151183A (en) * 1919-11-28 1920-09-23 Gunnar Mattsson Improvements in or relating to a process of producing cylindrical holes having an exact diameter
GB292937A (en) * 1927-06-23 1928-11-01 Krupp Ag Method for increasing the yield point in hollow bodies from steel alloys, to which anincrease in the yield point cannot be imparted by heat treatment, particularly in hollow bodies from austenitic steel alloys
US1722389A (en) * 1927-10-19 1929-07-30 M P Mfg Company Method of reclaiming worn piston pins
US2043103A (en) * 1934-12-08 1936-06-02 Koppers Gas And Coke Company Apparatus for extracting substances such as phenolic materials
GB501713A (en) * 1937-06-25 1939-03-03 Hermann Mahle Improvements in the manufacture of pistons
DE750462C (de) * 1940-11-13 1945-01-17 Richard Gerisch Verfahren zur Steigerung der Verschleissfestigkeit von Gleitflaechen aus Gusseisen oder Stahl
US2703264A (en) * 1950-05-31 1955-03-01 Roulements A Aiguilles Soc Sa Piston engine
US2652620A (en) * 1951-05-16 1953-09-22 Walter S Sutowski Process for fabricating metallic members having portions of different widths
US2851319A (en) * 1952-06-07 1958-09-09 Roulements A Aiguilles Soc Sa Piston and process of constructing same
DE1171709B (de) * 1957-12-12 1964-06-04 Johan Gerrit Boonstoppel Vorrichtung zum einseitigen Unrundformen von runden Loechern in der einen Wand von rohrfoermigen Leiterholmen fuer die Enden von sonst runden Sprossen
US3129966A (en) * 1961-10-09 1964-04-21 Ingersoll Rand Co Crosshead wrist pin assembly
DE1650206A1 (de) * 1967-08-18 1970-08-20 Schmidt Gmbh Karl Kolbenbolzenlagerung
USRE26764E (en) 1968-09-06 1970-01-13 Axial length of relief
GB1362262A (en) * 1971-02-09 1974-08-07 Wellworthy Ltd Pistons
IT1036948B (it) * 1974-07-24 1979-10-30 Mahle Gmbh Procedimento per allagare la parte di estremita dei fori per risalti dello spinotto nei motori a combustione interna
US4189932A (en) * 1976-12-20 1980-02-26 Dana Corporation Piston pin bore and method of finishing

Also Published As

Publication number Publication date
EP0040520B1 (en) 1985-10-30
EP0040520B2 (en) 1990-02-28
IT1153817B (it) 1987-01-21
EP0040520A3 (en) 1983-09-21
JPS5751060A (en) 1982-03-25
ZA813376B (en) 1983-01-26
ES8204631A1 (es) 1982-05-01
ATE16255T1 (de) 1985-11-15
US4515003A (en) 1985-05-07
EP0040520A2 (en) 1981-11-25
ES502319A0 (es) 1982-05-01
IN153621B (enExample) 1984-07-28
IT8009440A0 (it) 1980-05-20

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8339 Ceased/non-payment of the annual fee