IT1191124B - Procedimento e dispositivi per la fabbricazione di pedivelle per biciclette - Google Patents

Procedimento e dispositivi per la fabbricazione di pedivelle per biciclette

Info

Publication number
IT1191124B
IT1191124B IT24696/82A IT2469682A IT1191124B IT 1191124 B IT1191124 B IT 1191124B IT 24696/82 A IT24696/82 A IT 24696/82A IT 2469682 A IT2469682 A IT 2469682A IT 1191124 B IT1191124 B IT 1191124B
Authority
IT
Italy
Prior art keywords
cranks
bicycles
procedure
manufacture
devices
Prior art date
Application number
IT24696/82A
Other languages
English (en)
Other versions
IT8224696A1 (it
IT8224696A0 (it
Inventor
Alfred Sen Thun
Original Assignee
Thun Alfred & Co Gmbh
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 Thun Alfred & Co Gmbh filed Critical Thun Alfred & Co Gmbh
Publication of IT8224696A0 publication Critical patent/IT8224696A0/it
Publication of IT8224696A1 publication Critical patent/IT8224696A1/it
Application granted granted Critical
Publication of IT1191124B publication Critical patent/IT1191124B/it

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
    • B21K1/06—Making machine elements axles or shafts
    • 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
    • B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M3/00—Construction of cranks operated by hand or foot

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Forging (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
IT24696/82A 1982-01-21 1982-12-10 Procedimento e dispositivi per la fabbricazione di pedivelle per biciclette IT1191124B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3201677A DE3201677C2 (de) 1982-01-21 1982-01-21 Verfahren zur Herstellung von Fahrradtretkurbeln

Publications (3)

Publication Number Publication Date
IT8224696A0 IT8224696A0 (it) 1982-12-10
IT8224696A1 IT8224696A1 (it) 1984-06-10
IT1191124B true IT1191124B (it) 1988-02-24

Family

ID=6153498

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24696/82A IT1191124B (it) 1982-01-21 1982-12-10 Procedimento e dispositivi per la fabbricazione di pedivelle per biciclette

Country Status (3)

Country Link
DE (1) DE3201677C2 (it)
FR (1) FR2519890B1 (it)
IT (1) IT1191124B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2529923B (en) * 2015-05-01 2016-10-05 Frogbikes Ltd Pedal cycle drivetrain

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH197151A (de) * 1937-06-28 1938-04-15 Zacharias Blumer Achse mit mindestens einer Verdickung, insbesondere für Fahrräder, und Verfahren zu deren Herstellung.
DE1016221B (de) * 1953-08-07 1957-09-26 Bossong Werke G M B H Vorrichtung zum Herstellen von Schiessnaegeln
US3188849A (en) * 1961-09-12 1965-06-15 Nat Machinery Co Method and apparatus for multiple upsetting
GB960321A (en) * 1962-02-03 1964-06-10 Raleigh Industries Ltd Cold forming of asymmetric articles
FR1435608A (fr) * 1965-03-25 1966-04-15 Procédé pour la fabrication des manivelles d'un pédalier de bicyclette
DE1627678B1 (de) * 1967-06-20 1971-10-28 Hatebur Ag F B Vorrichtung zum überwiegenden Kaltpressen aussen hinterschnittener, vorgepresster Zwischenoresslinge
DE2116766A1 (de) * 1971-04-06 1972-10-19 Alfred Thun & Co Gmbh, 5828 Ennepetal Verfahren zur Herstellung einer Fahrrad-Tretkurbel
DE2618908A1 (de) * 1976-04-27 1977-11-17 Loewe Gmbh Lodw Verfahren und vorrichtung zur herstellung von scharnierstiften
FR2382288A1 (fr) * 1977-03-03 1978-09-29 Sofomec Procede de forgeage a froid d'axes de pedaliers, les moyens de mise en oeuvre et les axes executes selon ce procede

Also Published As

Publication number Publication date
FR2519890B1 (fr) 1986-12-26
IT8224696A1 (it) 1984-06-10
FR2519890A1 (fr) 1983-07-22
DE3201677A1 (de) 1983-09-08
IT8224696A0 (it) 1982-12-10
DE3201677C2 (de) 1986-08-14

Similar Documents

Publication Publication Date Title
FI831661L (fi) Bicykliska foereningar
FI833728A0 (fi) Oral doseringsform
FI831466L (fi) Helsvetsad panna med en aongdom
IT1194394B (it) Cefem-derivati e procedimenti per la loro preparazione
FI833406A0 (fi) Intagningsanordning foer luft
IT1167350B (it) Procedimento di fabbricazione di clorosolfati basici d'alluminio
BR8304091A (pt) Coextrudado aes-termoplastico
BR8205832A (pt) Nadadeira
IT8367940A0 (it) Procedimento ed impianto per la produzione di confezioni
FI830858L (fi) Bicykliska bensofusionerade foereningar
IT1168214B (it) Procedimento per la fabbricazione di cuscinetti flangiati
ES527638A0 (es) Mejoras introducidas en la fabricacion de envases
FI821115A0 (fi) Rullhaollare med broms
IT1191124B (it) Procedimento e dispositivi per la fabbricazione di pedivelle per biciclette
IT1160548B (it) Dispositivo per la filatura-ritorcitura
IT1172263B (it) Procedimento per la preparazione di tio-bisfenoli
IT1169421B (it) Procedimento per la preparazione di benzen-derivati
IT8321066A1 (it) Procedimento per la preparazione di o-fenilendiammina
IT8347549A0 (it) Procedimento per la preparazione di cloroacetanilidi sostituite
IT1164613B (it) Procedimento per la produzione di ditiazol-disolfuri
IT1167665B (it) Procedimento per la generazione di disegni
IT1197635B (it) Procedimento per la preparazione di 3-idrossi-benzo-diezepinoni
KR840000981U (ko) 세발 자전거
IT1169838B (it) Metodo per la preparazione di solfonilisocianati
BR8301694A (pt) Composto de derivados de 1,3,5 - triacrililexaidros - triazina