IT1052524B - Perfezionamento nei tamburi per la fabbricazione di copertoni - Google Patents

Perfezionamento nei tamburi per la fabbricazione di copertoni

Info

Publication number
IT1052524B
IT1052524B IT5255975A IT5255975A IT1052524B IT 1052524 B IT1052524 B IT 1052524B IT 5255975 A IT5255975 A IT 5255975A IT 5255975 A IT5255975 A IT 5255975A IT 1052524 B IT1052524 B IT 1052524B
Authority
IT
Italy
Prior art keywords
drums
tires
improvement
manufacture
Prior art date
Application number
IT5255975A
Other languages
English (en)
Original Assignee
Avon Tyres Ltd
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 Avon Tyres Ltd filed Critical Avon Tyres Ltd
Application granted granted Critical
Publication of IT1052524B publication Critical patent/IT1052524B/it

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00Producing pneumatic or solid tyres or parts thereof
    • B29D30/06Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08Building tyres
    • B29D30/20Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/32Fitting the bead-rings or bead-cores; Folding the textile layers around the rings or cores
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00Producing pneumatic or solid tyres or parts thereof
    • B29D30/06Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08Building tyres
    • B29D30/20Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/24Drums
    • B29D30/244Drums for manufacturing substantially cylindrical tyre components with cores or beads, e.g. carcasses
    • B29D30/246Drums for the multiple stage building process, i.e. the building-up of the cylindrical carcass is realised on one drum and the toroidal expansion is realised after transferring on another drum
    • B29D30/247Arrangements for the first stage only, e.g. means for radially expanding the drum to lock the beads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00Producing pneumatic or solid tyres or parts thereof
    • B29D30/06Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08Building tyres
    • B29D30/20Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/32Fitting the bead-rings or bead-cores; Folding the textile layers around the rings or cores
    • B29D2030/3214Locking the beads on the drum; details of the drum in the bead locking areas, e.g. drum shoulders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00Producing pneumatic or solid tyres or parts thereof
    • B29D30/06Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08Building tyres
    • B29D30/20Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/32Fitting the bead-rings or bead-cores; Folding the textile layers around the rings or cores
    • B29D2030/3221Folding over means, e.g. bladders or rigid arms
    • B29D2030/3228Folding over means, e.g. bladders or rigid arms using one bladder acting on each side of the drum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00Producing pneumatic or solid tyres or parts thereof
    • B29D30/06Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08Building tyres
    • B29D30/20Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/32Fitting the bead-rings or bead-cores; Folding the textile layers around the rings or cores
    • B29D2030/3221Folding over means, e.g. bladders or rigid arms
    • B29D2030/3264Folding over means, e.g. bladders or rigid arms using radially expandable, contractible mechanical means, e.g. circumferentially spaced arms, spring rollers, cages

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Tyre Moulding (AREA)
IT5255975A 1974-12-09 1975-12-05 Perfezionamento nei tamburi per la fabbricazione di copertoni IT1052524B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5321974A GB1532960A (en) 1974-12-09 1974-12-09 Tyre building drum

Publications (1)

Publication Number Publication Date
IT1052524B true IT1052524B (it) 1981-07-20

Family

ID=10467028

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5255975A IT1052524B (it) 1974-12-09 1975-12-05 Perfezionamento nei tamburi per la fabbricazione di copertoni

Country Status (5)

Country Link
JP (1) JPS5183680A (it)
DE (1) DE2555111A1 (it)
FR (1) FR2294043A1 (it)
GB (1) GB1532960A (it)
IT (1) IT1052524B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2401015A2 (fr) * 1977-08-24 1979-03-23 Gen Tire & Rubber Co Tambour dilatable pour la confection de pneumatiques a reglage du diametre par variation continue
US4325764A (en) * 1980-06-19 1982-04-20 The Goodyear Tire & Rubber Company Drum and method of shaping a radial tire
JPH0644674Y2 (ja) * 1990-03-30 1994-11-16 住友ゴム工業株式会社 フォーマー
RU2189318C2 (ru) * 1997-05-23 2002-09-20 Вми Епе Холланд Б.В. Барабан для сборки шин с устройством для заворота кромок браслета шины вверх
IT1303143B1 (it) * 1998-07-10 2000-10-30 Bridgestone Firestone Tech Tamburo unistadio per la formatura di pneumatici
DE60117130T2 (de) 2000-03-17 2006-09-28 Vmi Epe Holland B.V. Reifenaufbautrommel mit einer wulstumschlagvorrichtung
US20050028920A1 (en) * 2003-08-04 2005-02-10 Roedseth John Kolbjoern High crown first stage tire building drum
JP6587524B2 (ja) * 2015-11-30 2019-10-09 Toyo Tire株式会社 タイヤ成形装置
NL2018011B1 (en) * 2016-12-16 2018-06-26 Vmi Holland Bv Drum half, tire building machine and method for operating said tire building machine
EP3638496B1 (de) * 2017-06-16 2022-03-09 Harburg-Freudenberger Maschinenbau GmbH Verfahren und vorrichtung zur herstellung von reifen

Also Published As

Publication number Publication date
GB1532960A (en) 1978-11-22
FR2294043A1 (fr) 1976-07-09
DE2555111A1 (de) 1976-06-10
JPS5183680A (it) 1976-07-22
FR2294043B3 (it) 1978-12-01

Similar Documents

Publication Publication Date Title
IT1036124B (it) Procedimento per la fabbricazione di abrasivi
ATA578975A (de) Luftreifen
IT1029995B (it) Cintura battistrada per pneumatico
AT342438B (de) Luftreifen
IT1073915B (it) Perfezionamento nei rotori di eli cotteri
IT1054435B (it) Procedimento per la produzione di carbonilaldimminometanfosfonati
IT1041757B (it) Metodo per la fabbricazione di copertoni pneumatici
IT1052524B (it) Perfezionamento nei tamburi per la fabbricazione di copertoni
IT1036429B (it) Procedimento per la produzione di dimetisolfossido
IT1019680B (it) Metodo per la produzione di ci cloolefine
IT1063665B (it) Perfezionamento nei chiodi per copertoni
AT341354B (de) Luftreifen
AT344025B (de) Mehrkammerreifen
IT1029470B (it) Procedimento per la produzione di dragandpolisilossani modificati
IT1047280B (it) Procedimento per la produzione di polieteri polioli
IT1038525B (it) Perfizionamento nella fabricazio ne di copertoni pneumatic
IT1029479B (it) Perfezionamento nei rotori per compessori
IT1028111B (it) Pneumatico
IT7948446A0 (it) 3-fluorobenzodiazepine e procedimento per la loro produzione
IT1038616B (it) Procedimento per la fabricazione di alchilacetofenoni
IT1041180B (it) Procedimento per la produzione di diamminonaftalina
IT1040654B (it) Perfezionamento nei tamburi per la confezione di pneumatici
AT342441B (de) Luftreifen
IT1040616B (it) Perfezionamento nei procedimenti per la lavorazione di pellami
IT1041741B (it) Perfezionamento nei copertoni