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

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/32—Fitting the bead-rings or bead-cores; Folding the textile layers around the rings or cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/24—Drums
    • B29D30/244—Drums for manufacturing substantially cylindrical tyre components with cores or beads, e.g. carcasses
    • B29D30/246—Drums 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
    • B29D30/247—Arrangements for the first stage only, e.g. means for radially expanding the drum to lock the beads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/32—Fitting the bead-rings or bead-cores; Folding the textile layers around the rings or cores
    • B29D2030/3214—Locking the beads on the drum; details of the drum in the bead locking areas, e.g. drum shoulders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/32—Fitting the bead-rings or bead-cores; Folding the textile layers around the rings or cores
    • B29D2030/3221—Folding over means, e.g. bladders or rigid arms
    • B29D2030/3228—Folding over means, e.g. bladders or rigid arms using one bladder acting on each side of the drum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/32—Fitting the bead-rings or bead-cores; Folding the textile layers around the rings or cores
    • B29D2030/3221—Folding over means, e.g. bladders or rigid arms
    • B29D2030/3264—Folding 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
EP1001876B1 (en) * 1997-05-23 2002-10-30 Vmi Epe Holland B.V. Tyre building drum with turn-up apparatus
IT1303143B1 (it) * 1998-07-10 2000-10-30 Bridgestone Firestone Tech Tamburo unistadio per la formatura di pneumatici
ATE317326T1 (de) 2000-03-17 2006-02-15 Vmi Epe Holland 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
US20200207045A1 (en) * 2017-06-16 2020-07-02 Harburg-Freudenberger Maschinenbau Gmbh Method and apparatus for manufacturing tires

Also Published As

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

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