GB1341277A - Apparatus for positioning a bead reinforcing strip on a pneumatic tyre - Google Patents

Apparatus for positioning a bead reinforcing strip on a pneumatic tyre

Info

Publication number
GB1341277A
GB1341277A GB2464371*A GB2464371A GB1341277A GB 1341277 A GB1341277 A GB 1341277A GB 2464371 A GB2464371 A GB 2464371A GB 1341277 A GB1341277 A GB 1341277A
Authority
GB
United Kingdom
Prior art keywords
radially
drum
chafer
former
axially
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
GB2464371*A
Other languages
English (en)
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.)
Dunlop Holdings Ltd
Original Assignee
Dunlop Holdings 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 Dunlop Holdings Ltd filed Critical Dunlop Holdings Ltd
Publication of GB1341277A publication Critical patent/GB1341277A/en
Expired legal-status Critical Current

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
    • B29D30/32—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
    • 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
    • B29D2030/3278—Folding down the ends of the tubular tyre component, e.g. the carcass, over the drum shoulders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tyre Moulding (AREA)
GB2464371*A 1970-03-24 1971-04-19 Apparatus for positioning a bead reinforcing strip on a pneumatic tyre Expired GB1341277A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7010538A FR2082693A5 (enExample) 1970-03-24 1970-03-24

Publications (1)

Publication Number Publication Date
GB1341277A true GB1341277A (en) 1973-12-19

Family

ID=9052795

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2464371*A Expired GB1341277A (en) 1970-03-24 1971-04-19 Apparatus for positioning a bead reinforcing strip on a pneumatic tyre

Country Status (4)

Country Link
US (1) US3746598A (enExample)
DE (1) DE2114339A1 (enExample)
FR (1) FR2082693A5 (enExample)
GB (1) GB1341277A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881974A (en) * 1971-04-28 1975-05-06 Establissments Michelin Raison Tire having two-ply carcass merging into one ply
PL2117820T3 (pl) * 2007-02-15 2012-05-31 Pirelli Sposób i aparat do wytwarzania opon
DE102010017272A1 (de) * 2010-06-08 2011-12-08 Continental Reifen Deutschland Gmbh Verfahren zur Herstellung eines Fahrzeugreifens
CN115384096B (zh) * 2022-10-25 2023-01-17 山东玲珑轮胎股份有限公司 一种内胎胎圈的侧壁折叠装置及折叠方法

Also Published As

Publication number Publication date
US3746598A (en) 1973-07-17
DE2114339A1 (de) 1971-10-21
FR2082693A5 (enExample) 1971-12-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees