FR1446490A - Device for folding down or fitting flexible elements when building tires - Google Patents

Device for folding down or fitting flexible elements when building tires

Info

Publication number
FR1446490A
FR1446490A FR20519A FR20519A FR1446490A FR 1446490 A FR1446490 A FR 1446490A FR 20519 A FR20519 A FR 20519A FR 20519 A FR20519 A FR 20519A FR 1446490 A FR1446490 A FR 1446490A
Authority
FR
France
Prior art keywords
flexible elements
folding down
building tires
fitting flexible
fitting
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
FR20519A
Other languages
French (fr)
Inventor
Noel Nebout
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 France SA
Original Assignee
Dunlop France SA
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 France SA filed Critical Dunlop France SA
Priority to FR20519A priority Critical patent/FR1446490A/en
Priority to GB2530466A priority patent/GB1141678A/en
Priority to DE19661579253 priority patent/DE1579253A1/en
Application granted granted Critical
Publication of FR1446490A publication Critical patent/FR1446490A/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
    • B29D30/24—Drums
    • B29D30/26—Accessories or details, e.g. membranes, transfer rings
    • B29D2030/2628—Bladders for shaping the inner parts of the tyre beads or sidewalls
    • 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
    • B29D2030/3235—Folding over means, e.g. bladders or rigid arms using two or more bladders 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
    • B29D2030/3242—Folding over means, e.g. bladders or rigid arms and with means for pressing the bladder against the ply material, e.g. bladder guide shoes, cages, arms
    • B29D2030/325—Folding over means, e.g. bladders or rigid arms and with means for pressing the bladder against the ply material, e.g. bladder guide shoes, cages, arms the means being radially expandable and contractible
FR20519A 1965-06-11 1965-06-11 Device for folding down or fitting flexible elements when building tires Expired FR1446490A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR20519A FR1446490A (en) 1965-06-11 1965-06-11 Device for folding down or fitting flexible elements when building tires
GB2530466A GB1141678A (en) 1965-06-11 1966-06-07 Improvements in and relating to tyre building apparatus
DE19661579253 DE1579253A1 (en) 1965-06-11 1966-06-10 Tire building machine and method for building vehicle tires

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR20519A FR1446490A (en) 1965-06-11 1965-06-11 Device for folding down or fitting flexible elements when building tires

Publications (1)

Publication Number Publication Date
FR1446490A true FR1446490A (en) 1966-07-22

Family

ID=8581735

Family Applications (1)

Application Number Title Priority Date Filing Date
FR20519A Expired FR1446490A (en) 1965-06-11 1965-06-11 Device for folding down or fitting flexible elements when building tires

Country Status (3)

Country Link
DE (1) DE1579253A1 (en)
FR (1) FR1446490A (en)
GB (1) GB1141678A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4148682A (en) * 1977-07-05 1979-04-10 Eaton Corporation Fluid expandable tire building drum
EP0004715A1 (en) * 1978-03-15 1979-10-17 Nrm Corporation Tire building machine
US4192702A (en) * 1977-07-05 1980-03-11 Eaton Corporation Fluid expandable tire building drum with shoe means attached thereto to form a tire building surface

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20070240A1 (en) 2007-04-04 2008-10-05 Marangoni Meccanica METHOD AND DRUM FOR THE FORMING OF A PNEUMATIC CARCASS

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4148682A (en) * 1977-07-05 1979-04-10 Eaton Corporation Fluid expandable tire building drum
US4192702A (en) * 1977-07-05 1980-03-11 Eaton Corporation Fluid expandable tire building drum with shoe means attached thereto to form a tire building surface
EP0004715A1 (en) * 1978-03-15 1979-10-17 Nrm Corporation Tire building machine

Also Published As

Publication number Publication date
DE1579253A1 (en) 1970-07-30
GB1141678A (en) 1969-01-29

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