FR2448429B1 - - Google Patents

Info

Publication number
FR2448429B1
FR2448429B1 FR7903015A FR7903015A FR2448429B1 FR 2448429 B1 FR2448429 B1 FR 2448429B1 FR 7903015 A FR7903015 A FR 7903015A FR 7903015 A FR7903015 A FR 7903015A FR 2448429 B1 FR2448429 B1 FR 2448429B1
Authority
FR
France
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
FR7903015A
Other languages
French (fr)
Other versions
FR2448429A1 (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.)
KT
Original Assignee
KT
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
Priority to DE2902022A priority Critical patent/DE2902022C2/en
Application filed by KT filed Critical KT
Priority to FR7903015A priority patent/FR2448429A1/en
Publication of FR2448429A1 publication Critical patent/FR2448429A1/en
Application granted granted Critical
Publication of FR2448429B1 publication Critical patent/FR2448429B1/fr
Granted 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
    • B29D30/24—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
    • 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)
FR7903015A 1979-01-19 1979-02-06 Installation for assembling a number of tyres simultaneously - has four expandable drums on common shaft with cutter (CS 30.4.80) Granted FR2448429A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE2902022A DE2902022C2 (en) 1979-01-19 1979-01-19 Method of building pneumatic tires and apparatus for carrying out the same
FR7903015A FR2448429A1 (en) 1979-01-19 1979-02-06 Installation for assembling a number of tyres simultaneously - has four expandable drums on common shaft with cutter (CS 30.4.80)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2902022A DE2902022C2 (en) 1979-01-19 1979-01-19 Method of building pneumatic tires and apparatus for carrying out the same
FR7903015A FR2448429A1 (en) 1979-01-19 1979-02-06 Installation for assembling a number of tyres simultaneously - has four expandable drums on common shaft with cutter (CS 30.4.80)

Publications (2)

Publication Number Publication Date
FR2448429A1 FR2448429A1 (en) 1980-09-05
FR2448429B1 true FR2448429B1 (en) 1981-11-13

Family

ID=25777479

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7903015A Granted FR2448429A1 (en) 1979-01-19 1979-02-06 Installation for assembling a number of tyres simultaneously - has four expandable drums on common shaft with cutter (CS 30.4.80)

Country Status (2)

Country Link
DE (1) DE2902022C2 (en)
FR (1) FR2448429A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5190605A (en) * 1987-11-13 1993-03-02 Bridgestone/Firestone Inc. Apparatus and method for manufacturing two pneumatic tires
GB8726624D0 (en) * 1987-11-13 1987-12-16 Holroyd Associates Ltd Manufacturing pneumatic tyres
DE4425246A1 (en) * 1994-07-16 1996-01-18 Schoeniger Karl Heinz Illuminated scoreboard

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2818907A (en) * 1955-05-26 1958-01-07 Goodrich Co B F Tire building machinery
US3318745A (en) * 1962-12-04 1967-05-09 Us Rubber Co Method of making a tire carcass
US3700526A (en) * 1970-02-11 1972-10-24 Firestone Tire & Rubber Co Tire building machine having means advancing a plurality of drums through a plurality of assembly stations

Also Published As

Publication number Publication date
DE2902022C2 (en) 1983-02-17
DE2902022A1 (en) 1980-08-07
FR2448429A1 (en) 1980-09-05

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Legal Events

Date Code Title Description
ST Notification of lapse