WO1999004953A3 - Improvements in tyre manufacture - Google Patents

Improvements in tyre manufacture Download PDF

Info

Publication number
WO1999004953A3
WO1999004953A3 PCT/GB1998/002198 GB9802198W WO9904953A3 WO 1999004953 A3 WO1999004953 A3 WO 1999004953A3 GB 9802198 W GB9802198 W GB 9802198W WO 9904953 A3 WO9904953 A3 WO 9904953A3
Authority
WO
WIPO (PCT)
Prior art keywords
tyre
turn
tyre manufacture
profile portion
state
Prior art date
Application number
PCT/GB1998/002198
Other languages
French (fr)
Other versions
WO1999004953A2 (en
Inventor
Eric Holroyd
Colin Holroyd
Original Assignee
Holroyd Associates Ltd
Eric Holroyd
Colin Holroyd
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 Holroyd Associates Ltd, Eric Holroyd, Colin Holroyd filed Critical Holroyd Associates Ltd
Priority to AU84548/98A priority Critical patent/AU8454898A/en
Publication of WO1999004953A2 publication Critical patent/WO1999004953A2/en
Publication of WO1999004953A3 publication Critical patent/WO1999004953A3/en

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
    • B29D30/10—Building tyres on round cores, i.e. the shape of the core is approximately identical with the shape of the completed tyre
    • B29D30/12—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
    • B29D30/10—Building tyres on round cores, i.e. the shape of the core is approximately identical with the shape of the completed tyre
    • B29D30/18—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
    • B29D2030/3228—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)
  • Tyre Moulding (AREA)

Abstract

A support for use in tyre manufacture comprises a profile portion (24) corresponding to the near final shape of a tyre to be manufactured, and turn up means (38) arranged either side of the profile portion (24). Each turn up means (38) includes a flange movable into an upstanding state, in which state the turn up means defines a support surface against which a component of a tyre can be wound.
PCT/GB1998/002198 1997-07-23 1998-07-22 Improvements in tyre manufacture WO1999004953A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU84548/98A AU8454898A (en) 1997-07-23 1998-07-22 Improvements in tyre manufacture

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9715456A GB2327396B (en) 1997-07-23 1997-07-23 Improvements in tyre manufacture
GB9715456.1 1997-07-23

Publications (2)

Publication Number Publication Date
WO1999004953A2 WO1999004953A2 (en) 1999-02-04
WO1999004953A3 true WO1999004953A3 (en) 1999-04-08

Family

ID=10816277

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1998/002198 WO1999004953A2 (en) 1997-07-23 1998-07-22 Improvements in tyre manufacture

Country Status (3)

Country Link
AU (1) AU8454898A (en)
GB (1) GB2327396B (en)
WO (1) WO1999004953A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4453168B2 (en) * 2000-06-23 2010-04-21 日本電気株式会社 Mobile communication control method, cellular system, mobile station, base station, and base station controller
KR100906737B1 (en) * 2007-11-05 2009-07-09 한국타이어 주식회사 Bead structure building apparatus in green tire building machine
US20130186554A1 (en) * 2012-01-23 2013-07-25 Dennis Alan Lundell Trapezoidal tire-building mandrels

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1423929A (en) * 1916-06-19 1922-07-25 Fisk Rubber Co Method of and apparatus for forming a tire bead
US1647164A (en) * 1925-11-30 1927-11-01 Fisk Rubber Co Building-core read ring
US3173821A (en) * 1959-12-09 1965-03-16 Dunlop Tire & Rubber Corp Ply turning device for use in the manufacture of pneumatic tyres
FR2093180A5 (en) * 1970-06-04 1972-01-28 Gazuit Georges Radial tyre forming drum
US3971694A (en) * 1966-02-25 1976-07-27 Nrm Corporation Manufacture of radial-carcass tires
US4378042A (en) * 1980-06-11 1983-03-29 Mitsubishi Belting Ltd. Foldable bicycle tire having flexible beads
EP0778161A1 (en) * 1995-12-08 1997-06-11 Sumitomo Rubber Industries Limited Pneumatic tyre and its manufacturing method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1177812B (en) * 1961-10-10 1964-09-10 Continental Gummi Werke Ag Machine for the manufacture of carcasses for pneumatic vehicle tires
US3560301A (en) * 1967-05-29 1971-02-02 Nrm Corp Tire building machine
DE1778131B2 (en) * 1968-03-30 1974-06-12 Continental Gummi-Werke Ag, 3000 Hannover Building drum for radial tire blanks
US3785905A (en) * 1971-06-28 1974-01-15 P Badenkov Equipment for building pneumatic tyres

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1423929A (en) * 1916-06-19 1922-07-25 Fisk Rubber Co Method of and apparatus for forming a tire bead
US1647164A (en) * 1925-11-30 1927-11-01 Fisk Rubber Co Building-core read ring
US3173821A (en) * 1959-12-09 1965-03-16 Dunlop Tire & Rubber Corp Ply turning device for use in the manufacture of pneumatic tyres
US3971694A (en) * 1966-02-25 1976-07-27 Nrm Corporation Manufacture of radial-carcass tires
FR2093180A5 (en) * 1970-06-04 1972-01-28 Gazuit Georges Radial tyre forming drum
US4378042A (en) * 1980-06-11 1983-03-29 Mitsubishi Belting Ltd. Foldable bicycle tire having flexible beads
EP0778161A1 (en) * 1995-12-08 1997-06-11 Sumitomo Rubber Industries Limited Pneumatic tyre and its manufacturing method

Also Published As

Publication number Publication date
WO1999004953A2 (en) 1999-02-04
AU8454898A (en) 1999-02-16
GB2327396A (en) 1999-01-27
GB2327396B (en) 2001-06-13
GB9715456D0 (en) 1997-09-24

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