IT1261154B - Unita' di supporto interno per carcasse toroidali. - Google Patents

Unita' di supporto interno per carcasse toroidali.

Info

Publication number
IT1261154B
IT1261154B ITTO931027A ITTO931027A IT1261154B IT 1261154 B IT1261154 B IT 1261154B IT TO931027 A ITTO931027 A IT TO931027A IT TO931027 A ITTO931027 A IT TO931027A IT 1261154 B IT1261154 B IT 1261154B
Authority
IT
Italy
Prior art keywords
segments
toroidal
support
define
support unit
Prior art date
Application number
ITTO931027A
Other languages
English (en)
Inventor
Karl J Siegenthaler
Original Assignee
Bridgestone Firestone Tech
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 Bridgestone Firestone Tech filed Critical Bridgestone Firestone Tech
Priority to ITTO931027A priority Critical patent/IT1261154B/it
Publication of ITTO931027A0 publication Critical patent/ITTO931027A0/it
Priority to US08343692 priority patent/US5460685B1/en
Priority to JP6336759A priority patent/JPH07195567A/ja
Priority to ES94120825T priority patent/ES2133473T3/es
Priority to DE69418990T priority patent/DE69418990T2/de
Priority to EP94120825A priority patent/EP0661150B1/en
Publication of ITTO931027A1 publication Critical patent/ITTO931027A1/it
Application granted granted Critical
Publication of IT1261154B publication Critical patent/IT1261154B/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
    • B29D30/24—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)
    • B29D30/36—Expansion of tyres in a flat form, i.e. expansion to a toroidal shape independently of their building-up process, e.g. of tyres built by the flat-tyres method or by jointly covering two bead-rings

Abstract

Unità (1) di supporto interno per carcasse (2) toroidali, in cui dei segmenti (23) di anello sono atti a definire un primo elemento anulare (24) di supporto per la porzione anulare intermedia (6) di una carcassa (2) toroidale; e due corone (25, 26) di elementi (27) di supporto sono selettivamente attivabili per supportare i talloni (4) della carcassa (2) stessa; i segmenti (23) definendo una prima (48) ed una seconda pluralità (49) di segmenti (23) mobili fra una posizione operativa, in cui le due pluralità (48, 49) di segmenti (23) definiscono il primo elemento anulare (24) di supporto, ed una posizione di riposo, in cui le due pluralità (48, 49) di segmenti (23) definiscono un secondo (52) e, rispettivamente, un terzo elemento (53) sostanzialmente anulare disposti allineati lungo un asse (9) e presentanti diametri esterni inferiori ad un diametro interno dei talloni (4).(FIGURA 4).
ITTO931027A 1993-12-31 1993-12-31 Unita' di supporto interno per carcasse toroidali. IT1261154B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
ITTO931027A IT1261154B (it) 1993-12-31 1993-12-31 Unita' di supporto interno per carcasse toroidali.
US08343692 US5460685B1 (en) 1993-12-31 1994-11-22 Inner supporting unit for toroidal carcasses
JP6336759A JPH07195567A (ja) 1993-12-31 1994-12-26 円環状カーカスの内部支持ユニツト
ES94120825T ES2133473T3 (es) 1993-12-31 1994-12-28 Unidad interna de sustentacion para carcasas toroidales.
DE69418990T DE69418990T2 (de) 1993-12-31 1994-12-28 Innere Trägereinheit für torusförmige Reifenkarkassen
EP94120825A EP0661150B1 (en) 1993-12-31 1994-12-28 Inner supporting unit for toroidal carcasses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO931027A IT1261154B (it) 1993-12-31 1993-12-31 Unita' di supporto interno per carcasse toroidali.

Publications (3)

Publication Number Publication Date
ITTO931027A0 ITTO931027A0 (it) 1993-12-31
ITTO931027A1 ITTO931027A1 (it) 1995-07-01
IT1261154B true IT1261154B (it) 1996-05-09

Family

ID=11411998

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO931027A IT1261154B (it) 1993-12-31 1993-12-31 Unita' di supporto interno per carcasse toroidali.

Country Status (6)

Country Link
US (1) US5460685B1 (it)
EP (1) EP0661150B1 (it)
JP (1) JPH07195567A (it)
DE (1) DE69418990T2 (it)
ES (1) ES2133473T3 (it)
IT (1) IT1261154B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1292759B1 (it) * 1997-06-10 1999-02-11 Bridgestone Firestone Tech Metodo per formare una carcassa completa di un pneumatico
ES2189042T3 (es) * 1997-07-08 2003-07-01 Bridgestone Corp Procedimiento y dispositivo para la produccion de una carcasa toroidal para un neumatico de vehiculo de carretera.
GB2327395A (en) * 1997-07-23 1999-01-27 Holroyd Associates Ltd Tyre manufacture
IT1303143B1 (it) 1998-07-10 2000-10-30 Bridgestone Firestone Tech Tamburo unistadio per la formatura di pneumatici
US6013147A (en) * 1998-07-21 2000-01-11 Wyko, Inc. Expandable belt and tread drum
CN100354118C (zh) * 2001-01-15 2007-12-12 米其林技术公司 轮胎成型鼓
US7833374B2 (en) 2003-03-14 2010-11-16 The Goodyear Tire & Rubber Company Radially expansible tire assembly drum and method for forming tires
JP4643709B2 (ja) 2006-05-19 2011-03-02 東洋ゴム工業株式会社 バンド成型ドラムにおけるバンド離脱方法及びバンド成型ドラム
JP5701753B2 (ja) * 2009-06-01 2015-04-15 株式会社ブリヂストン タイヤ製造ドラム、未加硫タイヤの製造装置及び製造方法
US9193122B2 (en) * 2011-09-26 2015-11-24 The Goodyear Tire & Rubber Company Solid deck bead lock drum
FR2981293B1 (fr) * 2011-10-14 2017-02-10 Soc De Tech Michelin Tambour de fabrication de pneumatique comprenant des secteurs mobiles
USD766349S1 (en) * 2014-09-10 2016-09-13 Robert Bosch Gmbh Assembly machine for tires

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1358941A (en) * 1919-02-17 1920-11-16 Gen Tire & Rubber Co Collapsible tire-core
GB202895A (en) * 1922-11-29 1923-08-30 Peter De Mattia Improvements in collapsible cores employed in the manufacture of pneumatic tyres
US1763589A (en) * 1927-11-18 1930-06-10 Goodyear Tire & Rubber Tire-forming machine
US2132834A (en) * 1935-01-22 1938-10-11 Firestone Tire & Rubber Co Tire building form
US2149604A (en) * 1937-02-02 1939-03-07 Frank L Johnson Collapsible form
US2325001A (en) * 1942-06-06 1943-07-20 Firestone Tire & Rubber Co Collapsible form
FR95397E (fr) * 1966-02-25 1970-09-11 Nrm Corp Tambour de confection des pneus a carcasse radiale.
US3582435A (en) * 1968-12-02 1971-06-01 Nat Standard Co Tire building apparatus including means for enclosing tire beads in tire carcass material in the construction of a tire
FR2125642A5 (it) * 1971-02-15 1972-09-29 Gazuit Georges
US3909336A (en) * 1973-04-19 1975-09-30 Bridgestone Tire Co Ltd Apparatus for successively supplying endless tire bands to a tire carcass producing equipment
US4780170A (en) * 1984-09-13 1988-10-25 The Uniroyal Goodrich Tire Company Drum lifting device
US5047108A (en) * 1990-03-09 1991-09-10 Wyko, Inc. Tire building drum for fabricating high profile type tire carcasses
IT1250032B (it) * 1991-10-31 1995-03-30 Firestone Int Dev Spa Metodo per la formatura di un pneumatico.

Also Published As

Publication number Publication date
EP0661150A2 (en) 1995-07-05
JPH07195567A (ja) 1995-08-01
EP0661150A3 (en) 1995-10-04
DE69418990T2 (de) 1999-12-02
ITTO931027A0 (it) 1993-12-31
EP0661150B1 (en) 1999-06-09
US5460685B1 (en) 1999-01-16
ITTO931027A1 (it) 1995-07-01
ES2133473T3 (es) 1999-09-16
DE69418990D1 (de) 1999-07-15
US5460685A (en) 1995-10-24

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971231