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IT9067878A0 - Metodo e dispositivo per la realizzazione di camere d'aria per stampi di vulcanizzazione - Google Patents

Metodo e dispositivo per la realizzazione di camere d'aria per stampi di vulcanizzazione

Info

Publication number
IT9067878A0
IT9067878A0 IT9067878A IT6787890A IT9067878A0 IT 9067878 A0 IT9067878 A0 IT 9067878A0 IT 9067878 A IT9067878 A IT 9067878A IT 6787890 A IT6787890 A IT 6787890A IT 9067878 A0 IT9067878 A0 IT 9067878A0
Authority
IT
Italy
Prior art keywords
creation
air chambers
vulcanization molds
vulcanization
molds
Prior art date
Application number
IT9067878A
Other languages
English (en)
Other versions
IT1241314B (it
IT9067878A1 (it
Inventor
Marco Franzini
Fabrizio Giovannucci
Attilio Pomenti
Gordon Malcom Tomlinson
Original Assignee
Firestone Int Dev Spa
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 Firestone Int Dev Spa filed Critical Firestone Int Dev Spa
Priority to IT67878A priority Critical patent/IT1241314B/it
Publication of IT9067878A0 publication Critical patent/IT9067878A0/it
Priority to US07/774,759 priority patent/US5310518A/en
Priority to ES91118987T priority patent/ES2093059T3/es
Priority to DE69122714T priority patent/DE69122714T2/de
Priority to EP91118987A priority patent/EP0484939B1/en
Priority to JP31959291A priority patent/JP3172218B2/ja
Priority to KR1019910019946A priority patent/KR920009550A/ko
Publication of IT9067878A1 publication Critical patent/IT9067878A1/it
Application granted granted Critical
Publication of IT1241314B publication Critical patent/IT1241314B/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
    • B29D30/10—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)
    • B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
    • B29D30/0654—Flexible cores therefor, e.g. bladders, bags, membranes, diaphragms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/02—Transfer moulding, i.e. transferring the required volume of moulding material by a plunger from a "shot" cavity into a mould cavity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/43—Removing or ejecting moulded articles using fluid under pressure
    • B29C45/435—Removing or ejecting moulded articles using fluid under pressure introduced between a mould core and a hollow resilient undercut article, e.g. bellows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • B29C45/4407—Removing or ejecting moulded articles for undercut articles by flexible movement of undercut portions of the articles
    • 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)
    • B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
    • B29D30/0654—Flexible cores therefor, e.g. bladders, bags, membranes, diaphragms
    • B29D2030/0655—Constructional or chemical features of the flexible cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2021/00—Use of unspecified rubbers as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Tyre Moulding (AREA)
IT67878A 1990-11-09 1990-11-09 Metodo e dispositivo per la realizzazione di camere d'aria per stampi di vulcanizzazione IT1241314B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT67878A IT1241314B (it) 1990-11-09 1990-11-09 Metodo e dispositivo per la realizzazione di camere d'aria per stampi di vulcanizzazione
US07/774,759 US5310518A (en) 1990-11-09 1991-10-09 Method and device for manufacturing curing bladders
ES91118987T ES2093059T3 (es) 1990-11-09 1991-11-07 Metodo y dispositivo para fabricar bolsas de vulcanizacion.
DE69122714T DE69122714T2 (de) 1990-11-09 1991-11-07 Verfahren und Vorrichtung zum Herstellen von Vulkanisierbälgen
EP91118987A EP0484939B1 (en) 1990-11-09 1991-11-07 Method and device for manufacturing curing bladders
JP31959291A JP3172218B2 (ja) 1990-11-09 1991-11-08 加硫用ブラダーを製造する方法及び装置
KR1019910019946A KR920009550A (ko) 1990-11-09 1991-11-09 경화 블래더의 제조장치 및 방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67878A IT1241314B (it) 1990-11-09 1990-11-09 Metodo e dispositivo per la realizzazione di camere d'aria per stampi di vulcanizzazione

Publications (3)

Publication Number Publication Date
IT9067878A0 true IT9067878A0 (it) 1990-11-09
IT9067878A1 IT9067878A1 (it) 1992-05-10
IT1241314B IT1241314B (it) 1994-01-10

Family

ID=11306030

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67878A IT1241314B (it) 1990-11-09 1990-11-09 Metodo e dispositivo per la realizzazione di camere d'aria per stampi di vulcanizzazione

Country Status (7)

Country Link
US (1) US5310518A (it)
EP (1) EP0484939B1 (it)
JP (1) JP3172218B2 (it)
KR (1) KR920009550A (it)
DE (1) DE69122714T2 (it)
ES (1) ES2093059T3 (it)
IT (1) IT1241314B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5490966A (en) * 1994-11-02 1996-02-13 The Procter & Gamble Company Method for stripping open ended bellows part from injection mold
US5683644A (en) * 1995-11-13 1997-11-04 The Procter & Gamble Company Method for stripping open ended bellows part from injection mold
JP4369277B2 (ja) 2004-04-06 2009-11-18 株式会社ブリヂストン 中子製造用金型、及び、中子製造方法
US7404712B2 (en) * 2006-10-17 2008-07-29 Carlisle Intangible Company Multiple segment mold to manufacture tire bladders
US20170015074A1 (en) * 2015-07-13 2017-01-19 Bridgestone Americas Tire Operations, Llc System and method for building and curing a tire curing bladder
JP6804033B2 (ja) * 2016-07-14 2020-12-23 住友ゴム工業株式会社 加硫ブラダーの製造方法および原料ゴム板
RU2688602C1 (ru) * 2018-10-29 2019-05-21 федеральное государственное унитарное предприятие "Федеральный научно-производственный центр "Прогресс" (ФГУП "ФНПЦ "Прогресс") Устройство для формования резинокордных оболочек и способ для его осуществления

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1343460A (en) * 1919-07-01 1920-06-15 Dunlop Rubber Co Manufacture of tires
US2724425A (en) * 1953-06-30 1955-11-22 Us Rubber Co Tire building method
US3145423A (en) * 1961-09-25 1964-08-25 Prec Associates Inc Air-releasing mold
GB1159675A (en) * 1965-08-12 1969-07-30 Dunlop Co Ltd Pneumatic Tyres.
NL134519C (it) * 1966-01-17
GB1234832A (en) * 1968-07-05 1971-06-09 Berlin Gummiwerke Method of and apparatus for manufacturing resilient hollow bodies
US3813197A (en) * 1972-05-30 1974-05-28 Dayco Corp Apparatus for making an endless power transmission belt
FR2243072B1 (it) * 1973-09-10 1978-08-11 Int Basic Economy Corp
US3892512A (en) * 1973-09-13 1975-07-01 Alan V Diehl Transfer molding apparatus with resilient pad to distribute molding pressure
IT1150822B (it) * 1982-04-09 1986-12-17 Pirelli Camera d'aria e dispositivo per la fabbricazione della stessa
US4531902A (en) * 1983-11-14 1985-07-30 The B. F. Goodrich Company Apparatus for making improved tire curing bladders
US4954074A (en) * 1988-08-04 1990-09-04 Us Molding Machinery Company Injection bladder press
US4957676A (en) * 1989-08-23 1990-09-18 The Goodyear Tire & Rubber Company Detachment of tires from molds

Also Published As

Publication number Publication date
DE69122714D1 (de) 1996-11-21
JP3172218B2 (ja) 2001-06-04
KR920009550A (ko) 1992-06-25
EP0484939A1 (en) 1992-05-13
DE69122714T2 (de) 1997-03-13
EP0484939B1 (en) 1996-10-16
JPH04267117A (ja) 1992-09-22
IT1241314B (it) 1994-01-10
ES2093059T3 (es) 1996-12-16
IT9067878A1 (it) 1992-05-10
US5310518A (en) 1994-05-10

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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: 19941130