BR9304031A - Processo de moldagem e respectivo equipamento para a realiyaçao de manufaturados toroidais de material elastomérico expandido com baixa densidade e com células fechadas - Google Patents

Processo de moldagem e respectivo equipamento para a realiyaçao de manufaturados toroidais de material elastomérico expandido com baixa densidade e com células fechadas

Info

Publication number
BR9304031A
BR9304031A BR9304031A BR9304031A BR9304031A BR 9304031 A BR9304031 A BR 9304031A BR 9304031 A BR9304031 A BR 9304031A BR 9304031 A BR9304031 A BR 9304031A BR 9304031 A BR9304031 A BR 9304031A
Authority
BR
Brazil
Prior art keywords
realization
low density
molding process
closed cell
respective equipment
Prior art date
Application number
BR9304031A
Other languages
English (en)
Inventor
Alessandro Volpi
Ivano Vismara
Original Assignee
Pirelli
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 Pirelli filed Critical Pirelli
Publication of BR9304031A publication Critical patent/BR9304031A/pt

Links

Classifications

    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/58—Moulds
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/10—Applying counter-pressure during expanding
    • 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
    • B29D30/04—Resilient fillings for rubber tyres; Filling tyres therewith

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
BR9304031A 1992-10-19 1993-10-19 Processo de moldagem e respectivo equipamento para a realiyaçao de manufaturados toroidais de material elastomérico expandido com baixa densidade e com células fechadas BR9304031A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI922391A IT1255887B (it) 1992-10-19 1992-10-19 Procedimento di stampaggio e relativa apparecchiatura per la realizzazione di manufatti toroidali in materiale elastomerico espansoa bassa densita' e a celle chiuse.

Publications (1)

Publication Number Publication Date
BR9304031A true BR9304031A (pt) 1994-04-26

Family

ID=11364133

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9304031A BR9304031A (pt) 1992-10-19 1993-10-19 Processo de moldagem e respectivo equipamento para a realiyaçao de manufaturados toroidais de material elastomérico expandido com baixa densidade e com células fechadas

Country Status (6)

Country Link
US (2) US5417898A (pt)
EP (1) EP0594072B1 (pt)
BR (1) BR9304031A (pt)
DE (1) DE69318097T2 (pt)
ES (1) ES2115704T3 (pt)
IT (1) IT1255887B (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2758505B1 (fr) * 1997-01-23 1999-04-09 Cera Procede pour la realisation d'un appui-tete annulaire
GB2328638B (en) * 1997-08-28 1999-09-22 Sun Own Ind Co Ltd Method for making a surfboard
US5985188A (en) * 1998-06-09 1999-11-16 Aero Components, Inc. Method for manufacturing a chair having separate moldable parts
DE60112838T2 (de) * 2000-05-19 2006-06-01 Société de Technologie Michelin Verfahren und Vorrichtung zur Vernetzen/Expandieren eines Rohlings für eine Sicherheitsauflage für Luftreifen und durch dieses Verfahren erhaltene Auflage
US6348167B1 (en) * 2000-06-12 2002-02-19 Sun Own Industrial Co., Ltd. Method of making a surfboard
JP4589566B2 (ja) * 2001-06-01 2010-12-01 株式会社ブリヂストン タイヤ用発泡チューブを成型するためのモールド及びタイヤ用発泡チューブの製造方法
US8246872B2 (en) * 2008-12-22 2012-08-21 The Gates Corporation Method for making composite article with expandable elastomer in compression
GB2526632B (en) 2014-06-24 2016-04-13 Gecko Rubber Ltd Improvements in and relating to expanded rubber articles
BR112017015181A2 (pt) * 2015-01-16 2018-01-16 Dayco Ip Holdings Llc membros elastoméricos para um amortecedor de vibração torsional, método para fazer um membro elastomérico para um amortecedor de vibração torsional, amortecedor de vibração torsional
US9943146B2 (en) * 2015-05-27 2018-04-17 Qalo Llc Compression molded silicone ring
EP3727819B1 (en) * 2017-12-21 2022-03-16 Pirelli Tyre S.p.A. Process and apparatus for manufacturing a mousse for vehicle wheels

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2271498A (en) * 1941-04-08 1942-01-27 Salta Corp Method for making closed-cell cellular hard rubber and product of the method
US2525965A (en) * 1948-01-30 1950-10-17 Us Rubber Co Molding method
US2893058A (en) * 1955-06-24 1959-07-07 Federal Mogul Bower Bearings Seal ring
FR1344241A (fr) * 1962-04-18 1963-11-29 Procédé pour l'obtention de matériaux alvéolaires souples ou rigides à cellules non communicantes, installation pour la mise en oeuvre du présent procédé, et les articles conformes à ceux obtenus par ledit procédé ou procédé similaire
DE1694163A1 (de) * 1966-09-28 1970-09-03 Furukawa Electric Co Ltd Verfahren zur Herstellung eines Polyolefinmischschaumstoffs
FR95799E (fr) * 1967-11-13 1971-06-25 Michelin & Cie Manufacture Fra Perfectionnements aux enveloppes de pneumatiques.
US3605848A (en) * 1968-12-23 1971-09-20 Inter Polymer Res Corp Microcellular urethane elastomers of relatively low density
US4060578A (en) * 1973-10-30 1977-11-29 Kisbany Frederick N Method of foam-filling a tire carcass
US4208368A (en) * 1978-07-18 1980-06-17 Gebruder Buhler Ag Method and apparatus for injection molding foamed plastic articles using a pre-pressurized mold having fixed core members with controlled venting
FR2467092A1 (fr) * 1979-10-11 1981-04-17 Hutchinson Mapa Perfectionnements apportes aux procedes de fabrication de chambres du type dit increvable pour roues de vehicules et analogues, et chambres increvables ainsi obtenues
NL8001681A (nl) * 1980-03-21 1981-10-16 Koorevaar Arie Werkwijze en inrichting voor het vormen van een band voor een wielvelg.
US4352854A (en) * 1980-03-28 1982-10-05 Phillips Petroleum Company Molded sponge-like thermoplastic elastomer articles having thin, dense skins and a process for their production
JPS5816839A (ja) * 1981-07-24 1983-01-31 Sumitomo Rubber Ind Ltd エラストマ−物品の加硫方法
US4588542A (en) * 1981-05-04 1986-05-13 G. P. Plastics, Inc. Bicycle wheel assembly
JPS6169421A (ja) * 1984-09-14 1986-04-10 Asahi Chem Ind Co Ltd 発泡成形体の成形方法
JPS6294314A (ja) * 1985-10-21 1987-04-30 Nok Corp パツキンの製造方法およびその成形型
US4909972A (en) * 1985-12-02 1990-03-20 Britz Johannes H Method and apparatus for making a solid foamed tire core
US4783292A (en) * 1987-06-15 1988-11-08 Rogers Roy K Method of injection molding a foamed plastic article using a relatively light gas as a blowing agent
EP0438874A3 (en) * 1989-12-05 1992-06-10 Tonen Chemical Corporation Method of producing thick, integral cross-linked foam of thermoplastic polyolefin
JPH0661766B2 (ja) * 1989-12-28 1994-08-17 住友ゴム工業株式会社 エラストマー物品の加硫方法
US5314648A (en) * 1991-12-16 1994-05-24 Kabushiki Kaisha Kobe Seiko Sho Tire vulcanizing machine and method

Also Published As

Publication number Publication date
US5417898A (en) 1995-05-23
EP0594072B1 (en) 1998-04-22
DE69318097D1 (de) 1998-05-28
ITMI922391A0 (it) 1992-10-19
ITMI922391A1 (it) 1994-04-19
ES2115704T3 (es) 1998-07-01
US5614225A (en) 1997-03-25
EP0594072A1 (en) 1994-04-27
IT1255887B (it) 1995-11-17
DE69318097T2 (de) 1998-10-29

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Legal Events

Date Code Title Description
EE Request for examination
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 15A,16A E 17A ANUIDADES

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2277 DE 26/08/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 15A, 16A E 17A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2607 DE 22-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.