FR2270085B1 - - Google Patents

Info

Publication number
FR2270085B1
FR2270085B1 FR7513788A FR7513788A FR2270085B1 FR 2270085 B1 FR2270085 B1 FR 2270085B1 FR 7513788 A FR7513788 A FR 7513788A FR 7513788 A FR7513788 A FR 7513788A FR 2270085 B1 FR2270085 B1 FR 2270085B1
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
FR7513788A
Other languages
French (fr)
Other versions
FR2270085A1 (OSRAM
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.)
Pirelli and C SpA
Original Assignee
Pirelli 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 Pirelli SpA filed Critical Pirelli SpA
Publication of FR2270085A1 publication Critical patent/FR2270085A1/fr
Application granted granted Critical
Publication of FR2270085B1 publication Critical patent/FR2270085B1/fr
Expired legal-status Critical Current

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
    • 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
    • B29C45/26—Moulds
    • B29C45/2616—Moulds having annular mould cavities
    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/53—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
    • B29C45/54—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw
    • 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)
    • B29D30/0678—Injection moulding specially adapted for tyres or parts thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Tyre Moulding (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
FR7513788A 1974-05-07 1975-05-02 Expired FR2270085B1 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2234874A IT1017576B (it) 1974-05-07 1974-05-07 Dispositivo per la fabbricazione di corpi in materiale elastromerico

Publications (2)

Publication Number Publication Date
FR2270085A1 FR2270085A1 (OSRAM) 1975-12-05
FR2270085B1 true FR2270085B1 (OSRAM) 1977-04-15

Family

ID=11195021

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7513788A Expired FR2270085B1 (OSRAM) 1974-05-07 1975-05-02

Country Status (8)

Country Link
JP (1) JPS50153080A (OSRAM)
AR (1) AR204487A1 (OSRAM)
BR (1) BR7502732A (OSRAM)
DE (1) DE2519587A1 (OSRAM)
ES (1) ES437220A1 (OSRAM)
FR (1) FR2270085B1 (OSRAM)
GB (1) GB1503580A (OSRAM)
IT (1) IT1017576B (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6194730A (ja) * 1984-10-17 1986-05-13 Shigeru Tsutsumi 小型精密射出成形装置
CN104097308A (zh) * 2014-07-15 2014-10-15 宁波海洲机械有限公司 一种双阶注射装置
CN119550535B (zh) * 2024-11-13 2025-10-24 扬州鑫智科技有限公司 一种生产减震块用成型模具及其使用方法

Also Published As

Publication number Publication date
DE2519587A1 (de) 1975-11-20
BR7502732A (pt) 1976-03-16
GB1503580A (en) 1978-03-15
AR204487A1 (es) 1976-02-06
JPS50153080A (OSRAM) 1975-12-09
ES437220A1 (es) 1977-01-16
FR2270085A1 (OSRAM) 1975-12-05
IT1017576B (it) 1977-08-10

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Legal Events

Date Code Title Description
ST Notification of lapse