FR2561987B1 - Procede de fabrication de chambre a air par moulage par injection - Google Patents

Procede de fabrication de chambre a air par moulage par injection

Info

Publication number
FR2561987B1
FR2561987B1 FR8504780A FR8504780A FR2561987B1 FR 2561987 B1 FR2561987 B1 FR 2561987B1 FR 8504780 A FR8504780 A FR 8504780A FR 8504780 A FR8504780 A FR 8504780A FR 2561987 B1 FR2561987 B1 FR 2561987B1
Authority
FR
France
Prior art keywords
injection molding
air chamber
manufacturing air
manufacturing
chamber
Prior art date
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
FR8504780A
Other languages
English (en)
French (fr)
Other versions
FR2561987A1 (fr
Inventor
Yasuo Igarashi
Makoto Sakuraoka
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.)
Sumitomo Rubber Industries Ltd
Original Assignee
Sumitomo Rubber Industries Ltd
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 Sumitomo Rubber Industries Ltd filed Critical Sumitomo Rubber Industries Ltd
Publication of FR2561987A1 publication Critical patent/FR2561987A1/fr
Application granted granted Critical
Publication of FR2561987B1 publication Critical patent/FR2561987B1/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
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00—Producing tubular articles
    • B29D23/24—Endless tubes, e.g. inner tubes for pneumatic tyres
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • 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
    • B29C45/261—Moulds having tubular mould cavities
    • B29C45/2614—Moulds having tubular mould cavities for manufacturing bent tubular articles using an undercut forming mould core

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
FR8504780A 1984-03-31 1985-03-29 Procede de fabrication de chambre a air par moulage par injection Expired FR2561987B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6478684A JPS60208225A (ja) 1984-03-31 1984-03-31 チューブおよびその製法

Publications (2)

Publication Number Publication Date
FR2561987A1 FR2561987A1 (fr) 1985-10-04
FR2561987B1 true FR2561987B1 (fr) 1988-06-24

Family

ID=13268256

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8504780A Expired FR2561987B1 (fr) 1984-03-31 1985-03-29 Procede de fabrication de chambre a air par moulage par injection

Country Status (2)

Country Link
JP (1) JPS60208225A (enrdf_load_stackoverflow)
FR (1) FR2561987B1 (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR822387A (fr) * 1936-09-03 1937-12-29 Perfectionnement à fabrication des chambres à air pour bandages pneumatiques
US2324974A (en) * 1938-05-17 1943-07-20 Firestone Tire & Rubber Co Inner tube and method of producing the same
IT1150822B (it) * 1982-04-09 1986-12-17 Pirelli Camera d'aria e dispositivo per la fabbricazione della stessa

Also Published As

Publication number Publication date
FR2561987A1 (fr) 1985-10-04
JPH0374175B2 (enrdf_load_stackoverflow) 1991-11-26
JPS60208225A (ja) 1985-10-19

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Legal Events

Date Code Title Description
ST Notification of lapse