JPH0374175B2 - - Google Patents

Info

Publication number
JPH0374175B2
JPH0374175B2 JP6478684A JP6478684A JPH0374175B2 JP H0374175 B2 JPH0374175 B2 JP H0374175B2 JP 6478684 A JP6478684 A JP 6478684A JP 6478684 A JP6478684 A JP 6478684A JP H0374175 B2 JPH0374175 B2 JP H0374175B2
Authority
JP
Japan
Prior art keywords
tube
molding space
mandrel
manufacturing
shape
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
JP6478684A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60208225A (ja
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 filed Critical
Priority to JP6478684A priority Critical patent/JPS60208225A/ja
Priority to FR8504780A priority patent/FR2561987B1/fr
Publication of JPS60208225A publication Critical patent/JPS60208225A/ja
Publication of JPH0374175B2 publication Critical patent/JPH0374175B2/ja
Granted 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)
JP6478684A 1984-03-31 1984-03-31 チューブおよびその製法 Granted JPS60208225A (ja)

Priority Applications (2)

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
FR8504780A FR2561987B1 (fr) 1984-03-31 1985-03-29 Procede de fabrication de chambre a air par moulage par injection

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
JPS60208225A JPS60208225A (ja) 1985-10-19
JPH0374175B2 true JPH0374175B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-11-26

Family

ID=13268256

Family Applications (1)

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

Country Status (2)

Country Link
JP (1) JPS60208225A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2561987B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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
JPS60208225A (ja) 1985-10-19
FR2561987A1 (fr) 1985-10-04
FR2561987B1 (fr) 1988-06-24

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