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NL141421B - MULTI-PIECE EXPANDABLE AND CONTRACTABLE CORE FOR MAKING HOLLOW OBJECTS. - Google Patents

MULTI-PIECE EXPANDABLE AND CONTRACTABLE CORE FOR MAKING HOLLOW OBJECTS.

Info

Publication number
NL141421B
NL141421B NL7003233A NL7003233A NL141421B NL 141421 B NL141421 B NL 141421B NL 7003233 A NL7003233 A NL 7003233A NL 7003233 A NL7003233 A NL 7003233A NL 141421 B NL141421 B NL 141421B
Authority
NL
Netherlands
Prior art keywords
making hollow
hollow objects
piece expandable
contractable
core
Prior art date
Application number
NL7003233A
Other languages
Dutch (nl)
Other versions
NL7003233A (en
Original Assignee
Vredestein Rubber
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 Vredestein Rubber filed Critical Vredestein Rubber
Priority to NL7003233A priority Critical patent/NL141421B/en
Priority to DE19712110508 priority patent/DE2110508A1/en
Publication of NL7003233A publication Critical patent/NL7003233A/xx
Publication of NL141421B publication Critical patent/NL141421B/en

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)
    • B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
    • B29D30/0606—Vulcanising moulds not integral with vulcanising presses
    • 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
    • B29C33/48—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 with means for collapsing or disassembling
    • B29C33/485—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 with means for collapsing or disassembling cores or mandrels
    • 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)
    • 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
    • B29D30/0661—Rigid cores therefor, e.g. annular or substantially toroidal cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2030/00—Pneumatic or solid tyres or parts thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
NL7003233A 1970-03-06 1970-03-06 MULTI-PIECE EXPANDABLE AND CONTRACTABLE CORE FOR MAKING HOLLOW OBJECTS. NL141421B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL7003233A NL141421B (en) 1970-03-06 1970-03-06 MULTI-PIECE EXPANDABLE AND CONTRACTABLE CORE FOR MAKING HOLLOW OBJECTS.
DE19712110508 DE2110508A1 (en) 1970-03-06 1971-03-05 Compound expansible core for pneumatic tyre manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7003233A NL141421B (en) 1970-03-06 1970-03-06 MULTI-PIECE EXPANDABLE AND CONTRACTABLE CORE FOR MAKING HOLLOW OBJECTS.

Publications (2)

Publication Number Publication Date
NL7003233A NL7003233A (en) 1971-09-08
NL141421B true NL141421B (en) 1974-03-15

Family

ID=19809521

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7003233A NL141421B (en) 1970-03-06 1970-03-06 MULTI-PIECE EXPANDABLE AND CONTRACTABLE CORE FOR MAKING HOLLOW OBJECTS.

Country Status (2)

Country Link
DE (1) DE2110508A1 (en)
NL (1) NL141421B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL188626C (en) * 1977-10-27 1992-08-17 Geyer & Co Fa SPREADING CORE FOR THE MANUFACTURE OF NOZZLES.
FR2407061A1 (en) * 1977-10-28 1979-05-25 Geyer & Co Sliding sleeve insert pins for injection moulding undercut profiles - suitable for disengaging small diameter recesses
DE3011199C2 (en) * 1980-03-22 1982-11-11 Klöckner-Werke AG, 4100 Duisburg Method and device for manufacturing vehicle tires
EP2396164B1 (en) * 2009-02-12 2015-03-11 Kringlan Composites AG Method for producing parts of fiber reinforced plastics
JP5667606B2 (en) * 2012-07-30 2015-02-12 住友ゴム工業株式会社 Rigid core for tire formation

Also Published As

Publication number Publication date
DE2110508A1 (en) 1971-09-16
NL7003233A (en) 1971-09-08

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