AT320953B - Kern für Spritzgußformen zur Herstellung von Rohrbögen - Google Patents

Kern für Spritzgußformen zur Herstellung von Rohrbögen

Info

Publication number
AT320953B
AT320953B AT995172A AT995172A AT320953B AT 320953 B AT320953 B AT 320953B AT 995172 A AT995172 A AT 995172A AT 995172 A AT995172 A AT 995172A AT 320953 B AT320953 B AT 320953B
Authority
AT
Austria
Prior art keywords
core
production
injection molds
pipe bends
bends
Prior art date
Application number
AT995172A
Other languages
German (de)
English (en)
Original Assignee
Rudolf Messerschmitt Kg
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 Rudolf Messerschmitt Kg filed Critical Rudolf Messerschmitt Kg
Application granted granted Critical
Publication of AT320953B publication Critical patent/AT320953B/de

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
    • B29C45/261—Moulds having tubular mould cavities
    • B29C45/2614—Moulds having tubular mould cavities for manufacturing bent tubular articles using an undercut forming mould core
    • 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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/24—Pipe joints or couplings
    • B29L2031/243—Elbows

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
AT995172A 1972-01-07 1972-11-22 Kern für Spritzgußformen zur Herstellung von Rohrbögen AT320953B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722200740 DE2200740A1 (de) 1972-01-07 1972-01-07 Kern fuer rohrboegen aus kunststoff

Publications (1)

Publication Number Publication Date
AT320953B true AT320953B (de) 1975-03-10

Family

ID=5832540

Family Applications (1)

Application Number Title Priority Date Filing Date
AT995172A AT320953B (de) 1972-01-07 1972-11-22 Kern für Spritzgußformen zur Herstellung von Rohrbögen

Country Status (4)

Country Link
AT (1) AT320953B (ar)
DE (1) DE2200740A1 (ar)
FR (1) FR2167737A1 (ar)
IT (1) IT973172B (ar)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT355799B (de) * 1976-12-22 1980-03-25 Eumig Elektrizitaets Und Matel Verfahren zur herstellung eines steuertubus aus kunststoff
NL8100011A (nl) * 1981-01-05 1982-08-02 Wavin Bv Deelkern voor een gebogen holte van een vormstuk en vormstuk voorzien van een gebogen holte.
CH654764A5 (de) * 1982-03-10 1986-03-14 Fischer Ag Georg Metallischer kernzug.
ES2147482B1 (es) * 1997-01-10 2001-05-01 Tauvi Sa Noyo para moldeado de un codo en el interior de un molde y procedimiento para dicho moldeado.
WO2004043674A2 (en) * 2002-11-12 2004-05-27 Entegris, Inc. Process and apparatus for molding polymer fittings
EP2332713A1 (en) * 2009-12-09 2011-06-15 Tool-Tech Holding B.V. Multi cavity mould for injection moulding elbow fittings
CN112140473B (zh) * 2020-09-08 2022-04-26 萧县威辰机电工程设备有限公司 一种易开模的塑料成型模具

Also Published As

Publication number Publication date
IT973172B (it) 1974-06-10
FR2167737A1 (en) 1973-08-24
FR2167737B3 (ar) 1976-01-09
DE2200740A1 (de) 1973-07-12

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee