IT973172B - CORE FOR THE MANUFACTURE OF CURVES OF PLASTIC MATERIAL TUBES - Google Patents

CORE FOR THE MANUFACTURE OF CURVES OF PLASTIC MATERIAL TUBES

Info

Publication number
IT973172B
IT973172B IT3388672A IT3388672A IT973172B IT 973172 B IT973172 B IT 973172B IT 3388672 A IT3388672 A IT 3388672A IT 3388672 A IT3388672 A IT 3388672A IT 973172 B IT973172 B IT 973172B
Authority
IT
Italy
Prior art keywords
curves
core
manufacture
plastic material
material tubes
Prior art date
Application number
IT3388672A
Other languages
Italian (it)
Original Assignee
Messerschmitt R 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 Messerschmitt R Kg filed Critical Messerschmitt R Kg
Application granted granted Critical
Publication of IT973172B publication Critical patent/IT973172B/en

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)
IT3388672A 1972-01-07 1972-12-29 CORE FOR THE MANUFACTURE OF CURVES OF PLASTIC MATERIAL TUBES IT973172B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722200740 DE2200740A1 (en) 1972-01-07 1972-01-07 CORE FOR PIPE ELBOWS MADE OF PLASTIC

Publications (1)

Publication Number Publication Date
IT973172B true IT973172B (en) 1974-06-10

Family

ID=5832540

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3388672A IT973172B (en) 1972-01-07 1972-12-29 CORE FOR THE MANUFACTURE OF CURVES OF PLASTIC MATERIAL TUBES

Country Status (4)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT355799B (en) * 1976-12-22 1980-03-25 Eumig Elektrizitaets Und Matel METHOD FOR PRODUCING A CONTROL TUBE FROM PLASTIC
NL8100011A (en) * 1981-01-05 1982-08-02 Wavin Bv PART CORE FOR A CURVED CAVITY OF A FORMAT AND FORMING WITH A CURVED CAVITY.
CH654764A5 (en) * 1982-03-10 1986-03-14 Fischer Ag Georg METALLIC core puller.
ES2147482B1 (en) * 1997-01-10 2001-05-01 Tauvi Sa NOYO FOR MOLDING OF AN ELBOW IN THE INSIDE OF A MOLD AND PROCEDURE FOR SUCH MOLDING.
EP1578584A4 (en) * 2002-11-12 2008-07-30 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 (en) * 2020-09-08 2022-04-26 萧县威辰机电工程设备有限公司 Plastic forming die of easy-to-open die

Also Published As

Publication number Publication date
FR2167737A1 (en) 1973-08-24
AT320953B (en) 1975-03-10
FR2167737B3 (en) 1976-01-09
DE2200740A1 (en) 1973-07-12

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