ZA701430B - Injection mould having a closure in the injection channel particularly for moulded shapes of polyurethane - Google Patents

Injection mould having a closure in the injection channel particularly for moulded shapes of polyurethane

Info

Publication number
ZA701430B
ZA701430B ZA701430A ZA701430A ZA701430B ZA 701430 B ZA701430 B ZA 701430B ZA 701430 A ZA701430 A ZA 701430A ZA 701430 A ZA701430 A ZA 701430A ZA 701430 B ZA701430 B ZA 701430B
Authority
ZA
South Africa
Prior art keywords
injection
polyurethane
closure
channel particularly
moulded shapes
Prior art date
Application number
ZA701430A
Other languages
English (en)
Inventor
J Schwab
W Hascic
Original Assignee
Semperit Ag
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 Semperit Ag filed Critical Semperit Ag
Publication of ZA701430B publication Critical patent/ZA701430B/xx

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
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/28—Closure devices therefor
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • B29C44/424—Details of machines
    • B29C44/425—Valve or nozzle constructions; Details of injection devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
ZA701430A 1969-03-06 1970-03-03 Injection mould having a closure in the injection channel particularly for moulded shapes of polyurethane ZA701430B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT224869A AT311664B (de) 1969-03-06 1969-03-06 Verschlußeinrichtung für den Einspritzkanal einer Spritzgußform

Publications (1)

Publication Number Publication Date
ZA701430B true ZA701430B (en) 1971-01-27

Family

ID=3530780

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA701430A ZA701430B (en) 1969-03-06 1970-03-03 Injection mould having a closure in the injection channel particularly for moulded shapes of polyurethane

Country Status (2)

Country Link
AT (1) AT311664B (de)
ZA (1) ZA701430B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT385716B (de) * 1985-02-04 1988-05-10 Lim Kunststoff Tech Gmbh Form zum herstellen von gegenstaenden, insbesondere schuhsohlen

Also Published As

Publication number Publication date
AT311664B (de) 1973-11-26

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