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ES334084A1 - A method and an apparatus for the molding of plastic articles. (Machine-translation by Google Translate, not legally binding) - Google Patents

A method and an apparatus for the molding of plastic articles. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES334084A1
ES334084A1 ES0334084A ES334084A ES334084A1 ES 334084 A1 ES334084 A1 ES 334084A1 ES 0334084 A ES0334084 A ES 0334084A ES 334084 A ES334084 A ES 334084A ES 334084 A1 ES334084 A1 ES 334084A1
Authority
ES
Spain
Prior art keywords
concave
piece
mold
translation
machine
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
ES0334084A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Columbian Carbon Co
Original Assignee
Columbian Carbon Co
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 Columbian Carbon Co filed Critical Columbian Carbon Co
Publication of ES334084A1 publication Critical patent/ES334084A1/en
Expired legal-status Critical Current

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
    • B29C45/16—Making multilayered or multicoloured 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
    • 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
    • B29C45/30—Flow control means disposed within the sprue channel, e.g. "torpedo" construction
    • 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
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/43—Removing or ejecting moulded articles using fluid under pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

A method and apparatus for molding plastic articles provided with relief figures of different color or a different plastic composition only on one side of a concave or base piece, characterized in that said method is formed first by a piece concave or base (78) in a first mold (24) of a first thermoplastic resin, the concave or base part then being transferred to a second mold (26) having a core that completely occupies the inner back of the concave or base piece and which is formed with cavities corresponding to the relief figures that are to be formed on the obverse of the concave piece, and a second molten thermoplastic resin is injected into said cavities at a sufficiently high velocity and pressure to cause melting or erosion of the surface of the concave piece so that relief figures of the shape of the cavities of the mold are formed on the concave mold ada, as an integral part of it. (Machine-translation by Google Translate, not legally binding)
ES0334084A 1965-12-03 1966-12-02 A method and an apparatus for the molding of plastic articles. (Machine-translation by Google Translate, not legally binding) Expired ES334084A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51138665A 1965-12-03 1965-12-03

Publications (1)

Publication Number Publication Date
ES334084A1 true ES334084A1 (en) 1967-12-16

Family

ID=24034675

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0334084A Expired ES334084A1 (en) 1965-12-03 1966-12-02 A method and an apparatus for the molding of plastic articles. (Machine-translation by Google Translate, not legally binding)

Country Status (7)

Country Link
BE (1) BE690685A (en)
DE (1) DE1529845A1 (en)
ES (1) ES334084A1 (en)
FR (1) FR1503212A (en)
GB (1) GB1162354A (en)
LU (1) LU52491A1 (en)
NL (1) NL6616990A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2162413A1 (en) * 1972-12-04 1973-07-20 Dupont Rene Pneumatic ejection of mouldings - esp shoe soles of expanded pvc susceptible to damage

Also Published As

Publication number Publication date
GB1162354A (en) 1969-08-27
LU52491A1 (en) 1967-02-02
DE1529845A1 (en) 1969-04-24
BE690685A (en) 1967-06-05
NL6616990A (en) 1967-06-05
FR1503212A (en) 1967-11-24

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