FR2015660A1 - Manufacture by injection moulding of plastic articles - consisting of several parts - Google Patents

Manufacture by injection moulding of plastic articles - consisting of several parts

Info

Publication number
FR2015660A1
FR2015660A1 FR6927973A FR6927973A FR2015660A1 FR 2015660 A1 FR2015660 A1 FR 2015660A1 FR 6927973 A FR6927973 A FR 6927973A FR 6927973 A FR6927973 A FR 6927973A FR 2015660 A1 FR2015660 A1 FR 2015660A1
Authority
FR
France
Prior art keywords
moulded
parts
moulding
manufacture
injection moulding
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.)
Withdrawn
Application number
FR6927973A
Other languages
French (fr)
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.)
Dave Chapman Goldsmith and Yamasaki Inc
Original Assignee
Dave Chapman Goldsmith and Yamasaki Inc
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 Dave Chapman Goldsmith and Yamasaki Inc filed Critical Dave Chapman Goldsmith and Yamasaki Inc
Publication of FR2015660A1 publication Critical patent/FR2015660A1/en
Withdrawn legal-status Critical Current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
    • B29C45/1615—The materials being injected at different moulding stations
    • 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
    • B29C45/0017—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor moulding interconnected elements which are movable with respect to one another, e.g. chains or hinges
    • 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
    • B29C2045/1601—Making multilayered or multicoloured articles the injected materials not being adhered or bonded to each other
    • 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
    • B29C45/03—Injection moulding apparatus
    • B29C45/04—Injection moulding apparatus using movable moulds or mould halves
    • B29C45/06—Injection moulding apparatus using movable moulds or mould halves mounted on a turntable, i.e. on a rotating support having a rotating axis parallel to the mould opening, closing or clamping direction
    • B29C45/062—Injection moulding apparatus using movable moulds or mould halves mounted on a turntable, i.e. on a rotating support having a rotating axis parallel to the mould opening, closing or clamping direction carrying mould halves co-operating with fixed mould halves
    • 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
    • B29L2023/00—Tubular articles
    • B29L2023/20—Flexible squeeze tubes, e.g. for cosmetics

Landscapes

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

Abstract

In a multi-stage injection moulding process, a first moulded part functions as a moulding matrix for a second part to be moulded, in such a manner that later separation of both parts is possible. This is achieved by exchanging the mould cores after moulding and setting of the first part, and forming a moulding cavity for the second part between the first part and mould cores having a different profile. The second part is preferably moulded at a temp. below the melting point of the plastic material of the first part to prevent bonding between both parts; and a separating agent may be applied to the exposed zones of the first part. This method is particularly suitable for the manufacture of hermetically sealed, multiple container closures (sucking, bottle closure with perforated nipple, plus sealing cap). Ethylvinylacetate and polypropylene may be used in combination. The first part may be moulded with an undercut to provide mechanical connection between both parts.
FR6927973A 1968-08-14 1969-08-14 Manufacture by injection moulding of plastic articles - consisting of several parts Withdrawn FR2015660A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75271168A 1968-08-14 1968-08-14

Publications (1)

Publication Number Publication Date
FR2015660A1 true FR2015660A1 (en) 1970-04-30

Family

ID=25027474

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6927973A Withdrawn FR2015660A1 (en) 1968-08-14 1969-08-14 Manufacture by injection moulding of plastic articles - consisting of several parts

Country Status (2)

Country Link
DE (1) DE1941479A1 (en)
FR (1) FR2015660A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1332859A1 (en) * 2002-02-04 2003-08-06 Arrow Innovations LLC Translational spout closure for a container, and method of making same

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3340122A1 (en) * 1983-11-05 1985-05-23 Fickenscher & Co GmbH Werkzeug-und Formenbau, 8672 Selb METHOD FOR INJECTION MOLDING OBJECTS FROM PLASTIC
EP0233922A4 (en) * 1985-08-28 1987-10-26 Baxter Travenol Lab Two-material molding process and device.
KR100214739B1 (en) * 1991-09-17 1999-08-02 포스베르크 라스-에케 Closure unit for containers of flowable goods
DE59206114D1 (en) * 1991-12-12 1996-05-30 Tetra Laval Holdings & Finance Sealing unit
ES2095445T3 (en) * 1991-12-12 1997-02-16 Tetra Laval Holdings & Finance CLOSURE SET OF A FLUID PRODUCT CONTAINER.
DE59206366D1 (en) * 1991-12-12 1996-06-27 Tetra Laval Holdings & Finance Closure unit of a container for flowable goods
DE4212699C1 (en) * 1992-04-16 1993-04-15 Kloeckner Ferromatik Desma Gmbh, 7831 Malterdingen, De
FR2749533B1 (en) * 1996-06-06 1998-07-24 Cebal PROCESS FOR MANUFACTURING HIGH-SPEED PLASTIC MATERIAL ASSEMBLIES
FR2752561B1 (en) * 1996-08-22 1998-09-18 Oreal DISTRIBUTION CAP FOR A LIQUID PRODUCT EQUIPPED WITH A CAP, AND METHOD FOR MANUFACTURING THIS CAPSULE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1332859A1 (en) * 2002-02-04 2003-08-06 Arrow Innovations LLC Translational spout closure for a container, and method of making same
US6682678B2 (en) 2002-02-04 2004-01-27 Arrow Innovations, Llc Method of making translational spout closure for a container

Also Published As

Publication number Publication date
DE1941479A1 (en) 1970-02-19

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Legal Events

Date Code Title Description
ST Notification of lapse