GB1407829A - Moulding apparatus - Google Patents

Moulding apparatus

Info

Publication number
GB1407829A
GB1407829A GB4213472A GB4213472A GB1407829A GB 1407829 A GB1407829 A GB 1407829A GB 4213472 A GB4213472 A GB 4213472A GB 4213472 A GB4213472 A GB 4213472A GB 1407829 A GB1407829 A GB 1407829A
Authority
GB
United Kingdom
Prior art keywords
section
mixing chamber
chamber
constituents
injection
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
GB4213472A
Other languages
English (en)
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.)
Demag Kunststofftechnik Zweigniederlassung der Demag AG
Original Assignee
Demag Kunststofftechnik Zweigniederlassung der Demag 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 Demag Kunststofftechnik Zweigniederlassung der Demag AG filed Critical Demag Kunststofftechnik Zweigniederlassung der Demag AG
Publication of GB1407829A publication Critical patent/GB1407829A/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
    • 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
    • B29C44/383—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using spreading devices mounted in the mould, in front of the feed opening
    • 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
    • B29C33/0061—Moulds or cores; Details thereof or accessories therefor characterised by the configuration of the material feeding channel
    • 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
    • B29C45/2806—Closure devices therefor consisting of needle valve systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
GB4213472A 1971-09-15 1972-09-11 Moulding apparatus Expired GB1407829A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712146181 DE2146181A1 (de) 1971-09-15 1971-09-15 Angussvorrichtung fuer die formgebende verarbeitung von aus mehreren fluessigen komponenten sich bildenden kunststoffen

Publications (1)

Publication Number Publication Date
GB1407829A true GB1407829A (en) 1975-09-24

Family

ID=5819664

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4213472A Expired GB1407829A (en) 1971-09-15 1972-09-11 Moulding apparatus

Country Status (5)

Country Link
JP (1) JPS4861560A (enExample)
DE (1) DE2146181A1 (enExample)
FR (1) FR2152952B1 (enExample)
GB (1) GB1407829A (enExample)
NL (1) NL154146B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2081172B (en) * 1980-08-04 1984-03-14 Rogers Corp Mold structure for forming a molded part from foam material
DE3611249A1 (de) * 1986-04-04 1987-10-15 Braun Pebra Gmbh Verfahren und vorrichtung zur herstellung von kunststoff-formteilen
DE29716742U1 (de) * 1997-09-18 1997-11-13 Battenfeld Gmbh, 58540 Meinerzhagen Werkzeug zum Spritzgießen von aus mindestens zwei unterschiedlichen Materialien bestehenden Kunststoffgegenständen
US6245279B1 (en) 1999-05-18 2001-06-12 Husky Injection Molding Systems Ltd. Sliding edge gate for a hot runner mold

Also Published As

Publication number Publication date
NL154146B (nl) 1977-08-15
FR2152952A1 (enExample) 1973-04-27
NL7212011A (enExample) 1973-03-19
FR2152952B1 (enExample) 1976-08-13
JPS4861560A (enExample) 1973-08-29
DE2146181A1 (de) 1973-03-22

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee