GB1353053A - Process and apparatus for the manufacture of moulded articles - Google Patents

Process and apparatus for the manufacture of moulded articles

Info

Publication number
GB1353053A
GB1353053A GB2332871A GB2332871A GB1353053A GB 1353053 A GB1353053 A GB 1353053A GB 2332871 A GB2332871 A GB 2332871A GB 2332871 A GB2332871 A GB 2332871A GB 1353053 A GB1353053 A GB 1353053A
Authority
GB
United Kingdom
Prior art keywords
passage
compartment
moulding
moulding material
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
GB2332871A
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.)
Akzo NV
Original Assignee
Akzo NV
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 Akzo NV filed Critical Akzo NV
Publication of GB1353053A publication Critical patent/GB1353053A/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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/20—Injection nozzles
    • B29C45/23—Feed stopping equipment
    • B29C45/231—Needle valve systems 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • 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
    • B29L2017/00—Carriers for sound or information
    • B29L2017/001—Carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records
    • B29L2017/003—Records or discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
GB2332871A 1970-03-06 1971-04-19 Process and apparatus for the manufacture of moulded articles Expired GB1353053A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7003203A NL7003203A (enExample) 1970-03-06 1970-03-06

Publications (1)

Publication Number Publication Date
GB1353053A true GB1353053A (en) 1974-05-15

Family

ID=19809517

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2332871A Expired GB1353053A (en) 1970-03-06 1971-04-19 Process and apparatus for the manufacture of moulded articles

Country Status (4)

Country Link
DE (1) DE2110441A1 (enExample)
FR (1) FR2081745B3 (enExample)
GB (1) GB1353053A (enExample)
NL (1) NL7003203A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021118344A1 (en) * 2019-12-09 2021-06-17 Theunisse Adrianus Martinus Gerardus Method for producing gramophone records by injection moulding

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021118344A1 (en) * 2019-12-09 2021-06-17 Theunisse Adrianus Martinus Gerardus Method for producing gramophone records by injection moulding
NL2024410B1 (en) * 2019-12-09 2021-08-31 Martinus Gerardus Theunisse Adrianus Method for producing gramophone records by injection moulding
JP2023506782A (ja) * 2019-12-09 2023-02-20 マルティヌス ゲラルダス テュニス，アドリアヌス 射出成形によりレコード盤を製造するための方法
US12350867B2 (en) 2019-12-09 2025-07-08 Theunisse Adrianus Martinus Gerardus Method for producing gramophone records by injection moulding

Also Published As

Publication number Publication date
DE2110441A1 (de) 1971-09-16
NL7003203A (enExample) 1971-09-08
FR2081745B3 (enExample) 1973-05-11
FR2081745A7 (enExample) 1971-12-10

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees