GB1304873A - - Google Patents

Info

Publication number
GB1304873A
GB1304873A GB576170A GB576170A GB1304873A GB 1304873 A GB1304873 A GB 1304873A GB 576170 A GB576170 A GB 576170A GB 576170 A GB576170 A GB 576170A GB 1304873 A GB1304873 A GB 1304873A
Authority
GB
United Kingdom
Prior art keywords
injection
valve
cycle
injection moulding
seary
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
GB576170A
Other languages
English (en)
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 filed Critical
Publication of GB1304873A publication Critical patent/GB1304873A/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
    • 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
    • B29C45/64—Mould opening, closing or clamping devices
    • 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
    • B29C45/76—Measuring, controlling or regulating
    • 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
    • B29C45/64—Mould opening, closing or clamping devices
    • B29C2045/645—Mould opening, closing or clamping devices using magnetic means

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)
GB576170A 1969-05-07 1970-04-15 Expired GB1304873A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82265569A 1969-05-07 1969-05-07

Publications (1)

Publication Number Publication Date
GB1304873A true GB1304873A (enrdf_load_stackoverflow) 1973-01-31

Family

ID=25236620

Family Applications (2)

Application Number Title Priority Date Filing Date
GB576170A Expired GB1304873A (enrdf_load_stackoverflow) 1969-05-07 1970-04-15
GB1793870A Expired GB1304872A (enrdf_load_stackoverflow) 1969-05-07 1970-04-15

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1793870A Expired GB1304872A (enrdf_load_stackoverflow) 1969-05-07 1970-04-15

Country Status (3)

Country Link
DE (1) DE2065491A1 (enrdf_load_stackoverflow)
FR (1) FR2047287A5 (enrdf_load_stackoverflow)
GB (2) GB1304873A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4286097A (en) 1978-07-28 1981-08-25 Ciba-Geigy Corporation Carboxylic acid dianhydrides based on trimellitic anhydride

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4286097A (en) 1978-07-28 1981-08-25 Ciba-Geigy Corporation Carboxylic acid dianhydrides based on trimellitic anhydride

Also Published As

Publication number Publication date
DE2022343B2 (de) 1976-10-28
DE2065491A1 (de) 1973-11-22
DE2022343A1 (de) 1970-11-26
FR2047287A5 (enrdf_load_stackoverflow) 1971-03-12
GB1304872A (enrdf_load_stackoverflow) 1973-01-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees