AU521410B2 - Gate for injection moulding - Google Patents

Gate for injection moulding

Info

Publication number
AU521410B2
AU521410B2 AU60983/80A AU6098380A AU521410B2 AU 521410 B2 AU521410 B2 AU 521410B2 AU 60983/80 A AU60983/80 A AU 60983/80A AU 6098380 A AU6098380 A AU 6098380A AU 521410 B2 AU521410 B2 AU 521410B2
Authority
AU
Australia
Prior art keywords
gate
injection moulding
moulding
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
AU60983/80A
Other versions
AU6098380A (en
Inventor
John R. Holmes
Roy G. Jordan
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.)
Discovision Associates
Original Assignee
Discovision Associates
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 Discovision Associates filed Critical Discovision Associates
Priority to AU60983/80A priority Critical patent/AU521410B2/en
Publication of AU6098380A publication Critical patent/AU6098380A/en
Application granted granted Critical
Publication of AU521410B2 publication Critical patent/AU521410B2/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
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • 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
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B29C2045/2653—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs using two stampers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
AU60983/80A 1977-10-31 1980-07-31 Gate for injection moulding Expired AU521410B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU60983/80A AU521410B2 (en) 1977-10-31 1980-07-31 Gate for injection moulding

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
USUS847367 1977-10-31
AU60983/80A AU521410B2 (en) 1977-10-31 1980-07-31 Gate for injection moulding

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU40114/78A Division AU512873B2 (en) 1977-10-31 1978-09-22 Replicating videodisc records

Publications (2)

Publication Number Publication Date
AU6098380A AU6098380A (en) 1980-11-06
AU521410B2 true AU521410B2 (en) 1982-04-01

Family

ID=3746072

Family Applications (1)

Application Number Title Priority Date Filing Date
AU60983/80A Expired AU521410B2 (en) 1977-10-31 1980-07-31 Gate for injection moulding

Country Status (1)

Country Link
AU (1) AU521410B2 (en)

Also Published As

Publication number Publication date
AU6098380A (en) 1980-11-06

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