JPH0521390Y2 - - Google Patents

Info

Publication number
JPH0521390Y2
JPH0521390Y2 JP2612388U JP2612388U JPH0521390Y2 JP H0521390 Y2 JPH0521390 Y2 JP H0521390Y2 JP 2612388 U JP2612388 U JP 2612388U JP 2612388 U JP2612388 U JP 2612388U JP H0521390 Y2 JPH0521390 Y2 JP H0521390Y2
Authority
JP
Japan
Prior art keywords
mold
fixed
cavity
ring
template
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 - Lifetime
Application number
JP2612388U
Other languages
English (en)
Japanese (ja)
Other versions
JPH01132721U (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
Priority to JP2612388U priority Critical patent/JPH0521390Y2/ja
Publication of JPH01132721U publication Critical patent/JPH01132721U/ja
Application granted granted Critical
Publication of JPH0521390Y2 publication Critical patent/JPH0521390Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C2045/2648—Outer peripheral ring constructions

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
JP2612388U 1988-02-29 1988-02-29 Expired - Lifetime JPH0521390Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2612388U JPH0521390Y2 (en]) 1988-02-29 1988-02-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2612388U JPH0521390Y2 (en]) 1988-02-29 1988-02-29

Publications (2)

Publication Number Publication Date
JPH01132721U JPH01132721U (en]) 1989-09-08
JPH0521390Y2 true JPH0521390Y2 (en]) 1993-06-01

Family

ID=31247467

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2612388U Expired - Lifetime JPH0521390Y2 (en]) 1988-02-29 1988-02-29

Country Status (1)

Country Link
JP (1) JPH0521390Y2 (en])

Also Published As

Publication number Publication date
JPH01132721U (en]) 1989-09-08

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