JPS6213890B2 - - Google Patents

Info

Publication number
JPS6213890B2
JPS6213890B2 JP17755680A JP17755680A JPS6213890B2 JP S6213890 B2 JPS6213890 B2 JP S6213890B2 JP 17755680 A JP17755680 A JP 17755680A JP 17755680 A JP17755680 A JP 17755680A JP S6213890 B2 JPS6213890 B2 JP S6213890B2
Authority
JP
Japan
Prior art keywords
mold
guide roller
molding
die
cylindrical
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
JP17755680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57100663A (en
Inventor
Osamu Yamamoto
Toshimichi Uenishi
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.)
Maxell Ltd
Original Assignee
Hitachi Maxell Ltd
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 Hitachi Maxell Ltd filed Critical Hitachi Maxell Ltd
Priority to JP17755680A priority Critical patent/JPS57100663A/ja
Publication of JPS57100663A publication Critical patent/JPS57100663A/ja
Publication of JPS6213890B2 publication Critical patent/JPS6213890B2/ja
Granted 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
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • B29C45/4407—Removing or ejecting moulded articles for undercut articles by flexible movement of undercut portions of the articles
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/04—Magazines; Cassettes for webs or filaments
    • G11B23/041—Details
    • G11B23/047—Guiding means

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP17755680A 1980-12-15 1980-12-15 Manufacture of guide roller for magnetic tape cartridge Granted JPS57100663A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17755680A JPS57100663A (en) 1980-12-15 1980-12-15 Manufacture of guide roller for magnetic tape cartridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17755680A JPS57100663A (en) 1980-12-15 1980-12-15 Manufacture of guide roller for magnetic tape cartridge

Publications (2)

Publication Number Publication Date
JPS57100663A JPS57100663A (en) 1982-06-22
JPS6213890B2 true JPS6213890B2 (enExample) 1987-03-30

Family

ID=16033017

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17755680A Granted JPS57100663A (en) 1980-12-15 1980-12-15 Manufacture of guide roller for magnetic tape cartridge

Country Status (1)

Country Link
JP (1) JPS57100663A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157804U (ja) * 1983-04-08 1984-10-23 第一化成株式会社 ガイドロ−ラ成形金型
JPH01184690A (ja) * 1988-01-11 1989-07-24 Shichizun Denshi:Kk 磁気テープカートリッジ用ガイドローラーの製造方法
JP4132391B2 (ja) * 1999-04-28 2008-08-13 ソニー株式会社 テープガイド用ローラ

Also Published As

Publication number Publication date
JPS57100663A (en) 1982-06-22

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