JPH0243607B2 - - Google Patents

Info

Publication number
JPH0243607B2
JPH0243607B2 JP57036799A JP3679982A JPH0243607B2 JP H0243607 B2 JPH0243607 B2 JP H0243607B2 JP 57036799 A JP57036799 A JP 57036799A JP 3679982 A JP3679982 A JP 3679982A JP H0243607 B2 JPH0243607 B2 JP H0243607B2
Authority
JP
Japan
Prior art keywords
cavity
synthetic resin
different
gate
mold
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
JP57036799A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58153625A (ja
Inventor
Keigo Yasui
Mitsuo Yoshida
Masato Aritome
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.)
Koyo Seiko Co Ltd
Original Assignee
Koyo Seiko Co 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 Koyo Seiko Co Ltd filed Critical Koyo Seiko Co Ltd
Priority to JP57036799A priority Critical patent/JPS58153625A/ja
Publication of JPS58153625A publication Critical patent/JPS58153625A/ja
Publication of JPH0243607B2 publication Critical patent/JPH0243607B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/38—Ball cages
    • F16C33/41—Ball cages comb-shaped
    • F16C33/412—Massive or moulded comb cages, e.g. snap ball cages
    • F16C33/414—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages
    • F16C33/416—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages made from plastic, e.g. injection moulded comb cages
    • 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
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/04—Bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2220/00—Shaping
    • F16C2220/02—Shaping by casting
    • F16C2220/04—Shaping by casting by injection-moulding

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Rolling Contact Bearings (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
JP57036799A 1982-03-08 1982-03-08 合成樹脂製保持器およびその成形金型 Granted JPS58153625A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57036799A JPS58153625A (ja) 1982-03-08 1982-03-08 合成樹脂製保持器およびその成形金型

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57036799A JPS58153625A (ja) 1982-03-08 1982-03-08 合成樹脂製保持器およびその成形金型

Publications (2)

Publication Number Publication Date
JPS58153625A JPS58153625A (ja) 1983-09-12
JPH0243607B2 true JPH0243607B2 (enFirst) 1990-10-01

Family

ID=12479827

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57036799A Granted JPS58153625A (ja) 1982-03-08 1982-03-08 合成樹脂製保持器およびその成形金型

Country Status (1)

Country Link
JP (1) JPS58153625A (enFirst)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04130917U (ja) * 1991-05-27 1992-12-01 株式会社モリテツクス 計測用ズームレンズ

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5988514U (ja) * 1982-12-06 1984-06-15 日本精工株式会社 転がり軸受用保持器
JPS6071728U (ja) * 1983-10-25 1985-05-21 日本精工株式会社 転がり軸受用保持器
JP4748295B2 (ja) * 2004-03-08 2011-08-17 Ｎｏｋ株式会社 樹脂製軸受の成形方法
JP7543660B2 (ja) 2020-03-03 2024-09-03 日本精工株式会社 玉軸受用冠型保持器、及び玉軸受
JP2024077120A (ja) * 2022-11-28 2024-06-07 ミネベアミツミ株式会社 保持器、保持器の製造方法、転がり軸受及び金型

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04130917U (ja) * 1991-05-27 1992-12-01 株式会社モリテツクス 計測用ズームレンズ

Also Published As

Publication number Publication date
JPS58153625A (ja) 1983-09-12

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