JPS5399401A - Preparing small motor of synthetic resin - Google Patents

Preparing small motor of synthetic resin

Info

Publication number
JPS5399401A
JPS5399401A JP1294877A JP1294877A JPS5399401A JP S5399401 A JPS5399401 A JP S5399401A JP 1294877 A JP1294877 A JP 1294877A JP 1294877 A JP1294877 A JP 1294877A JP S5399401 A JPS5399401 A JP S5399401A
Authority
JP
Japan
Prior art keywords
synthetic resin
small motor
preparing small
molding
pressure
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.)
Granted
Application number
JP1294877A
Other languages
Japanese (ja)
Other versions
JPS5738099B2 (en
Inventor
Tsuguo Kobayashi
Tetsuo Ishikawa
Tamotsu Ikeda
Hideo Umetsu
Seiji Ise
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Priority to JP1294877A priority Critical patent/JPS5399401A/en
Priority to FR7803749A priority patent/FR2380125A1/en
Priority to DE19782805659 priority patent/DE2805659A1/en
Publication of JPS5399401A publication Critical patent/JPS5399401A/en
Publication of JPS5738099B2 publication Critical patent/JPS5738099B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/14—Casings; Enclosures; Supports
    • 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
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14639—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

PURPOSE: To conduct molding in a short time, by applying a two-stage selection of injection molding pressure from high to low range, corresponding to internal resin pressure in a metal mold, when conducting molding of thermohardening sythetic for housing, end bracket, etc.
COPYRIGHT: (C)1978,JPO&Japio
JP1294877A 1977-02-10 1977-02-10 Preparing small motor of synthetic resin Granted JPS5399401A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1294877A JPS5399401A (en) 1977-02-10 1977-02-10 Preparing small motor of synthetic resin
FR7803749A FR2380125A1 (en) 1977-02-10 1978-02-10 Miniature plastic motor mfr. - in which injection pressure is reduced immediately before mould is completely filled
DE19782805659 DE2805659A1 (en) 1977-02-10 1978-02-10 METHOD OF MANUFACTURING A MINIATURE ENGINE FROM PLASTIC

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1294877A JPS5399401A (en) 1977-02-10 1977-02-10 Preparing small motor of synthetic resin

Publications (2)

Publication Number Publication Date
JPS5399401A true JPS5399401A (en) 1978-08-30
JPS5738099B2 JPS5738099B2 (en) 1982-08-13

Family

ID=11819493

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1294877A Granted JPS5399401A (en) 1977-02-10 1977-02-10 Preparing small motor of synthetic resin

Country Status (3)

Country Link
JP (1) JPS5399401A (en)
DE (1) DE2805659A1 (en)
FR (1) FR2380125A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5619365A (en) * 1979-07-23 1981-02-24 Toshiba Corp Manufacture of stator
JP2020022271A (en) * 2018-07-31 2020-02-06 株式会社三井ハイテック Iron core product manufacturing method and iron core product manufacturing apparatus

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55142632A (en) * 1979-03-31 1980-11-07 Toyota Motor Corp Low-pressure injecting method using screw inlying injection molding machine
DE3279339D1 (en) * 1982-05-09 1989-02-16 Technoplas Inc Injection molding method and apparatus
DE3336173C2 (en) * 1983-10-05 1985-08-29 Maschinenfabrik Lauffer GmbH & Co KG, 7240 Horb Press with several injection pistons for the simultaneous production of several plastic molded parts
DE3819686A1 (en) * 1988-06-09 1989-12-14 Siemens Ag Process for encapsulating electric components in thermoset plastics
ES2042398B1 (en) * 1992-03-03 1996-09-01 Turro Jaime Astier ELECTRIC MOTOR.
US5964694A (en) * 1997-04-02 1999-10-12 Guidant Corporation Method and apparatus for cardiac blood flow assistance

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2058938A (en) * 1928-03-17 1936-10-27 Herbert F Apple Plastic molding
FR1270900A (en) * 1960-10-12 1961-09-01 Ankerwerk Gebrueder Goller Process for manufacturing molded thermoplastic material bodies
FR1338839A (en) * 1962-11-12 1963-09-27 Lucifer Sa Process for embedding a winding in a mixture of thermoplastic synthetic material and winding obtained by this process
GB1208387A (en) * 1967-03-10 1970-10-14 Drymit S A Mould for use in an injection moulding process
US3762847A (en) * 1971-09-15 1973-10-02 Gen Electric Apparatus for making a molded electrical structure
CA1081421A (en) * 1975-01-31 1980-07-15 Toyoaki Ueno Method of injecting a molten material under pressure and an apparatus performing the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5619365A (en) * 1979-07-23 1981-02-24 Toshiba Corp Manufacture of stator
JP2020022271A (en) * 2018-07-31 2020-02-06 株式会社三井ハイテック Iron core product manufacturing method and iron core product manufacturing apparatus
CN110784079A (en) * 2018-07-31 2020-02-11 株式会社三井高科技 Method and apparatus for manufacturing iron core product
US11393623B2 (en) 2018-07-31 2022-07-19 Mitsui High-Tec, Inc. Method for manufacturing iron core product

Also Published As

Publication number Publication date
DE2805659A1 (en) 1978-08-17
FR2380125B1 (en) 1981-06-12
FR2380125A1 (en) 1978-09-08
JPS5738099B2 (en) 1982-08-13

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