JPS5394368A - Structure of mold of buss part in plastic molded products - Google Patents

Structure of mold of buss part in plastic molded products

Info

Publication number
JPS5394368A
JPS5394368A JP864077A JP864077A JPS5394368A JP S5394368 A JPS5394368 A JP S5394368A JP 864077 A JP864077 A JP 864077A JP 864077 A JP864077 A JP 864077A JP S5394368 A JPS5394368 A JP S5394368A
Authority
JP
Japan
Prior art keywords
mold
molded products
plastic molded
buss
boss
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
JP864077A
Other languages
Japanese (ja)
Other versions
JPS5747011B2 (en
Inventor
Shigeo Sasaki
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 JP864077A priority Critical patent/JPS5394368A/en
Publication of JPS5394368A publication Critical patent/JPS5394368A/en
Publication of JPS5747011B2 publication Critical patent/JPS5747011B2/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
    • B29C45/0025—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
    • 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
    • B29C2045/0043—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks preventing shrinkage by reducing the wall thickness of the moulded article

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

PURPOSE: A structure of a mold with the boss part giving plastic molded products with the boss free from surface sink, wherein the thickness at the base of the boss is made thinner than that of the part around the boss and the part between them is steeply squeezed to slope between them.
COPYRIGHT: (C)1978,JPO&Japio
JP864077A 1977-01-31 1977-01-31 Structure of mold of buss part in plastic molded products Granted JPS5394368A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP864077A JPS5394368A (en) 1977-01-31 1977-01-31 Structure of mold of buss part in plastic molded products

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP864077A JPS5394368A (en) 1977-01-31 1977-01-31 Structure of mold of buss part in plastic molded products

Publications (2)

Publication Number Publication Date
JPS5394368A true JPS5394368A (en) 1978-08-18
JPS5747011B2 JPS5747011B2 (en) 1982-10-06

Family

ID=11698541

Family Applications (1)

Application Number Title Priority Date Filing Date
JP864077A Granted JPS5394368A (en) 1977-01-31 1977-01-31 Structure of mold of buss part in plastic molded products

Country Status (1)

Country Link
JP (1) JPS5394368A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018153957A (en) * 2017-03-16 2018-10-04 京セラインダストリアルツールズ株式会社 Resin injection molded product

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018153957A (en) * 2017-03-16 2018-10-04 京セラインダストリアルツールズ株式会社 Resin injection molded product

Also Published As

Publication number Publication date
JPS5747011B2 (en) 1982-10-06

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