JPS57178837A - Nozzle for injection molder - Google Patents

Nozzle for injection molder

Info

Publication number
JPS57178837A
JPS57178837A JP6631681A JP6631681A JPS57178837A JP S57178837 A JPS57178837 A JP S57178837A JP 6631681 A JP6631681 A JP 6631681A JP 6631681 A JP6631681 A JP 6631681A JP S57178837 A JPS57178837 A JP S57178837A
Authority
JP
Japan
Prior art keywords
injection
bore
nozzle
diameter
bores
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.)
Pending
Application number
JP6631681A
Other languages
Japanese (ja)
Inventor
Tatsuya Samejima
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.)
Kojima Industries Corp
Original Assignee
Kojima Press Industry 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 Kojima Press Industry Co Ltd filed Critical Kojima Press Industry Co Ltd
Priority to JP6631681A priority Critical patent/JPS57178837A/en
Publication of JPS57178837A publication Critical patent/JPS57178837A/en
Pending 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
    • B29C45/20—Injection nozzles

Landscapes

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

Abstract

PURPOSE:To improve the moldability so as to avoid the cobwebbing, the discoloring of the resin color, etc. by providing a nozzle of an injection molding machine for introducing a resin material fluidized in a cylinder into a mold with a plurality of injection bores having a smaller diameter. CONSTITUTION:The tip of the nozzle 24 provided at a cylinder of the injection molding machine is provided with the three injection bores 32 with as large a size as possible having a bore diameter phi2 and arranged at the verticies inscribed in a circle of a conventional injection bore having a bore diameter phi1. After the completion of the injection molding, when a molded item 34 is removed from a mold 36, since the bore diameter of the injection bores 32 is smaller than the prior bore, it is hardened in such a degree that it will not be cobwebbed in the injection bores 32, and it will not be pulled like a wed by the molded part 34. If there is cobwebbing, it will be readily cut since the diameter is small, and a product cavity section 38 will not after this so that there is no risk of making the molded part 34 defective.
JP6631681A 1981-04-30 1981-04-30 Nozzle for injection molder Pending JPS57178837A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6631681A JPS57178837A (en) 1981-04-30 1981-04-30 Nozzle for injection molder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6631681A JPS57178837A (en) 1981-04-30 1981-04-30 Nozzle for injection molder

Publications (1)

Publication Number Publication Date
JPS57178837A true JPS57178837A (en) 1982-11-04

Family

ID=13312297

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6631681A Pending JPS57178837A (en) 1981-04-30 1981-04-30 Nozzle for injection molder

Country Status (1)

Country Link
JP (1) JPS57178837A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6056521A (en) * 1983-09-07 1985-04-02 Toshishige Taizawa Injection nozzle for molding synthetic resin
JPS60131215A (en) * 1983-12-20 1985-07-12 Meiki Co Ltd Injection molding machine for preventing stringing

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS491778A (en) * 1972-04-25 1974-01-09

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS491778A (en) * 1972-04-25 1974-01-09

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6056521A (en) * 1983-09-07 1985-04-02 Toshishige Taizawa Injection nozzle for molding synthetic resin
JPS60131215A (en) * 1983-12-20 1985-07-12 Meiki Co Ltd Injection molding machine for preventing stringing

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