JPS56111652A - Manufacture of propeller fan - Google Patents

Manufacture of propeller fan

Info

Publication number
JPS56111652A
JPS56111652A JP1585280A JP1585280A JPS56111652A JP S56111652 A JPS56111652 A JP S56111652A JP 1585280 A JP1585280 A JP 1585280A JP 1585280 A JP1585280 A JP 1585280A JP S56111652 A JPS56111652 A JP S56111652A
Authority
JP
Japan
Prior art keywords
auxiliary
valve
main
plastic material
passage
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
JP1585280A
Other languages
Japanese (ja)
Other versions
JPS6323895B2 (en
Inventor
Nobuyuki Ono
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP1585280A priority Critical patent/JPS56111652A/en
Publication of JPS56111652A publication Critical patent/JPS56111652A/en
Publication of JPS6323895B2 publication Critical patent/JPS6323895B2/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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1634—Making multilayered or multicoloured articles with a non-uniform dispersion of the moulding material in the article, e.g. resulting in a marble effect
    • 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
    • B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
    • B29L2031/087—Propellers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To obtain a fan with color patterns in one process without generating a pattern friction or centroid deflection by a method wherein a main plastic material and an auxiliary plastic material of different color are extruded from a common extrusion passage in different timing. CONSTITUTION:First, a main plastic material D is injected into a fan boss position 10a and an auxiliary rib 10 through an on-off valve 19, the 1st nozzle 13 and an injection passage 11 and next thereto, it is made to flow in a vane position 10c. Next, the on-off valve 19 is colosed and an on-off valve 20 is opened and then, an auxiliary plastic material E is injected into the vane position 10c and while a narrow passage E1 is being formed within the main material D1, the auxiliary plastic material E is made to flow to the vane end side. Next, the valve 20 is closed and the valve 19 is opened to inject the main material D and while a narrow passage is being formed within the auxiliary material narrow passage E1, the main material D is filled in the residual space 10. With this, the main materials D1, D3 and auxiliary materials E1, E2 are made into one body with different colors to form a propeller fan with patterns.
JP1585280A 1980-02-09 1980-02-09 Manufacture of propeller fan Granted JPS56111652A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1585280A JPS56111652A (en) 1980-02-09 1980-02-09 Manufacture of propeller fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1585280A JPS56111652A (en) 1980-02-09 1980-02-09 Manufacture of propeller fan

Publications (2)

Publication Number Publication Date
JPS56111652A true JPS56111652A (en) 1981-09-03
JPS6323895B2 JPS6323895B2 (en) 1988-05-18

Family

ID=11900337

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1585280A Granted JPS56111652A (en) 1980-02-09 1980-02-09 Manufacture of propeller fan

Country Status (1)

Country Link
JP (1) JPS56111652A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1346808A1 (en) * 2002-03-20 2003-09-24 Dionisio Scarabelli Sandwich injection molding with breakthrough of the core component and hotrunner co-injection nozzle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4923264A (en) * 1972-06-24 1974-03-01
JPS49125468A (en) * 1973-04-03 1974-11-30

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4923264A (en) * 1972-06-24 1974-03-01
JPS49125468A (en) * 1973-04-03 1974-11-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1346808A1 (en) * 2002-03-20 2003-09-24 Dionisio Scarabelli Sandwich injection molding with breakthrough of the core component and hotrunner co-injection nozzle

Also Published As

Publication number Publication date
JPS6323895B2 (en) 1988-05-18

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