JPS608028A - 箱型成形品の射出成形法 - Google Patents

箱型成形品の射出成形法

Info

Publication number
JPS608028A
JPS608028A JP11525383A JP11525383A JPS608028A JP S608028 A JPS608028 A JP S608028A JP 11525383 A JP11525383 A JP 11525383A JP 11525383 A JP11525383 A JP 11525383A JP S608028 A JPS608028 A JP S608028A
Authority
JP
Japan
Prior art keywords
box
molded product
molten resin
mold
air
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
JP11525383A
Other languages
English (en)
Japanese (ja)
Other versions
JPS642050B2 (enrdf_load_stackoverflow
Inventor
Hidetomo Suzuki
鈴木　秀知
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.)
Ichikoh Industries Ltd
Original Assignee
Ichikoh Industries 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 Ichikoh Industries Ltd filed Critical Ichikoh Industries Ltd
Priority to JP11525383A priority Critical patent/JPS608028A/ja
Publication of JPS608028A publication Critical patent/JPS608028A/ja
Publication of JPS642050B2 publication Critical patent/JPS642050B2/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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/57—Exerting after-pressure on the moulding material
    • 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
    • B29C45/1703—Introducing an auxiliary fluid into the mould
    • B29C45/1734—Nozzles therefor
    • B29C45/1736—Nozzles therefor provided with small holes permitting the flow of gas therethrough, e.g. using a porous element of sintered material
    • 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
    • B29C45/1703—Introducing an auxiliary fluid into the mould
    • B29C45/174—Applying a pressurised fluid to the outer surface of the injected material inside the mould cavity, e.g. for preventing shrinkage marks

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP11525383A 1983-06-28 1983-06-28 箱型成形品の射出成形法 Granted JPS608028A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11525383A JPS608028A (ja) 1983-06-28 1983-06-28 箱型成形品の射出成形法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11525383A JPS608028A (ja) 1983-06-28 1983-06-28 箱型成形品の射出成形法

Publications (2)

Publication Number Publication Date
JPS608028A true JPS608028A (ja) 1985-01-16
JPS642050B2 JPS642050B2 (enrdf_load_stackoverflow) 1989-01-13

Family

ID=14658107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11525383A Granted JPS608028A (ja) 1983-06-28 1983-06-28 箱型成形品の射出成形法

Country Status (1)

Country Link
JP (1) JPS608028A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5203687A (en) * 1990-08-27 1993-04-20 Toyotomi Co., Ltd. Control system for burner
WO1994022653A1 (en) * 1993-03-27 1994-10-13 Gas Injection Limited Apparatus for and method of injection moulding
JP2002264181A (ja) * 1992-10-15 2002-09-18 Asahi Kasei Corp 内部空隙が無く外側のヒケが存在しない均質な射出成形品を製造する方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5203687A (en) * 1990-08-27 1993-04-20 Toyotomi Co., Ltd. Control system for burner
JP2002264181A (ja) * 1992-10-15 2002-09-18 Asahi Kasei Corp 内部空隙が無く外側のヒケが存在しない均質な射出成形品を製造する方法
WO1994022653A1 (en) * 1993-03-27 1994-10-13 Gas Injection Limited Apparatus for and method of injection moulding

Also Published As

Publication number Publication date
JPS642050B2 (enrdf_load_stackoverflow) 1989-01-13

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