JP7128015B2 - 発泡成形体の製造方法及び製造装置 - Google Patents

発泡成形体の製造方法及び製造装置 Download PDF

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Publication number
JP7128015B2
JP7128015B2 JP2018074880A JP2018074880A JP7128015B2 JP 7128015 B2 JP7128015 B2 JP 7128015B2 JP 2018074880 A JP2018074880 A JP 2018074880A JP 2018074880 A JP2018074880 A JP 2018074880A JP 7128015 B2 JP7128015 B2 JP 7128015B2
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Japan
Prior art keywords
pressure
molten resin
screw
zone
starvation
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.)
Active
Application number
JP2018074880A
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English (en)
Japanese (ja)
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JP2019181788A (ja
JP2019181788A5 (enExample
Inventor
敦 遊佐
智史 山本
英斗 後藤
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.)
Maxell Ltd
Original Assignee
Maxell 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.)
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Publication date
Application filed by Maxell Ltd filed Critical Maxell Ltd
Priority to JP2018074880A priority Critical patent/JP7128015B2/ja
Priority to PCT/JP2019/014937 priority patent/WO2019198609A1/ja
Publication of JP2019181788A publication Critical patent/JP2019181788A/ja
Publication of JP2019181788A5 publication Critical patent/JP2019181788A5/ja
Application granted granted Critical
Publication of JP7128015B2 publication Critical patent/JP7128015B2/ja
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    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/60—Measuring, controlling or regulating
    • 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
    • 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
    • B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
    • B29C45/50—Axially movable screw
    • 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
    • B29C45/58—Details
    • B29C45/60—Screws

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
JP2018074880A 2018-04-09 2018-04-09 発泡成形体の製造方法及び製造装置 Active JP7128015B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2018074880A JP7128015B2 (ja) 2018-04-09 2018-04-09 発泡成形体の製造方法及び製造装置
PCT/JP2019/014937 WO2019198609A1 (ja) 2018-04-09 2019-04-04 発泡成形体の製造方法及び製造装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018074880A JP7128015B2 (ja) 2018-04-09 2018-04-09 発泡成形体の製造方法及び製造装置

Publications (3)

Publication Number Publication Date
JP2019181788A JP2019181788A (ja) 2019-10-24
JP2019181788A5 JP2019181788A5 (enExample) 2021-05-20
JP7128015B2 true JP7128015B2 (ja) 2022-08-30

Family

ID=68164078

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018074880A Active JP7128015B2 (ja) 2018-04-09 2018-04-09 発泡成形体の製造方法及び製造装置

Country Status (2)

Country Link
JP (1) JP7128015B2 (enExample)
WO (1) WO2019198609A1 (enExample)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001091987A1 (fr) 2000-05-31 2001-12-06 Asahi Kasei Kabushiki Kaisha Procede de moulage par injection
JP2012040839A (ja) 2010-08-23 2012-03-01 Toyo Mach & Metal Co Ltd 発泡成形用射出成形機
JP2012232558A (ja) 2011-05-09 2012-11-29 Toyo Mach & Metal Co Ltd 発泡成形用射出成形機の射出装置
WO2017159166A1 (ja) 2016-03-15 2017-09-21 日立マクセル株式会社 発泡成形体の製造方法及び製造装置
JP2017205942A (ja) 2016-05-18 2017-11-24 東芝機械株式会社 発泡成形品の成形方法および装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH079516A (ja) * 1993-06-29 1995-01-13 Japan Steel Works Ltd:The 逆流防止機構
JPH0735018U (ja) * 1993-12-17 1995-06-27 株式会社名機製作所 射出成形機の逆流防止装置
JP3291156B2 (ja) * 1995-04-11 2002-06-10 株式会社日本製鋼所 射出成形機の逆流防止装置
JP3256842B2 (ja) * 1997-07-25 2002-02-18 日精樹脂工業株式会社 射出成形機のスクリュヘッド装置
EP4108406B1 (en) * 2015-07-08 2024-04-24 Maxell, Ltd. Process and device for producing molded foam

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001091987A1 (fr) 2000-05-31 2001-12-06 Asahi Kasei Kabushiki Kaisha Procede de moulage par injection
JP2012040839A (ja) 2010-08-23 2012-03-01 Toyo Mach & Metal Co Ltd 発泡成形用射出成形機
JP2012232558A (ja) 2011-05-09 2012-11-29 Toyo Mach & Metal Co Ltd 発泡成形用射出成形機の射出装置
WO2017159166A1 (ja) 2016-03-15 2017-09-21 日立マクセル株式会社 発泡成形体の製造方法及び製造装置
JP2017205942A (ja) 2016-05-18 2017-11-24 東芝機械株式会社 発泡成形品の成形方法および装置

Also Published As

Publication number Publication date
JP2019181788A (ja) 2019-10-24
WO2019198609A1 (ja) 2019-10-17

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