JPS6153931B2 - - Google Patents

Info

Publication number
JPS6153931B2
JPS6153931B2 JP56089136A JP8913681A JPS6153931B2 JP S6153931 B2 JPS6153931 B2 JP S6153931B2 JP 56089136 A JP56089136 A JP 56089136A JP 8913681 A JP8913681 A JP 8913681A JP S6153931 B2 JPS6153931 B2 JP S6153931B2
Authority
JP
Japan
Prior art keywords
cylinder
thermoplastic resin
injection
injection molding
sub
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.)
Expired
Application number
JP56089136A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57203524A (en
Inventor
Masao Shizawa
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.)
Orion Kasei KK
Original Assignee
Orion Kasei KK
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 Orion Kasei KK filed Critical Orion Kasei KK
Priority to JP56089136A priority Critical patent/JPS57203524A/ja
Publication of JPS57203524A publication Critical patent/JPS57203524A/ja
Publication of JPS6153931B2 publication Critical patent/JPS6153931B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0492Devices for feeding the different materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor

Landscapes

  • Injection Moulding Of Plastics Or The Like (AREA)
JP56089136A 1981-06-10 1981-06-10 Method and apparatus for injection molding of expanded molding Granted JPS57203524A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56089136A JPS57203524A (en) 1981-06-10 1981-06-10 Method and apparatus for injection molding of expanded molding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56089136A JPS57203524A (en) 1981-06-10 1981-06-10 Method and apparatus for injection molding of expanded molding

Publications (2)

Publication Number Publication Date
JPS57203524A JPS57203524A (en) 1982-12-13
JPS6153931B2 true JPS6153931B2 (en]) 1986-11-20

Family

ID=13962457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56089136A Granted JPS57203524A (en) 1981-06-10 1981-06-10 Method and apparatus for injection molding of expanded molding

Country Status (1)

Country Link
JP (1) JPS57203524A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5276373B2 (ja) * 2008-07-24 2013-08-28 花王株式会社 粉体化粧料用充填皿
JP2023501884A (ja) * 2019-10-15 2023-01-20 ビーエーエスエフ ソシエタス・ヨーロピア 射出成形ツール及びその製造方法、ならびにマーブル模様の成形部品の製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2241002B2 (de) * 1971-09-07 1975-04-30 Hanning, Robert, Campinone D'italia (Italien) Verfahren und Vorrichtung zum Spritzgießen von Kunststotf-Formteilen mit glatter Hülle und porigem Kern
CH566207A5 (en]) * 1972-12-07 1975-09-15 Siemag Siegener Masch Bau
DE2500972A1 (de) * 1975-01-11 1976-07-15 Schloemann Siemag Ag Verfahren und vorrichtung zur herstellung von formteilen aus einem ein treibmittel enthaltenden thermoplastischen kunststoff
DE2623308C3 (de) * 1976-05-25 1980-07-31 Schloemann-Siemag Ag, 4000 Duesseldorf Vorrichtung zum diskontinuierlichen Herstellen von Formteilen aus thermoplastischem Kunststoff
JPS6016326B2 (ja) * 1977-04-27 1985-04-25 旭化成株式会社 多層成形体とその成形方法および装置
JPS5356258A (en) * 1976-11-01 1978-05-22 Asahi Dow Ltd Injection molding machine nozzle
JPS5314759A (en) * 1976-07-27 1978-02-09 Asahi Dow Ltd Method and device for injection molding multiilayer molded article
JPS5378262A (en) * 1976-12-23 1978-07-11 Asahi Dow Ltd Composite shapes molding apparatus
DE2705291A1 (de) * 1977-02-09 1978-08-10 Schloemann Siemag Ag Verfahren und vorrichtung zur herstellung von formteilen aus thermoplastischem kunststoff

Also Published As

Publication number Publication date
JPS57203524A (en) 1982-12-13

Similar Documents

Publication Publication Date Title
US4507255A (en) Process and apparatus for injection-molding foamed article
US7361294B2 (en) Injection molding of polymeric material
US4135870A (en) Machine for producing additive containing plastic articles
US3793416A (en) Process for injection molding foam synthetic resin materials involving introduction of the expansion agent into the metering zone between injection molding steps
PL141888B1 (en) Method of injection moulding a thermoplastic resinous material closure having appearance of natural cork stopper
KR950012850B1 (ko) 사출성형법
JPS6117253B2 (en])
CA1220238A (en) Plastic bowling pin and method of making the same
CA2349603A1 (en) Molded polymeric material including microcellular, injection-molded, and low-density polymeric material
JPH0929759A (ja) ポリウレタンフォーム成形品の製造方法
US20030085483A1 (en) Apparatus and method for making molded foam articles
JPS6153931B2 (en])
JP4726298B2 (ja) 射出成形された微孔質低密度ポリマー材料を含む成形ポリマー材料
JPH08300392A (ja) 発泡性プラスチック組成物の射出成形方法
KR20020038378A (ko) 발포수지 사출 성형장치 및 그 방법
JPS58197029A (ja) 合成樹脂成形体の製造法
JP7182474B2 (ja) 発泡成形品の製造方法
JPH0811151A (ja) 高中空射出成形型物及びその製造方法
SU607538A3 (ru) Способ изготовлени двухслойных пластмассовых изделий
JP2928925B2 (ja) 中空発泡成形体の成形方法
JPH06210659A (ja) 合成樹脂射出成形品及びその成形方法と成形装置
JPH0523405A (ja) ゴルフクラブヘツドの製造法
GB2006668A (en) A process for manufacturing resinous articles having a foamed core
KR0184946B1 (ko) 발포성형제품의 발포액 주입방법 및 장치
JP2022015219A (ja) サンドイッチ成形品の射出成形方法