JPH0341049B2 - - Google Patents

Info

Publication number
JPH0341049B2
JPH0341049B2 JP60023119A JP2311985A JPH0341049B2 JP H0341049 B2 JPH0341049 B2 JP H0341049B2 JP 60023119 A JP60023119 A JP 60023119A JP 2311985 A JP2311985 A JP 2311985A JP H0341049 B2 JPH0341049 B2 JP H0341049B2
Authority
JP
Japan
Prior art keywords
pressure
injection
foaming agent
flow path
controlling
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 - Lifetime
Application number
JP60023119A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61182912A (ja
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 filed Critical
Priority to JP60023119A priority Critical patent/JPS61182912A/ja
Publication of JPS61182912A publication Critical patent/JPS61182912A/ja
Publication of JPH0341049B2 publication Critical patent/JPH0341049B2/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
    • 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

Landscapes

  • Molding Of Porous Articles (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP60023119A 1985-02-08 1985-02-08 発泡成形におけるガス状発泡剤の注入圧力制御方法 Granted JPS61182912A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60023119A JPS61182912A (ja) 1985-02-08 1985-02-08 発泡成形におけるガス状発泡剤の注入圧力制御方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60023119A JPS61182912A (ja) 1985-02-08 1985-02-08 発泡成形におけるガス状発泡剤の注入圧力制御方法

Publications (2)

Publication Number Publication Date
JPS61182912A JPS61182912A (ja) 1986-08-15
JPH0341049B2 true JPH0341049B2 (enrdf_load_stackoverflow) 1991-06-20

Family

ID=12101608

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60023119A Granted JPS61182912A (ja) 1985-02-08 1985-02-08 発泡成形におけるガス状発泡剤の注入圧力制御方法

Country Status (1)

Country Link
JP (1) JPS61182912A (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0735080B2 (ja) * 1992-02-26 1995-04-19 株式会社三葉製作所 発泡樹脂押出機の樹脂逆流防止方法
KR100654620B1 (ko) 2004-06-28 2006-12-08 주식회사 프라코 시간경과에 따라 사출 성형기의 배럴에 주입되는 가스량을조절하는 방법
KR100654619B1 (ko) 2004-06-29 2006-12-08 주식회사 프라코 압력 차이를 이용하여 사출 성형기의 배럴에 주입되는가스량을 조절하는 방법
KR100641599B1 (ko) 2004-07-02 2006-11-10 주식회사 프라코 가스라인과 배럴의 압력변화에 의해 사출 성형기의 배럴에주입되는 가스량을 조절하는 방법
CN102310515B (zh) * 2011-06-02 2014-04-02 中国科学院宁波材料技术与工程研究所 一种微流量高压液化气体的恒压恒流量注入装置
CN108472845B (zh) * 2016-03-15 2020-09-18 麦克赛尔株式会社 发泡成形体的制造方法及制造装置
JP6777553B2 (ja) * 2017-01-11 2020-10-28 マクセル株式会社 発泡成形体の製造方法及び製造装置
CN112297326B (zh) * 2020-10-21 2022-05-20 哈尔滨石油学院 寒区混凝土工程用聚氨酯发泡注浆制备装置及制备方法
JP7463262B2 (ja) * 2020-12-10 2024-04-08 株式会社日本製鋼所 発泡成形用の射出成形機および射出成形機の制御方法
JP7463261B2 (ja) * 2020-12-10 2024-04-08 株式会社日本製鋼所 発泡成形を実施する射出成形機および射出成形機の制御方法
CN115816743B (zh) * 2022-11-22 2023-08-01 济南兴德管业有限公司 一种具有调节功能的保温弯头发泡固定装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54123173A (en) * 1978-03-18 1979-09-25 Asahi Chem Ind Co Ltd Method of monitoring molding process for hollow or foamed shapes
JPS5514734A (en) * 1978-07-17 1980-02-01 Nec Corp Pulse noise elimination circuit

Also Published As

Publication number Publication date
JPS61182912A (ja) 1986-08-15

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term