JPS5680435A - Manufacture of foamed form of thermoplastic resin - Google Patents

Manufacture of foamed form of thermoplastic resin

Info

Publication number
JPS5680435A
JPS5680435A JP15883279A JP15883279A JPS5680435A JP S5680435 A JPS5680435 A JP S5680435A JP 15883279 A JP15883279 A JP 15883279A JP 15883279 A JP15883279 A JP 15883279A JP S5680435 A JPS5680435 A JP S5680435A
Authority
JP
Japan
Prior art keywords
foamed
pressure
mold
cavity
steam
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
JP15883279A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6114935B2 (enrdf_load_stackoverflow
Inventor
Toshio Sugawara
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.)
Sekisui Kasei Co Ltd
Original Assignee
Sekisui Plastics 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 Sekisui Plastics Co Ltd filed Critical Sekisui Plastics Co Ltd
Priority to JP15883279A priority Critical patent/JPS5680435A/ja
Publication of JPS5680435A publication Critical patent/JPS5680435A/ja
Publication of JPS6114935B2 publication Critical patent/JPS6114935B2/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
    • 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
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • 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
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould

Landscapes

  • Molding Of Porous Articles (AREA)
JP15883279A 1979-12-06 1979-12-06 Manufacture of foamed form of thermoplastic resin Granted JPS5680435A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15883279A JPS5680435A (en) 1979-12-06 1979-12-06 Manufacture of foamed form of thermoplastic resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15883279A JPS5680435A (en) 1979-12-06 1979-12-06 Manufacture of foamed form of thermoplastic resin

Publications (2)

Publication Number Publication Date
JPS5680435A true JPS5680435A (en) 1981-07-01
JPS6114935B2 JPS6114935B2 (enrdf_load_stackoverflow) 1986-04-21

Family

ID=15680360

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15883279A Granted JPS5680435A (en) 1979-12-06 1979-12-06 Manufacture of foamed form of thermoplastic resin

Country Status (1)

Country Link
JP (1) JPS5680435A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01166728A (ja) * 1987-12-22 1989-06-30 Ejiri Horo Kk ほうろう引き保温容器

Also Published As

Publication number Publication date
JPS6114935B2 (enrdf_load_stackoverflow) 1986-04-21

Similar Documents

Publication Publication Date Title
US3264381A (en) Method of manufacturing low density products of molded synthetic resin
KR100239257B1 (ko) 스킨을 가진 팽창 플래스틱 제조방법 및 그 성형장치
JPS5514243A (en) Foaming mold for thermoplastic synthetic resin
JPS55128438A (en) Cooling method and device fit for forming foamed synthetic resin
US2768407A (en) Introducing thermoplastic
US4435523A (en) Process for manufacturing articles of foamed thermoplastic material and article produced thereby
JPS5680435A (en) Manufacture of foamed form of thermoplastic resin
JPS572735A (en) Manufacture of foamed thermoplastic resin molded body
US2420815A (en) Process of producing expanded rubber material
IE800185L (en) Pre-expanding thermoplastic resin.
JPS5747629A (en) Production of multilayer expansion-molded article
JPS63273438A (ja) チュ−インガムの成形方法
JPS5928169B2 (ja) 発泡成形方法
JPS5573533A (en) Production of formed polystyrene bead foam covered on its surface with cloth skin
JPS5951890B2 (ja) 合成樹脂の発泡成形法
JP3055831B2 (ja) 発泡樹脂の発泡成形方法
JPS56159130A (en) Molding apparatus for thermoplastic resin foamed body
US2500603A (en) Process of producing expanded rubber material
JPS55142627A (en) Method of expansion molding
JPS572736A (en) Manufacture of foamed thermoplastic resin molded body
JP2858781B2 (ja) 発泡鋳造模型の成形法
JPS57150554A (en) Injection molding with screw and its manufacture
JPS5555835A (en) Thermoplastic resin foam material and its manufacturing process
JPS5796831A (en) Method of molding styrene synthetic resin foamed item
KR800001346Y1 (ko) 어망용 부자의 제조장치