JPS57167222A - Filling method for raw material particle in expansion molding - Google Patents

Filling method for raw material particle in expansion molding

Info

Publication number
JPS57167222A
JPS57167222A JP56052648A JP5264881A JPS57167222A JP S57167222 A JPS57167222 A JP S57167222A JP 56052648 A JP56052648 A JP 56052648A JP 5264881 A JP5264881 A JP 5264881A JP S57167222 A JPS57167222 A JP S57167222A
Authority
JP
Japan
Prior art keywords
raw material
cavity
aperture
mold
core mold
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
JP56052648A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6215335B2 (enrdf_load_stackoverflow
Inventor
Susumu Ujihara
Ryoichi Hiwatari
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 Kaseihin Kogyo KK
Sekisui Kasei Co Ltd
Original Assignee
Sekisui Plastics Co Ltd
Sekisui Kaseihin Kogyo 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 Sekisui Plastics Co Ltd, Sekisui Kaseihin Kogyo KK filed Critical Sekisui Plastics Co Ltd
Priority to JP56052648A priority Critical patent/JPS57167222A/ja
Publication of JPS57167222A publication Critical patent/JPS57167222A/ja
Publication of JPS6215335B2 publication Critical patent/JPS6215335B2/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

  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Molding Of Porous Articles (AREA)
JP56052648A 1981-04-07 1981-04-07 Filling method for raw material particle in expansion molding Granted JPS57167222A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56052648A JPS57167222A (en) 1981-04-07 1981-04-07 Filling method for raw material particle in expansion molding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56052648A JPS57167222A (en) 1981-04-07 1981-04-07 Filling method for raw material particle in expansion molding

Publications (2)

Publication Number Publication Date
JPS57167222A true JPS57167222A (en) 1982-10-15
JPS6215335B2 JPS6215335B2 (enrdf_load_stackoverflow) 1987-04-07

Family

ID=12920659

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56052648A Granted JPS57167222A (en) 1981-04-07 1981-04-07 Filling method for raw material particle in expansion molding

Country Status (1)

Country Link
JP (1) JPS57167222A (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS562140A (en) * 1979-06-21 1981-01-10 Sekisui Plastics Co Ltd Foaming molding method
JPS5628835A (en) * 1979-05-31 1981-03-23 Civag Ag Method of molding foaming thermoplastic resin and device using said method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5628835A (en) * 1979-05-31 1981-03-23 Civag Ag Method of molding foaming thermoplastic resin and device using said method
JPS562140A (en) * 1979-06-21 1981-01-10 Sekisui Plastics Co Ltd Foaming molding method

Also Published As

Publication number Publication date
JPS6215335B2 (enrdf_load_stackoverflow) 1987-04-07

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