JPS5775832A - Extrusion foam molding - Google Patents

Extrusion foam molding

Info

Publication number
JPS5775832A
JPS5775832A JP55151389A JP15138980A JPS5775832A JP S5775832 A JPS5775832 A JP S5775832A JP 55151389 A JP55151389 A JP 55151389A JP 15138980 A JP15138980 A JP 15138980A JP S5775832 A JPS5775832 A JP S5775832A
Authority
JP
Japan
Prior art keywords
barrel
slot
specific
styrene resin
extruder
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
JP55151389A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6230088B2 (enrdf_load_stackoverflow
Inventor
Hiroatsu Tsunoda
Shiyouzou Senzan
Yasunori Hibi
Toshihiro Warashina
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.)
Sanyo Kokusaku Pulp Co Ltd
Original Assignee
Sanyo Kokusaku Pulp 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 Sanyo Kokusaku Pulp Co Ltd filed Critical Sanyo Kokusaku Pulp Co Ltd
Priority to JP55151389A priority Critical patent/JPS5775832A/ja
Publication of JPS5775832A publication Critical patent/JPS5775832A/ja
Publication of JPS6230088B2 publication Critical patent/JPS6230088B2/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
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/68—Barrels or cylinders
    • B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
    • B29C48/686—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having grooves or cavities
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
JP55151389A 1980-10-30 1980-10-30 Extrusion foam molding Granted JPS5775832A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55151389A JPS5775832A (en) 1980-10-30 1980-10-30 Extrusion foam molding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55151389A JPS5775832A (en) 1980-10-30 1980-10-30 Extrusion foam molding

Publications (2)

Publication Number Publication Date
JPS5775832A true JPS5775832A (en) 1982-05-12
JPS6230088B2 JPS6230088B2 (enrdf_load_stackoverflow) 1987-06-30

Family

ID=15517508

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55151389A Granted JPS5775832A (en) 1980-10-30 1980-10-30 Extrusion foam molding

Country Status (1)

Country Link
JP (1) JPS5775832A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4832889A (en) * 1988-01-04 1989-05-23 Mobil Oil Corporation Vaulted screw/grooved barrel extrusion machine, method and system
US4842788A (en) * 1988-01-04 1989-06-27 Mobil Oil Corporation Process of an apparatus for extruding a meltable composition
CN102785345A (zh) * 2012-08-22 2012-11-21 张家港市穗通机械有限公司 机筒
JP2021094835A (ja) * 2019-12-19 2021-06-24 東レ株式会社 単軸スクリュー式押出装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03117192U (enrdf_load_stackoverflow) * 1990-03-15 1991-12-04
JP6120393B1 (ja) * 2016-07-14 2017-04-26 日本シーム株式会社 造粒機

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PLASTIC ENGINEERING=1978 *
RIGID PLASTICS FORAMS=1963 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4832889A (en) * 1988-01-04 1989-05-23 Mobil Oil Corporation Vaulted screw/grooved barrel extrusion machine, method and system
US4842788A (en) * 1988-01-04 1989-06-27 Mobil Oil Corporation Process of an apparatus for extruding a meltable composition
CN102785345A (zh) * 2012-08-22 2012-11-21 张家港市穗通机械有限公司 机筒
JP2021094835A (ja) * 2019-12-19 2021-06-24 東レ株式会社 単軸スクリュー式押出装置

Also Published As

Publication number Publication date
JPS6230088B2 (enrdf_load_stackoverflow) 1987-06-30

Similar Documents

Publication Publication Date Title
GB1417312A (en) Method and apparatus for making structural elements
US3431164A (en) Foamed polyvinylaromatic resin products having elongated cells at right angles to a surface skin and their manufacture
US3431163A (en) Foamed aliphatic resin products having elongated cells at right angles to a surface skin and their manufacture
EP0637329B1 (en) Process for making polystyrene foam
US3426111A (en) Method and apparatus for the production of foam plastic sheet
US4154563A (en) Apparatus for making structural profiles
US5286429A (en) High melt index polystyrene foam and method
GB1075189A (en) Improvements in or relating to an extruder
GB2271742B (en) Process for extruding low density foam using water blowing agent
GB1531031A (en) Process for the preparation of thermoplastic sheets or webs and products obtained thereby
US5356944A (en) High melt index polystytene foam and method
GB1454579A (en) Profile extrusion process
JPS5775832A (en) Extrusion foam molding
US3927160A (en) Formal profile extrusion process
US3194854A (en) Process for producing thermoplastic foams
CA1159200A (en) Process for producing polyethylene foam
GB1166937A (en) Improvements in or relating to The Production Of Foamed Resins
US3327030A (en) Method and apparatus for forming elongated members
US3248462A (en) Method for producing foamed sheet material having essentially equal tensile properties
CA2104961A1 (en) Nondistorted polyethylene foam structures and process for making
US3890416A (en) Method for producing a cavity or a zone of very low density in the interior of extruded profiles of foamable thermoplastics
US4732718A (en) Process for extrusion of expandable plastic materials
GB1182964A (en) Process for the Production of Foamed or Foamable Resin Compositions.
US3966373A (en) Apparatus for the continuous extrusion of small cross-section thermoplastic foam profiles
US3976419A (en) Die restrictions to obtain smooth surfaces on foam extrudates