JPS54160472A - Molding of foamed resin sheet by t-die casting - Google Patents

Molding of foamed resin sheet by t-die casting

Info

Publication number
JPS54160472A
JPS54160472A JP6877078A JP6877078A JPS54160472A JP S54160472 A JPS54160472 A JP S54160472A JP 6877078 A JP6877078 A JP 6877078A JP 6877078 A JP6877078 A JP 6877078A JP S54160472 A JPS54160472 A JP S54160472A
Authority
JP
Japan
Prior art keywords
roll
cooling
foamed resin
resin sheet
molding
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
JP6877078A
Other languages
Japanese (ja)
Other versions
JPS5760137B2 (en
Inventor
Masahiko Yamaguchi
Masao Nakano
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.)
Ube Corp
Original Assignee
Ube Industries 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 Ube Industries Ltd filed Critical Ube Industries Ltd
Priority to JP6877078A priority Critical patent/JPS54160472A/en
Publication of JPS54160472A publication Critical patent/JPS54160472A/en
Publication of JPS5760137B2 publication Critical patent/JPS5760137B2/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
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • 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
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
    • B29C48/9155—Pressure rollers
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92923—Calibration, after-treatment or cooling zone

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)

Abstract

PURPOSE:To eliminate the unevenness of a foamed resin sheet due to the insufficient cooling, by cooling the molten sheet from a T-die with a plurality of cooling rolls rotating at specific peripheral speeds from both sides. CONSTITUTION:The third cooling roll 7 is provided opposite the first cooling roll 5 and rotated at a ratio of V2>V1. The molten foamed resin sheet 3 extruded from the T-die 1 is passed between the rolls 7 and 5, and cooled by the second roll 6. The median of the ratio V2/V1 is selected from the values obtained by the formula V2=V1.r2/r1 (r1 is the radius of the roll 5; r2 is the minimum distance between the center 0 of the roll 5 and the surface of the roll 7).
JP6877078A 1978-06-09 1978-06-09 Molding of foamed resin sheet by t-die casting Granted JPS54160472A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6877078A JPS54160472A (en) 1978-06-09 1978-06-09 Molding of foamed resin sheet by t-die casting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6877078A JPS54160472A (en) 1978-06-09 1978-06-09 Molding of foamed resin sheet by t-die casting

Publications (2)

Publication Number Publication Date
JPS54160472A true JPS54160472A (en) 1979-12-19
JPS5760137B2 JPS5760137B2 (en) 1982-12-17

Family

ID=13383290

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6877078A Granted JPS54160472A (en) 1978-06-09 1978-06-09 Molding of foamed resin sheet by t-die casting

Country Status (1)

Country Link
JP (1) JPS54160472A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0691725A (en) * 1992-09-14 1994-04-05 Japan Steel Works Ltd:The Method and apparatus for molding foamed sheet

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6026629B1 (en) * 2015-12-08 2016-11-16 株式会社コロプラ Game program

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0691725A (en) * 1992-09-14 1994-04-05 Japan Steel Works Ltd:The Method and apparatus for molding foamed sheet

Also Published As

Publication number Publication date
JPS5760137B2 (en) 1982-12-17

Similar Documents

Publication Publication Date Title
AU504990B2 (en) Wet-dry water cooling tower
FI830923A0 (en) FOERFARANDE OCH ANORDNING FOER FRAMSTAELLNING AV ETT PRODUKTFOERRAOD FOER TILLVERKNING AV FOERSLUTNINGSBARA BEHAOLLARE
CA996544A (en) Opposed air path wet-dry cooling tower
FR2344672A1 (en) PROCESS FOR THE PRODUCTION OF SEPARABLE LAMINATES INCLUDING A SELF-ADHESIVE PAPER COVERED WITH A TAKE-OFF LAYER
BE817676A (en) PROCESS FOR THE MANUFACTURE OF A POROUS DIAPHRAGM AND POROUS DIAPHRAGM OBTAINED ACCORDING TO THIS PROCESS
JPS54160472A (en) Molding of foamed resin sheet by t-die casting
JPS5328415A (en) Manufacture method of photographic light sensitive material
BE855733A (en) PROCESS FOR THE EXCHANGE OF COBALT IONS
GB1441263A (en) Process for producing polymeric film
CA983522A (en) Procede de fabrication d'hydrazodicarbonamide
JPS5326284A (en) Production of cation exchanger
JPS5544804A (en) Preparation for polymer film
Raft Increase of the Productivity of Aluminum Extrusion by Means of Developing Modern Tools
JPS5588269A (en) Filling device of paste for lead battery
JPS57156219A (en) Preparation of thermoplastic resin film
GB1122416A (en) Improvements relating to the production of highly transparent flat film
PT64684B (en) PROCESS FOR THE PREPARATION OF MOLDABLE MATERIAL HAVING A POLYETHYLENE BASE FOR THE EXTRUSION OF TUBES AND PLATES WITH REDUCED SURFACE RESISTENCE
JPS56159126A (en) Apparatus for controlling temperature of synthetic resin sheet
JPS557412A (en) Shock-resistance polystyrene system film with excellent transparency
JPS544970A (en) Surface improvement of molded plastic article
BE817700A (en) PROCESS FOR THE TRANSFORMATION OF A NITROGEN OXIDE WITH HYDROGEN
JPS557451A (en) Production of polypropylene sheet
JPS5724213A (en) Forming by rolls
JPS5396068A (en) Continuous production of synthetic resin tube
BE817452A (en) PROCESS FOR THE CONTINUOUS MANUFACTURING OF INDENE RESINS