JPS5838129A - 波形樹脂発泡シ−トの製造方法 - Google Patents

波形樹脂発泡シ−トの製造方法

Info

Publication number
JPS5838129A
JPS5838129A JP56135929A JP13592981A JPS5838129A JP S5838129 A JPS5838129 A JP S5838129A JP 56135929 A JP56135929 A JP 56135929A JP 13592981 A JP13592981 A JP 13592981A JP S5838129 A JPS5838129 A JP S5838129A
Authority
JP
Japan
Prior art keywords
resin
mold
arrow
foam sheet
outer 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
JP56135929A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6354533B2 (enrdf_load_stackoverflow
Inventor
Hidetomo Shirai
白井　英知
Tadayasu Tsubone
匡泰 坪根
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 JP56135929A priority Critical patent/JPS5838129A/ja
Publication of JPS5838129A publication Critical patent/JPS5838129A/ja
Publication of JPS6354533B2 publication Critical patent/JPS6354533B2/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
    • B29C44/507—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 extruding the compound through an annular die
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • 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
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0072—Roughness, e.g. anti-slip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/003—Tubular articles having irregular or rough surfaces

Landscapes

  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
JP56135929A 1981-08-28 1981-08-28 波形樹脂発泡シ−トの製造方法 Granted JPS5838129A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56135929A JPS5838129A (ja) 1981-08-28 1981-08-28 波形樹脂発泡シ−トの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56135929A JPS5838129A (ja) 1981-08-28 1981-08-28 波形樹脂発泡シ−トの製造方法

Publications (2)

Publication Number Publication Date
JPS5838129A true JPS5838129A (ja) 1983-03-05
JPS6354533B2 JPS6354533B2 (enrdf_load_stackoverflow) 1988-10-28

Family

ID=15163142

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56135929A Granted JPS5838129A (ja) 1981-08-28 1981-08-28 波形樹脂発泡シ−トの製造方法

Country Status (1)

Country Link
JP (1) JPS5838129A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59164122A (ja) * 1983-03-08 1984-09-17 Showa Denko Kk 発泡異形押出成形法
JP2007160568A (ja) * 2005-12-09 2007-06-28 Kawata Mfg Co Ltd 中空円筒体の押出ダイおよび発泡押出成形装置
CN102840393A (zh) * 2012-09-18 2012-12-26 浙江新大塑料管件有限公司 一种双层聚乙烯管

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59164122A (ja) * 1983-03-08 1984-09-17 Showa Denko Kk 発泡異形押出成形法
JP2007160568A (ja) * 2005-12-09 2007-06-28 Kawata Mfg Co Ltd 中空円筒体の押出ダイおよび発泡押出成形装置
CN102840393A (zh) * 2012-09-18 2012-12-26 浙江新大塑料管件有限公司 一种双层聚乙烯管

Also Published As

Publication number Publication date
JPS6354533B2 (enrdf_load_stackoverflow) 1988-10-28

Similar Documents

Publication Publication Date Title
US4104440A (en) Method for making packaging particles and resulting product
EP0291764B1 (en) Method of manufacturing foamed polypropylene resin sheet
US4456571A (en) Process and apparatus for forming a composite foamed polymeric sheet structure having comparatively high density skin layers and a comparatively low density core layer
US3426111A (en) Method and apparatus for the production of foam plastic sheet
JP6614706B2 (ja) 発泡ブロー成形体の製造方法
US5356944A (en) High melt index polystytene foam and method
US3488746A (en) Process for the production of a foamed polyethylene layflat tube
JP2005138508A (ja) ポリプロピレン系樹脂発泡シートの製造方法
US3248462A (en) Method for producing foamed sheet material having essentially equal tensile properties
JPS5838129A (ja) 波形樹脂発泡シ−トの製造方法
US3810965A (en) Process of producing a foamed resin sheet
US5854294A (en) Process for producing foamed body of polycarbonate resin and foamed body obtained thereby
US3876740A (en) Process for improving interior surface smoothness and gloss in foamed tubular extrudates by the use of extrusion die faces of novel geometry
JPS6052929B2 (ja) 発泡ポリスチレンシ−トの製造方法
US3670059A (en) Method of producing a skin-covered foamed thermoplastic
JP2926635B2 (ja) ポリカーボネート樹脂押し出し発泡シート
US3966373A (en) Apparatus for the continuous extrusion of small cross-section thermoplastic foam profiles
US3985847A (en) Method for the extrusion of foam shapes
US3806567A (en) Method for producing reinforced, cellular slabs by extrusion
JPH02130120A (ja) 発泡ポリオレフィン系樹脂シートの製造方法及び製造装置
JP3100343B2 (ja) 柔軟性を有するポリスチレン系樹脂発泡シート積層体
US3976419A (en) Die restrictions to obtain smooth surfaces on foam extrudates
JPS5816831A (ja) 発泡樹脂シ−トの押出成形方法
JP3597266B2 (ja) 発泡ポリオレフィンシートの製造方法
US3343216A (en) Apparatus for the preparation of foamed sheet material