JPS58104725A - 表面に突条を持つた発泡シ−トの製造用口金 - Google Patents

表面に突条を持つた発泡シ−トの製造用口金

Info

Publication number
JPS58104725A
JPS58104725A JP56204971A JP20497181A JPS58104725A JP S58104725 A JPS58104725 A JP S58104725A JP 56204971 A JP56204971 A JP 56204971A JP 20497181 A JP20497181 A JP 20497181A JP S58104725 A JPS58104725 A JP S58104725A
Authority
JP
Japan
Prior art keywords
wall surface
sides
protrusions
foamed sheet
resin
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
JP56204971A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6236853B2 (show.php
Inventor
Yoshigo Sano
佐野　善吾
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 JP56204971A priority Critical patent/JPS58104725A/ja
Publication of JPS58104725A publication Critical patent/JPS58104725A/ja
Publication of JPS6236853B2 publication Critical patent/JPS6236853B2/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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles

Landscapes

  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
JP56204971A 1981-12-17 1981-12-17 表面に突条を持つた発泡シ−トの製造用口金 Granted JPS58104725A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56204971A JPS58104725A (ja) 1981-12-17 1981-12-17 表面に突条を持つた発泡シ−トの製造用口金

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56204971A JPS58104725A (ja) 1981-12-17 1981-12-17 表面に突条を持つた発泡シ−トの製造用口金

Publications (2)

Publication Number Publication Date
JPS58104725A true JPS58104725A (ja) 1983-06-22
JPS6236853B2 JPS6236853B2 (show.php) 1987-08-10

Family

ID=16499324

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56204971A Granted JPS58104725A (ja) 1981-12-17 1981-12-17 表面に突条を持つた発泡シ−トの製造用口金

Country Status (1)

Country Link
JP (1) JPS58104725A (show.php)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5339369A (en) * 1976-09-24 1978-04-11 Japan Styrene Paper Corp Device for manufacture of waveelike synthetic resin foam product

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5339369A (en) * 1976-09-24 1978-04-11 Japan Styrene Paper Corp Device for manufacture of waveelike synthetic resin foam product

Also Published As

Publication number Publication date
JPS6236853B2 (show.php) 1987-08-10

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