CS244926B2 - Regulation method and apparatus for creating sections of free foaming polymeres namely polyurethanes - Google Patents

Regulation method and apparatus for creating sections of free foaming polymeres namely polyurethanes Download PDF

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Publication number
CS244926B2
CS244926B2 CS831685A CS168583A CS244926B2 CS 244926 B2 CS244926 B2 CS 244926B2 CS 831685 A CS831685 A CS 831685A CS 168583 A CS168583 A CS 168583A CS 244926 B2 CS244926 B2 CS 244926B2
Authority
CS
Czechoslovakia
Prior art keywords
control
shield
der
pressure
gas
Prior art date
Application number
CS831685A
Other languages
Czech (cs)
English (en)
Inventor
Janos Fejes
Laszlo Nemeth
Vladimir Gyurjan
Zoltan Salamon
Istvan Heczei
Arpad Agocs
Laszlo Gaspar
Original Assignee
Eszakmagyar Vegyimuevek
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 Eszakmagyar Vegyimuevek filed Critical Eszakmagyar Vegyimuevek
Publication of CS244926B2 publication Critical patent/CS244926B2/cs

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/60Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/36Feeding the material to be shaped
    • B29C44/46Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/467Foam spreading or levelling devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2075/00Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material

Landscapes

  • Molding Of Porous Articles (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Moulding By Coating Moulds (AREA)
CS831685A 1982-03-24 1983-03-11 Regulation method and apparatus for creating sections of free foaming polymeres namely polyurethanes CS244926B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU82896A HU185699B (en) 1982-03-24 1982-03-24 Method and apparatus for regulating the shaping of the cross section of freely foamable polimers, preferably poliuretans

Publications (1)

Publication Number Publication Date
CS244926B2 true CS244926B2 (en) 1986-08-14

Family

ID=10951927

Family Applications (1)

Application Number Title Priority Date Filing Date
CS831685A CS244926B2 (en) 1982-03-24 1983-03-11 Regulation method and apparatus for creating sections of free foaming polymeres namely polyurethanes

Country Status (18)

Country Link
EP (1) EP0089663A3 (da)
JP (1) JPS58173633A (da)
AU (1) AU552853B2 (da)
BR (1) BR8301494A (da)
CA (1) CA1217012A (da)
CS (1) CS244926B2 (da)
DD (1) DD236406A5 (da)
DK (1) DK89883A (da)
ES (1) ES8501783A1 (da)
FI (1) FI830572L (da)
GR (1) GR77938B (da)
HU (1) HU185699B (da)
NO (1) NO831029L (da)
PL (1) PL136211B1 (da)
PT (1) PT76350B (da)
RO (1) RO88364B (da)
SU (1) SU1389670A3 (da)
YU (1) YU66083A (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4666393A (en) * 1986-06-13 1987-05-19 Human Industry Corporation Apparatus for manufacturing polyurethane foam slabs in a batch
US4856548A (en) * 1988-03-10 1989-08-15 Paluch Bernard R Resuscitation valve

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2445271A1 (de) * 1974-09-21 1976-04-08 Continental Gummi Werke Ag Vorrichtung zum kontinuierlichen herstellen von bloecken mit im vertikalschnitt rechteckigem querschnitt aus kunststoffschaeumen insbesondere polyurethan-kunststoffschaeumen
GB1531131A (en) * 1975-04-18 1978-11-01 Ici Ltd Laminating process and apparatus therefor

Also Published As

Publication number Publication date
YU66083A (en) 1986-02-28
RO88364B (ro) 1987-07-01
FI830572A7 (fi) 1983-09-25
DK89883D0 (da) 1983-02-25
PT76350B (en) 1986-01-10
PL136211B1 (en) 1986-02-28
GR77938B (da) 1984-09-25
JPS58173633A (ja) 1983-10-12
EP0089663A3 (de) 1987-09-16
SU1389670A3 (ru) 1988-04-15
EP0089663A2 (de) 1983-09-28
PT76350A (en) 1983-04-01
NO831029L (no) 1983-09-26
DK89883A (da) 1983-09-25
FI830572L (fi) 1983-09-25
AU552853B2 (en) 1986-06-26
CA1217012A (en) 1987-01-27
RO88364A (ro) 1987-06-30
AU1258283A (en) 1983-09-29
PL241144A1 (en) 1984-07-02
HU185699B (en) 1985-03-28
ES520821A0 (es) 1984-12-01
DD236406A5 (de) 1986-06-04
ES8501783A1 (es) 1984-12-01
BR8301494A (pt) 1983-12-06
FI830572A0 (fi) 1983-02-21

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