AT321565B - Verfahren zur Erhöhung der Druckspannungen an fertig expandierten Hartschaumstoffen - Google Patents

Verfahren zur Erhöhung der Druckspannungen an fertig expandierten Hartschaumstoffen

Info

Publication number
AT321565B
AT321565B AT558972A AT558972A AT321565B AT 321565 B AT321565 B AT 321565B AT 558972 A AT558972 A AT 558972A AT 558972 A AT558972 A AT 558972A AT 321565 B AT321565 B AT 321565B
Authority
AT
Austria
Prior art keywords
increasing
fully expanded
compressive stresses
rigid foams
expanded rigid
Prior art date
Application number
AT558972A
Other languages
German (de)
English (en)
Original Assignee
Wasser Sand Forschungs Gmbh
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 Wasser Sand Forschungs Gmbh filed Critical Wasser Sand Forschungs Gmbh
Application granted granted Critical
Publication of AT321565B publication Critical patent/AT321565B/de

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
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
    • B29C44/5636—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching with the addition of heat

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (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)
  • Laminated Bodies (AREA)
AT558972A 1971-06-29 1972-06-28 Verfahren zur Erhöhung der Druckspannungen an fertig expandierten Hartschaumstoffen AT321565B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712132234 DE2132234C3 (de) 1971-06-29 1971-06-29 Verfahren zum Verbessern der physikalischen Eigenschaften von fertig expandierten Hartschaumstoffkörpern, die aus einzelnen zellförmigen Partikeln aufgebaut sind

Publications (1)

Publication Number Publication Date
AT321565B true AT321565B (de) 1975-04-10

Family

ID=5812104

Family Applications (1)

Application Number Title Priority Date Filing Date
AT558972A AT321565B (de) 1971-06-29 1972-06-28 Verfahren zur Erhöhung der Druckspannungen an fertig expandierten Hartschaumstoffen

Country Status (13)

Country Link
AT (1) AT321565B (OSRAM)
BE (1) BE785519A (OSRAM)
CA (1) CA984568A (OSRAM)
CH (1) CH540112A (OSRAM)
DE (1) DE2132234C3 (OSRAM)
DK (1) DK133861C (OSRAM)
ES (1) ES404168A1 (OSRAM)
FI (1) FI52538C (OSRAM)
FR (1) FR2143726B1 (OSRAM)
GB (1) GB1401846A (OSRAM)
IT (1) IT956908B (OSRAM)
NL (1) NL7208787A (OSRAM)
SE (1) SE389637B (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5736075A (en) * 1996-10-22 1998-04-07 C.J. Associates, Ltd. Method of forming a molded product using a freezing step

Also Published As

Publication number Publication date
DE2132234B2 (de) 1974-02-07
FI52538B (OSRAM) 1977-06-30
FR2143726B1 (OSRAM) 1975-03-07
IT956908B (it) 1973-10-10
CH540112A (de) 1973-08-15
NL7208787A (OSRAM) 1973-01-03
DE2132234A1 (de) 1973-03-01
FI52538C (fi) 1977-10-10
DK133861C (da) 1976-12-27
SE389637B (sv) 1976-11-15
ES404168A1 (es) 1975-06-01
DK133861B (da) 1976-08-02
FR2143726A1 (OSRAM) 1973-02-09
DE2132234C3 (de) 1974-09-05
CA984568A (en) 1976-03-02
GB1401846A (en) 1975-07-30
BE785519A (fr) 1972-12-28

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee