CH540112A - Process for increasing the compressive stresses on fully expanded rigid foams, which are built up from individual cellular particles, using pressure and heat and a device for carrying out the process - Google Patents

Process for increasing the compressive stresses on fully expanded rigid foams, which are built up from individual cellular particles, using pressure and heat and a device for carrying out the process

Info

Publication number
CH540112A
CH540112A CH957572A CH957572A CH540112A CH 540112 A CH540112 A CH 540112A CH 957572 A CH957572 A CH 957572A CH 957572 A CH957572 A CH 957572A CH 540112 A CH540112 A CH 540112A
Authority
CH
Switzerland
Prior art keywords
built
increasing
carrying
heat
pressure
Prior art date
Application number
CH957572A
Other languages
German (de)
Inventor
Strauven Kurt
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
Publication of CH540112A publication Critical patent/CH540112A/en

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)
CH957572A 1971-06-29 1972-06-22 Process for increasing the compressive stresses on fully expanded rigid foams, which are built up from individual cellular particles, using pressure and heat and a device for carrying out the process CH540112A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712132234 DE2132234C3 (en) 1971-06-29 1971-06-29 Process for improving the physical properties of fully expanded rigid foam bodies which are built up from individual cellular particles

Publications (1)

Publication Number Publication Date
CH540112A true CH540112A (en) 1973-08-15

Family

ID=5812104

Family Applications (1)

Application Number Title Priority Date Filing Date
CH957572A CH540112A (en) 1971-06-29 1972-06-22 Process for increasing the compressive stresses on fully expanded rigid foams, which are built up from individual cellular particles, using pressure and heat and a device for carrying out the process

Country Status (13)

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

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
FI52538C (en) 1977-10-10
IT956908B (en) 1973-10-10
DE2132234B2 (en) 1974-02-07
DK133861C (en) 1976-12-27
DE2132234A1 (en) 1973-03-01
DK133861B (en) 1976-08-02
ES404168A1 (en) 1975-06-01
FR2143726B1 (en) 1975-03-07
FR2143726A1 (en) 1973-02-09
GB1401846A (en) 1975-07-30
CA984568A (en) 1976-03-02
SE389637B (en) 1976-11-15
BE785519A (en) 1972-12-28
NL7208787A (en) 1973-01-03
FI52538B (en) 1977-06-30
DE2132234C3 (en) 1974-09-05
AT321565B (en) 1975-04-10

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Legal Events

Date Code Title Description
PL Patent ceased