CH540767A - Procédé et appareil pour la destruction des membranes de cellules d'une matière cellulaire souple sous forme de mousse, et matière obtenue par ce procédé - Google Patents

Procédé et appareil pour la destruction des membranes de cellules d'une matière cellulaire souple sous forme de mousse, et matière obtenue par ce procédé

Info

Publication number
CH540767A
CH540767A CH93371A CH93371A CH540767A CH 540767 A CH540767 A CH 540767A CH 93371 A CH93371 A CH 93371A CH 93371 A CH93371 A CH 93371A CH 540767 A CH540767 A CH 540767A
Authority
CH
Switzerland
Prior art keywords
dial
conveyor belt
stamp
dials
luminous
Prior art date
Application number
CH93371A
Other languages
German (de)
English (en)
French (fr)
Inventor
Ferstenberg Charles
Original Assignee
Tenneco Chem
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 Tenneco Chem filed Critical Tenneco Chem
Publication of CH540767A publication Critical patent/CH540767A/de

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
    • B29C44/56After-treatment of articles, e.g. for altering the shape
    • B29C44/5627After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
    • B29C44/5672After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching by stretching the foam, e.g. to open the cells
    • 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
    • B29C44/56After-treatment of articles, e.g. for altering the shape
    • B29C44/5627After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/36After-treatment
    • C08J9/38Destruction of cell membranes
    • 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
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • 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
    • B29C71/00After-treatment of articles without altering their shape; Apparatus therefor
    • 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
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B29K2105/045Condition, form or state of moulded material or of the material to be shaped cellular or porous with open cells

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Cell Biology (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Cleaning In General (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
CH93371A 1970-01-21 1971-01-21 Procédé et appareil pour la destruction des membranes de cellules d'une matière cellulaire souple sous forme de mousse, et matière obtenue par ce procédé CH540767A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US454570A 1970-01-21 1970-01-21

Publications (1)

Publication Number Publication Date
CH540767A true CH540767A (fr) 1973-08-31

Family

ID=21711309

Family Applications (1)

Application Number Title Priority Date Filing Date
CH93371A CH540767A (fr) 1970-01-21 1971-01-21 Procédé et appareil pour la destruction des membranes de cellules d'une matière cellulaire souple sous forme de mousse, et matière obtenue par ce procédé

Country Status (10)

Country Link
AU (1) AU2445971A (enExample)
BE (1) BE761500A (enExample)
CH (1) CH540767A (enExample)
DE (1) DE2102844A1 (enExample)
ES (2) ES386845A1 (enExample)
FR (1) FR2077247B1 (enExample)
GB (1) GB1321489A (enExample)
LU (1) LU62448A1 (enExample)
NL (1) NL7100814A (enExample)
ZA (1) ZA708518B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4579700A (en) * 1983-11-07 1986-04-01 Union Carbide Corporation Novel process for making flexible polyurethane cellular products including a novel cell opening technique
US7083849B1 (en) 1999-06-04 2006-08-01 3M Innovative Properties Company Breathable polymer foams

Also Published As

Publication number Publication date
AU2445971A (en) 1972-07-27
NL7100814A (enExample) 1971-07-23
BE761500A (fr) 1971-06-16
ES386845A1 (es) 1973-04-01
FR2077247B1 (enExample) 1974-09-27
ES387328A1 (es) 1973-05-01
DE2102844A1 (de) 1971-08-05
GB1321489A (en) 1973-06-27
ZA708518B (en) 1971-11-24
LU62448A1 (enExample) 1971-08-27
FR2077247A1 (enExample) 1971-10-22

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Legal Events

Date Code Title Description
PL Patent ceased