ES424312A1 - Treatment of open-celled cellular polymeric foam - Google Patents

Treatment of open-celled cellular polymeric foam

Info

Publication number
ES424312A1
ES424312A1 ES424312A ES424312A ES424312A1 ES 424312 A1 ES424312 A1 ES 424312A1 ES 424312 A ES424312 A ES 424312A ES 424312 A ES424312 A ES 424312A ES 424312 A1 ES424312 A1 ES 424312A1
Authority
ES
Spain
Prior art keywords
fluid
support means
open
zones
strip
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.)
Expired
Application number
ES424312A
Other languages
Spanish (es)
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.)
Tenneco Chemicals Inc
Original Assignee
Tenneco Chemicals Inc
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 Chemicals Inc filed Critical Tenneco Chemicals Inc
Publication of ES424312A1 publication Critical patent/ES424312A1/en
Expired 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
    • B29C44/56—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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/36—After-treatment
    • C08J9/38—Destruction of cell membranes
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B29K2105/045—Condition, 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Cell Biology (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

An apparatus for increasing the degree of opening of a strip of an open-cell cellular polymeric foam, comprising support means comprising a hard and elastic support surface, open for fluid passage therethrough, motor means for moving said strip foam in the longitudinal direction through said support means, nozzle means adjacent to the support means to direct a jet of fluid to the support means, fluid-tight separation means to divide the support means and the volume located below the support means in adjacent first, second and third zones, the zones being arranged along the direction of. displacement of the foam strip through the support surface, such that the second intermediate zone is directly below the nozzle, and pressure reducing means in connection for the passage of fluid with the first and third zones to reduce fluid pressure in these areas. (Machine-translation by Google Translate, not legally binding)
ES424312A 1970-12-01 1974-03-15 Treatment of open-celled cellular polymeric foam Expired ES424312A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9403570A 1970-12-01 1970-12-01

Publications (1)

Publication Number Publication Date
ES424312A1 true ES424312A1 (en) 1976-06-16

Family

ID=22242409

Family Applications (2)

Application Number Title Priority Date Filing Date
ES397557A Expired ES397557A1 (en) 1970-12-01 1971-12-01 Treatment of open-celled cellular polymeric foam
ES424312A Expired ES424312A1 (en) 1970-12-01 1974-03-15 Treatment of open-celled cellular polymeric foam

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES397557A Expired ES397557A1 (en) 1970-12-01 1971-12-01 Treatment of open-celled cellular polymeric foam

Country Status (10)

Country Link
AU (1) AU3628671A (en)
BE (1) BE776128R (en)
DE (1) DE2159656A1 (en)
ES (2) ES397557A1 (en)
FR (1) FR2116447A6 (en)
GB (1) GB1330980A (en)
IT (1) IT1013015B (en)
LU (1) LU64366A1 (en)
NL (1) NL7116089A (en)
ZA (1) ZA717378B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4423283A1 (en) * 1994-07-05 1996-01-11 Linpac Technologie Gmbh Fluid-absorbing foam material mfr., used in packaging,
JP3439856B2 (en) * 1994-11-17 2003-08-25 信越ポリマー株式会社 Method for producing plugs for culture and breeding containers
US20070051636A1 (en) * 2005-09-07 2007-03-08 Inco Limited Process for producing metal foams having uniform cell structure

Also Published As

Publication number Publication date
ZA717378B (en) 1972-07-26
IT1013015B (en) 1977-03-30
ES397557A1 (en) 1975-04-16
FR2116447A6 (en) 1972-07-13
AU3628671A (en) 1973-06-07
GB1330980A (en) 1973-09-19
NL7116089A (en) 1972-06-05
LU64366A1 (en) 1972-06-19
BE776128R (en) 1972-04-04
DE2159656A1 (en) 1972-06-15

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