CH489563A - Process for producing a self-inflating body composed of ultra-microcells - Google Patents

Process for producing a self-inflating body composed of ultra-microcells

Info

Publication number
CH489563A
CH489563A CH207866A CH207866A CH489563A CH 489563 A CH489563 A CH 489563A CH 207866 A CH207866 A CH 207866A CH 207866 A CH207866 A CH 207866A CH 489563 A CH489563 A CH 489563A
Authority
CH
Switzerland
Prior art keywords
microcells
ultra
self
producing
body composed
Prior art date
Application number
CH207866A
Other languages
German (de)
Inventor
Guy Parrish Robert
Baldwin Moody Frank
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of CH489563A publication Critical patent/CH489563A/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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • 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
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • 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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/91—Plural blowing agents for producing nonpolyurethane cellular products

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Prostheses (AREA)
CH207866A 1963-08-16 1966-02-14 Process for producing a self-inflating body composed of ultra-microcells CH489563A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US30272063A 1963-08-16 1963-08-16
US302495A US3344221A (en) 1963-08-16 1963-08-16 Method for inflating or deflating closed cell foams

Publications (1)

Publication Number Publication Date
CH489563A true CH489563A (en) 1970-04-30

Family

ID=26972957

Family Applications (1)

Application Number Title Priority Date Filing Date
CH207866A CH489563A (en) 1963-08-16 1966-02-14 Process for producing a self-inflating body composed of ultra-microcells

Country Status (6)

Country Link
US (1) US3344221A (en)
BE (1) BE682064A (en)
CH (1) CH489563A (en)
DE (1) DE1504716C3 (en)
LU (1) LU46773A1 (en)
NL (1) NL6601868A (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3505248A (en) * 1964-11-16 1970-04-07 Dow Chemical Co Process for producing expandable styrene polymer particles
US3505249A (en) * 1964-11-16 1970-04-07 Dow Chemical Co Fabricating expandable thermoplastic resinous material
US3389446A (en) * 1966-01-25 1968-06-25 Du Pont Process for producing foam fabrics
US3381077A (en) * 1966-01-26 1968-04-30 Du Pont Method for inflating closed cell foams
US3461026A (en) * 1966-06-23 1969-08-12 Du Pont Laminated fibrous batt
US3485711A (en) * 1966-06-23 1969-12-23 Du Pont Low-density web-like cushioning structure of cellular filamentary material
US3535181A (en) * 1966-12-28 1970-10-20 Du Pont Process for making consolidated batts of microcellular filamentary material
US3508991A (en) * 1966-12-28 1970-04-28 Du Pont Process of making bonded batts of microcellular filaments
US3471610A (en) * 1967-02-20 1969-10-07 Du Pont Process for making a firm cushioning structure
US3503840A (en) * 1968-04-24 1970-03-31 Du Pont Composite cellular cushioning structures
US3607596A (en) * 1968-07-10 1971-09-21 Fmc Corp Cellular article
US4351911A (en) * 1973-07-02 1982-09-28 General Electric Company Foamable polyester composition
US3900433A (en) * 1973-12-17 1975-08-19 Allied Chem Expandable polystyrene beads
US3914191A (en) * 1974-07-31 1975-10-21 Union Carbide Corp Methyl format E-trichloromonofluoromethane blowing agent for polystyrene
US4179540A (en) * 1974-12-23 1979-12-18 Union Carbide Corporation Fabrication of foamed articles
US4183156A (en) * 1977-01-14 1980-01-15 Robert C. Bogert Insole construction for articles of footwear
JPS5910902B2 (en) * 1977-10-20 1984-03-12 マリオン・エフ・ルデイ Elastomeric cushion devices for products and objects
JPS5531482A (en) * 1978-05-05 1980-03-05 Rudy Marion F Selffexpansion device
US4219945B1 (en) * 1978-06-26 1993-10-19 Robert C. Bogert Footwear
US4360484A (en) * 1981-04-03 1982-11-23 The Dow Chemical Company Pressurization and storage of thermoplastic resin foams prior to secondary expansion
WO1989000918A2 (en) * 1987-07-29 1989-02-09 Massachusetts Institute Of Technology A method of producing microcellular foams and microcellular foams of semi-crystalline polymeric materials
US5160674A (en) * 1987-07-29 1992-11-03 Massachusetts Institute Of Technology Microcellular foams of semi-crystaline polymeric materials
EP0521877A1 (en) * 1990-03-23 1993-01-13 E.I. Du Pont De Nemours And Company Polymer foams containing gas barrier resins
US20070105970A1 (en) * 2005-11-10 2007-05-10 Kenneth Warnshuis Energy absorbing flexible foam
US20070105969A1 (en) * 2005-11-10 2007-05-10 Kenneth Warnshuis Multi-density flexible foam

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2659935A (en) * 1950-03-18 1953-11-24 Christopher L Wilson Method of making compressed sponges
US2746088A (en) * 1951-11-10 1956-05-22 Lindemann Herbert Cellular thermoplastic bodies
US2795008A (en) * 1952-11-04 1957-06-11 Lonza Ag Method of producing cellular resin bodies
GB891943A (en) * 1957-06-11
NL264938A (en) * 1961-05-18
US3227664A (en) * 1961-12-07 1966-01-04 Du Pont Ultramicrocellular structures of crystalline organic polymer
GB981583A (en) * 1962-03-14 1965-01-27 Lonza Ag Foamed vinyl chloride polymeric materials
US3202998A (en) * 1962-05-16 1965-08-24 Edward L Hoffman Flexible foam erectable space structures
US3189669A (en) * 1962-11-01 1965-06-15 Goldfein Solomon Process for shipping flexible polyurethane foam

Also Published As

Publication number Publication date
BE682064A (en) 1966-11-14
DE1504716C3 (en) 1975-11-20
DE1504716B2 (en) 1972-02-10
NL6601868A (en) 1967-08-15
DE1504716A1 (en) 1969-09-25
LU46773A1 (en) 1966-02-14
US3344221A (en) 1967-09-26

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Legal Events

Date Code Title Description
PL Patent ceased