CA943726A - Method of manufacturing objects containing a cavity filled with a rigid foam of polyurethane and a polyurethane foam for use in the method - Google Patents

Method of manufacturing objects containing a cavity filled with a rigid foam of polyurethane and a polyurethane foam for use in the method

Info

Publication number
CA943726A
CA943726A CA115,684A CA115684A CA943726A CA 943726 A CA943726 A CA 943726A CA 115684 A CA115684 A CA 115684A CA 943726 A CA943726 A CA 943726A
Authority
CA
Canada
Prior art keywords
polyurethane
foam
cavity filled
objects containing
manufacturing objects
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
CA115,684A
Other languages
English (en)
Other versions
CA115684S (en
Inventor
Hilmar F. Drostholm
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA943726A publication Critical patent/CA943726A/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
    • B29C44/36—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
    • B29C44/461—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length dispensing apparatus, e.g. dispensing foaming resin over the whole width of the moving surface
    • 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
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/18—Filling preformed cavities
    • B29C44/182—Filling flexible bags not having a particular shape
    • B29C44/184—Filling flexible bags not having a particular shape and inserting the bags into preformed cavities
    • B29C44/185—Starting the expansion after rupturing or dissolving the bag
    • 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
    • B29C44/5618—Impregnating foam articles
    • 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
    • C08J9/40—Impregnation
    • 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
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • 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
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49863—Assembling or joining with prestressing of part
    • Y10T29/4987—Elastic joining of parts
    • Y10T29/49872—Confining elastic part in socket
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/20—Patched hole or depression
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249994—Composite having a component wherein a constituent is liquid or is contained within preformed walls [e.g., impregnant-filled, previously void containing component, etc.]
    • Y10T428/249995—Constituent is in liquid form

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (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)
  • Polyurethanes Or Polyureas (AREA)
  • Laminated Bodies (AREA)
CA115,684A 1970-06-24 1971-06-15 Method of manufacturing objects containing a cavity filled with a rigid foam of polyurethane and a polyurethane foam for use in the method Expired CA943726A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK327670A DK130647B (da) 1970-06-24 1970-06-24 Fremgangsmåde til isolering og/eller afstivning af genstande indeholdende et hulrum under anvendelse af stift polyuretanskum og polyuretanskum til brug ved fremgangsmåden.

Publications (1)

Publication Number Publication Date
CA943726A true CA943726A (en) 1974-03-19

Family

ID=8121091

Family Applications (1)

Application Number Title Priority Date Filing Date
CA115,684A Expired CA943726A (en) 1970-06-24 1971-06-15 Method of manufacturing objects containing a cavity filled with a rigid foam of polyurethane and a polyurethane foam for use in the method

Country Status (7)

Country Link
US (1) US3867492A (fi)
CA (1) CA943726A (fi)
DE (1) DE2131206A1 (fi)
DK (1) DK130647B (fi)
FI (1) FI53796C (fi)
FR (1) FR2094056B1 (fi)
GB (1) GB1318831A (fi)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4092387A (en) * 1973-06-18 1978-05-30 Saab-Scania Ab Process for the production of articles of cellular plastic provided with a covering of another material
US4030178A (en) * 1974-08-06 1977-06-21 Fiat-Allis Construction Machinery, Inc. Method of manufacturing track roller with open cell plastic foam in lubrication cavity
FR2300105A1 (fr) * 1975-02-05 1976-09-03 Roth Jacques Procede de fabrication de panneaux en f
FR2503721B1 (fr) * 1981-04-14 1985-11-15 Nobel Bozel Procede de fabrication d'elements legers, isolants, souples, rigides ou semi-rigides du type panneaux ou pieces de formes et d'epaisseurs variables et elements resultant de ce procede
US4691463A (en) * 1982-07-12 1987-09-08 Dekezel James A Buoyant water fowl decoy and method for making same
DE3402696A1 (de) * 1984-01-26 1985-08-01 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von schaumstoffhaltigen polyurethan(harnstoff)-massen, schaumstoffhaltige polyurethan(harnstoff)-massen und ihre verwendung
US4549823A (en) * 1984-05-29 1985-10-29 Caterpillar Tractor Co. Bearing race retention device and method
DE3526185A1 (de) * 1985-07-23 1987-02-05 Bayer Ag Verfahren zur herstellung fuellstoffhaltiger, anionisch modifizierter polyurethan(harnstoff)-massen, entsprechende polyurethan(harnstoff)-massen und ihre verwendung
US4793162A (en) * 1986-08-07 1988-12-27 Spt, Inc. Method for repairing failed waterstops and products relating to same
JP2543970Y2 (ja) * 1991-06-24 1997-08-13 株式会社ブリヂストン ウレタンフォ−ム充填容器
EP0790276A3 (de) * 1996-02-14 1998-05-13 Basf Aktiengesellschaft Verfahren zur Herstellung von flächigen Polyurethan-Formteilen
US6470621B2 (en) * 2000-07-13 2002-10-29 Ssdw, Llc Molded duck decoy
DE10350238A1 (de) * 2003-10-27 2005-05-19 Basf Ag Verbundelemente
US7461560B2 (en) * 2005-03-28 2008-12-09 Microstrain, Inc. Strain gauge with moisture barrier and self-testing circuit
DE102004030925A1 (de) * 2004-06-25 2006-01-12 Basf Ag Poröses Trägermaterial enthaltend Isocyanat
KR20100010598A (ko) * 2008-07-23 2010-02-02 삼성전자주식회사 화상형성장치용 일체형 실링 부재 및 이를 형성하는 방법
JP6092864B2 (ja) 2011-07-26 2017-03-08 ダウ グローバル テクノロジーズ エルエルシー 空洞をポリマーフォームで満たす方法
EP3725826A1 (de) * 2019-04-16 2020-10-21 Henkel AG & Co. KGaA Pumpbare thermisch härt- und expandierbare zubereitungen

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2921866A (en) * 1956-10-09 1960-01-19 Christopher L Wilson Process for improving the color stability of polyurethane cellular products
US3114722A (en) * 1958-08-07 1963-12-17 Stauffer Hewitt Inc Preparation of a composition containing expanded polymeric materials
US3246443A (en) * 1961-09-07 1966-04-19 Gen Tire & Rubber Co Foam cushion material packaging
US3260618A (en) * 1961-12-13 1966-07-12 Walker Mfg Co Polyurethane foam product and method of making same
US3307318A (en) * 1964-02-27 1967-03-07 Dow Chemical Co Foam plastic filler method
US3310615A (en) * 1964-04-30 1967-03-21 Richard B Bender Method for plugging pipe
US3298857A (en) * 1964-11-30 1967-01-17 Hoover Ball & Bearing Co Method of stiffening polyurethane foams
US3401128A (en) * 1965-02-08 1968-09-10 Hoover Ball & Bearing Co Polyurethane foam product and method of making same
US3353869A (en) * 1965-08-12 1967-11-21 Eaton Yale & Towne Load supporting structures
US3419134A (en) * 1966-07-08 1968-12-31 Martin E. Fitts Foamable package and method for forming cellular foam
US3503177A (en) * 1967-02-13 1970-03-31 Dow Chemical Co Method of packaging articles
US3527852A (en) * 1968-04-10 1970-09-08 Biwax Corp Resinous foam with integral skin and process of making the same
US3546841A (en) * 1968-12-26 1970-12-15 Home Comfort Products Co Fabricated doors,panels and the like
US3794549A (en) * 1972-08-09 1974-02-26 Chemiefac Gmbh Foam sealing material with removable wrapping

Also Published As

Publication number Publication date
GB1318831A (en) 1973-05-31
US3867492A (en) 1975-02-18
DK130647B (da) 1975-03-17
FR2094056B1 (fi) 1975-02-21
FR2094056A1 (fi) 1972-02-04
FI53796C (fi) 1978-08-10
FI53796B (fi) 1978-05-02
DK130647C (fi) 1975-08-25
DE2131206A1 (de) 1971-12-30

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