CA1176416A - Production of foams - Google Patents

Production of foams

Info

Publication number
CA1176416A
CA1176416A CA000396237A CA396237A CA1176416A CA 1176416 A CA1176416 A CA 1176416A CA 000396237 A CA000396237 A CA 000396237A CA 396237 A CA396237 A CA 396237A CA 1176416 A CA1176416 A CA 1176416A
Authority
CA
Canada
Prior art keywords
walls
enclosure
foam
expansion
path
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
CA000396237A
Other languages
English (en)
French (fr)
Inventor
Anthony C.M. Griffiths
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.)
Foamex LP
Original Assignee
Hyman International Ltd
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 Hyman International Ltd filed Critical Hyman International Ltd
Application granted granted Critical
Publication of CA1176416A publication Critical patent/CA1176416A/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
    • 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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/203—Expanding the moulding material in a vertical channel
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/13—Cell size and distribution control while molding a foam
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/84—Conversion of foamed resinous buns into foamed billets having geo metrical crosssections

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Laminated Bodies (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Adornments (AREA)
CA000396237A 1981-02-18 1982-02-15 Production of foams Expired CA1176416A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8105078 1981-02-18
GB8105078 1981-02-18

Publications (1)

Publication Number Publication Date
CA1176416A true CA1176416A (en) 1984-10-23

Family

ID=10519783

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000396237A Expired CA1176416A (en) 1981-02-18 1982-02-15 Production of foams

Country Status (20)

Country Link
US (1) US4504429A (enExample)
EP (1) EP0058553B1 (enExample)
JP (1) JPS58500057A (enExample)
KR (1) KR870000089B1 (enExample)
AT (1) ATE13992T1 (enExample)
AU (1) AU550200B2 (enExample)
BR (1) BR8206162A (enExample)
CA (1) CA1176416A (enExample)
DE (1) DE3264357D1 (enExample)
DK (1) DK152183C (enExample)
ES (1) ES8304476A1 (enExample)
FI (1) FI78260C (enExample)
GR (1) GR75854B (enExample)
IE (1) IE52288B1 (enExample)
IL (1) IL65003A (enExample)
NO (1) NO823451L (enExample)
NZ (1) NZ199749A (enExample)
PT (1) PT74446B (enExample)
WO (1) WO1982002851A1 (enExample)
ZA (1) ZA82987B (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE54914B1 (en) * 1983-01-21 1990-03-14 Hyman Int Ltd Production of foams
GB8404860D0 (en) * 1984-02-24 1984-03-28 Bp Chem Int Ltd Preparation of phenolic foam
GB8500053D0 (en) * 1985-01-03 1985-02-13 Hyman Int Ltd Foam production
FR2584019B1 (fr) * 1985-06-28 1987-09-18 Poncet Jean Dispositif pour realiser des blocs de mousse de polymeres
GB8912701D0 (en) * 1989-06-02 1989-07-19 Hyman Int Ltd Production of porous materials
US5702652A (en) * 1990-05-31 1997-12-30 Crain Industries, Inc. Controlled cooling of porous materials
JP2994502B2 (ja) * 1991-09-21 1999-12-27 新日本製鐵株式会社 成形体連続的製造装置並びに製造方法
US5188792A (en) * 1992-02-10 1993-02-23 Trinity American Corp. Post treatment of polyurethane foam
US5665287A (en) * 1993-07-14 1997-09-09 Foaming Technologies Cardio Bv Froth process for continous manufacture of polyurethane foam slab-stocks
IT1270979B (it) * 1993-09-30 1997-05-26 Afros Spa Procedimento e apparecchiatura per la produzione in continuo di schiume poliuretaniche in blocchi
NO309077B1 (no) * 1993-07-14 2000-12-11 Foaming Techn Cardio Bv FremgangsmÕte og system for kontinuerlig tilvirkning av polyuretanskumblokker
GB0019507D0 (en) 2000-08-08 2000-09-27 Cannon Viking Limited Foam plastics method and machine
BRPI0607377A2 (pt) * 2005-02-25 2010-03-23 Nova Chem Inc composiÇço de cimento de baixo peso, leito de estrada, artigo de construÇço painel compàsito, estrutura de concreto isolada, mÉtodo de fabricar um artigo de composiÇço de cimento de baixo peso, artigo de concreto de baixo peso e unidade estrutural de baixo peso
US8752348B2 (en) 2005-02-25 2014-06-17 Syntheon Inc. Composite pre-formed construction articles
US8726594B2 (en) * 2005-02-25 2014-05-20 Syntheon Inc. Composite pre-formed building panels
AU2006226764B2 (en) * 2005-03-22 2010-06-24 Nova Chemicals, Inc. Lightweight concrete compositions
US7677009B2 (en) * 2007-02-02 2010-03-16 Nova Chemicals Inc. Roof truss system
US8048219B2 (en) * 2007-09-20 2011-11-01 Nova Chemicals Inc. Method of placing concrete
US20090078161A1 (en) * 2007-09-20 2009-03-26 Nova Chemicals Inc. Methods of minimizing concrete cracking and shrinkage
DE102008007078B3 (de) * 2008-01-31 2009-05-28 Bayer Materialscience Ag Verfahren und Vorrichtung zur Herstellung von Blockschaumstoff
DE102008007079B4 (de) * 2008-01-31 2011-05-26 Bayer Materialscience Ag Behälter zur diskontinuierlichen Herstellung von geschäumtem Material

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE584255A (enExample) * 1958-07-11
GB999715A (en) * 1963-05-03 1965-07-28 Bayer Ag A process for the manufacture of moulded elements from foam plastics
FR1524032A (fr) * 1963-05-03 1968-05-10 Bayer Ag Procédé de fabrication de pièces moulées en matières synthétiques à l'état de mousse
DE1504091A1 (de) * 1963-07-24 1969-07-03 Continental Gummi Werke Ag Vorrichtung und Verfahren zur Herstellung von Kunststoffschaeumen auf der Basis von Polyurethanen in Blockform
US3660548A (en) * 1963-11-06 1972-05-02 Toyo Tire & Rubber Co Method for continuously producing foamed panels having uniform properties
US3325823A (en) * 1964-03-16 1967-06-13 Reeves Bros Inc Manufacture of foam material
GB1210513A (en) * 1967-04-05 1970-10-28 Ici Ltd Continuous foam casting process
US3584108A (en) * 1967-10-10 1971-06-08 Fmc Corp Oriented,foamed articles and method and apparatus for making the same
DE1956419A1 (de) * 1968-11-23 1970-06-11 Luigi Tomasoni Verfahren und Vorrichtung zum Herstellen von expandiertem plastischem Material oder Kunststoffmaterial
NO131636C (enExample) * 1970-09-01 1975-07-02 Unifoam Ag
IT998552B (it) * 1972-09-11 1976-02-20 Unifoam Ag Apparecchio per la produzione in continuo di strisce di schiuma polimerica
DE2552361A1 (de) * 1974-12-09 1976-06-10 Semperit Gmbh Vorrichtung zum kontinuierlichen herstellen eines schaumstoffstranges
US4026979A (en) * 1975-02-26 1977-05-31 Policastilla, S/A Continuous producton of expanded cellular material of circular cross section
US3971112A (en) * 1975-09-22 1976-07-27 Ford Motor Company Method of making a covered article
US4093109A (en) * 1976-09-20 1978-06-06 Schrader Milford J Expansible trough apparatus for use in producing polyurethane foam
US4069285A (en) * 1976-10-27 1978-01-17 United Foam Corporation Method and apparatus for making flat top buns
GB1594539A (en) * 1978-05-19 1981-07-30 Walmsley G Foam manufacture

Also Published As

Publication number Publication date
ES509677A0 (es) 1983-03-01
ES8304476A1 (es) 1983-03-01
PT74446A (en) 1982-03-01
AU550200B2 (en) 1986-03-06
NO823451L (no) 1982-10-15
PT74446B (en) 1983-09-27
EP0058553B1 (en) 1985-06-26
US4504429A (en) 1985-03-12
DK152183B (da) 1988-02-08
FI823520A0 (fi) 1982-10-15
ZA82987B (en) 1983-01-26
IE820293L (en) 1982-08-18
DK448882A (da) 1982-10-11
KR870000089B1 (ko) 1987-02-10
JPS625774B2 (enExample) 1987-02-06
IE52288B1 (en) 1987-09-02
KR830008824A (ko) 1983-12-16
JPS58500057A (ja) 1983-01-13
FI823520L (fi) 1982-10-15
DE3264357D1 (en) 1985-08-01
ATE13992T1 (de) 1985-07-15
IL65003A (en) 1986-02-28
NZ199749A (en) 1985-08-16
BR8206162A (pt) 1983-01-11
AU8089982A (en) 1982-09-14
FI78260C (fi) 1989-07-10
FI78260B (fi) 1989-03-31
DK152183C (da) 1988-08-01
WO1982002851A1 (en) 1982-09-02
EP0058553A1 (en) 1982-08-25
GR75854B (enExample) 1984-08-02

Similar Documents

Publication Publication Date Title
AU550200B2 (en) Production of foams
US4567008A (en) Production of foams
US3325823A (en) Manufacture of foam material
EP0645226B1 (en) Froth process and system for continuous manufacture of polyurethane foam slab-stocks
EP1328388B1 (en) Foam plastics manufacturing method and machine
JP3977990B2 (ja) 紐状樹脂成形体の製造方法及び装置
EP1026194A2 (en) Partially perforated foam
JP3425273B2 (ja) フォーム材ブロックもしくはフォーム材ウェブを連続製造するための方法および装置
CA1059712A (en) Apparatus for the continuous production of foam plastic blocks of rectangular cross-section
AU609736B2 (en) Process and apparatus for producing extruded thermoplastic foam bodies
US3660548A (en) Method for continuously producing foamed panels having uniform properties
US4005958A (en) Apparatus for continuous production of rectangular cross-sectioned foamed plastic bunstock
CA1098669A (en) Method and apparatus for making foam
CA1222855A (en) Production of foams
WO1992000184A1 (en) Manufacture of polymeric foam
AU563188B2 (en) Continuously moulding cylindrical blocks of foamed polymeric material
WO2000047384A2 (en) Method and apparatus for the production of skinless flexible polyurethane foam
JP4150149B2 (ja) 紐状樹脂発泡体の製造方法並びに装置
CN1139612A (zh) 垂直生成发泡聚氨酯块料的方法和设备
GB1593302A (en) Method for continuous production of slabs of polyurethane foam
SU668615A3 (ru) Способ получени пенополиуретанов
GB2030066A (en) Casting foam plastics material
JPS59138424A (ja) 発泡体の製造

Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry
MKEX Expiry

Effective date: 20020215