ES474609A1 - Procedimiento y dispositivo para la fabricacion continua de material espumado. - Google Patents

Procedimiento y dispositivo para la fabricacion continua de material espumado.

Info

Publication number
ES474609A1
ES474609A1 ES474609A ES474609A ES474609A1 ES 474609 A1 ES474609 A1 ES 474609A1 ES 474609 A ES474609 A ES 474609A ES 474609 A ES474609 A ES 474609A ES 474609 A1 ES474609 A1 ES 474609A1
Authority
ES
Spain
Prior art keywords
continuous production
foamed slabs
slabs
foamed
foam
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
ES474609A
Other languages
English (en)
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.)
Maschinenfabrik Hennecke GmbH
Bayer AG
Hennecke GmbH
Original Assignee
Maschinenfabrik Hennecke GmbH
Bayer AG
Hennecke GmbH
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 Maschinenfabrik Hennecke GmbH, Bayer AG, Hennecke GmbH filed Critical Maschinenfabrik Hennecke GmbH
Publication of ES474609A1 publication Critical patent/ES474609A1/es
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
    • B29C44/3415—Heating or cooling
    • 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
    • Y10S264/14—Plastic and nonmetallic article shaping or treating: processes forming integral skin on a foamed product
    • 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
    • Y10S264/65—Processes of preheating prior to molding
    • 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)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Molding Of Porous Articles (AREA)

Abstract

Procedimiento y dispositivo para la fabricación continua de material espumado, en forma de bloque, especialmente a base de poliuretano, donde una mezcla de reacción líquida se aplica sobre una lámina de fondo en translación, sobre la cual espuma, cuyo procedimiento se caracteriza porque la lámina de fondo se calienta previamente antes de la aplicación de la mezcla de reacción.
ES474609A 1977-10-29 1978-10-27 Procedimiento y dispositivo para la fabricacion continua de material espumado. Expired ES474609A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772748733 DE2748733A1 (de) 1977-10-29 1977-10-29 Verfahren und einrichtung zum kontinuierlichen herstellen von blockfoermigem schaumstoff

Publications (1)

Publication Number Publication Date
ES474609A1 true ES474609A1 (es) 1979-04-01

Family

ID=6022677

Family Applications (1)

Application Number Title Priority Date Filing Date
ES474609A Expired ES474609A1 (es) 1977-10-29 1978-10-27 Procedimiento y dispositivo para la fabricacion continua de material espumado.

Country Status (6)

Country Link
US (1) US4200603A (es)
EP (1) EP0001772A1 (es)
JP (1) JPS5471169A (es)
DE (1) DE2748733A1 (es)
ES (1) ES474609A1 (es)
IT (1) IT7829189A0 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI783792A (fi) * 1978-01-18 1979-07-19 Tecfoam Sa Foerfarande foer eliminering av en foertaetning av bottenpartiet vid framstaellning av polyuretanskumblock
US5350554A (en) * 1991-02-01 1994-09-27 Glascrete, Inc. Method for production of reinforced cementitious panels
AU1255792A (en) * 1991-02-01 1992-09-07 Glascrete, Inc. Method and apparatus for production of reinforced cementitious panels
US5409649A (en) * 1992-07-22 1995-04-25 L&P Property Management Company Method of forming foam buns having no skin on a surface
DE19539072C1 (de) * 1995-10-20 1997-06-12 Hennecke Gmbh Maschf Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Polyurethanblockschaum
US6234777B1 (en) * 1998-10-07 2001-05-22 Carpenter Co. Automated cushion forming system
DE50107027D1 (de) * 2000-11-08 2005-09-15 Hennecke Gmbh Verfahren und Vorrichtung zum kontinuierlichen Herstellen von Blockschaum
DE102006050799A1 (de) * 2006-10-27 2008-05-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum Randschichthärten formkomplizierter Bauteile
US8789967B2 (en) 2011-06-02 2014-07-29 Musco Corporation Apparatus, method, and system for independent aiming and cutoff steps in illuminating a target area
US10189964B2 (en) 2015-06-08 2019-01-29 Covestro Llc Methods for preparing open-celled polyurethane foams, systems for use therein, and open-celled polyurethane foams produced thereby

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3047449A (en) * 1958-01-16 1962-07-31 Du Pont Process for preparing a thin cellular polyurethane layer of uniform thickness
US2957207A (en) * 1958-08-28 1960-10-25 B B Chem Co Manufacture of thin sheet foam
US3129270A (en) * 1962-04-05 1964-04-14 Davidson Rubber Company Inc Method of molding polyurethane foam articles having improved surface characteristics
US3124627A (en) * 1963-03-18 1964-03-10 Slotted
GB1230073A (es) * 1967-05-18 1971-04-28
NO131636C (es) * 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
ES423754A1 (es) * 1974-02-28 1976-05-01 Policastilla Nuevo procedimiento para la fabricacion de un bloque de ma-terial celular expandido con seccion circular y diametro va-riable.
US4026979A (en) * 1975-02-26 1977-05-31 Policastilla, S/A Continuous producton of expanded cellular material of circular cross section
US4080125A (en) * 1975-09-16 1978-03-21 Policastilla, S.A. Device for the stepless manufacture of expanded cellular material blocks with a circular cross-section
ES215157Y (es) * 1975-09-16 1976-12-01 Policastilla, S. A. Dispositivo perfeccionado para la fabricacion continua de bloques de material celular expandido con seccion circular.
ES448190A1 (es) * 1976-05-24 1977-08-01 Roday Espumaciones Ind Procedimiento para reducir al minimo la densificacion de laszonas perifericas de bloques de espuma flexible de poliure- tano.

Also Published As

Publication number Publication date
EP0001772A1 (de) 1979-05-16
JPS5471169A (en) 1979-06-07
US4200603A (en) 1980-04-29
IT7829189A0 (it) 1978-10-27
DE2748733A1 (de) 1979-05-10

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