IT7829189A0 - Procedimento e dispositivo per lapreparazione continua di materiale espanso a forma di blocco. - Google Patents

Procedimento e dispositivo per lapreparazione continua di materiale espanso a forma di blocco.

Info

Publication number
IT7829189A0
IT7829189A0 IT7829189A IT2918978A IT7829189A0 IT 7829189 A0 IT7829189 A0 IT 7829189A0 IT 7829189 A IT7829189 A IT 7829189A IT 2918978 A IT2918978 A IT 2918978A IT 7829189 A0 IT7829189 A0 IT 7829189A0
Authority
IT
Italy
Prior art keywords
procedure
block
expanded material
continuous preparation
shaped expanded
Prior art date
Application number
IT7829189A
Other languages
English (en)
Original Assignee
Hennecke Gmbh Bayer Aktiengese
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 Hennecke Gmbh Bayer Aktiengese filed Critical Hennecke Gmbh Bayer Aktiengese
Publication of IT7829189A0 publication Critical patent/IT7829189A0/it

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Molding Of Porous Articles (AREA)
IT7829189A 1977-10-29 1978-10-27 Procedimento e dispositivo per lapreparazione continua di materiale espanso a forma di blocco. IT7829189A0 (it)

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
IT7829189A0 true IT7829189A0 (it) 1978-10-27

Family

ID=6022677

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7829189A IT7829189A0 (it) 1977-10-29 1978-10-27 Procedimento e dispositivo per lapreparazione continua di materiale espanso a forma di blocco.

Country Status (6)

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

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
AU1255792A (en) * 1991-02-01 1992-09-07 Glascrete, Inc. Method and apparatus for production of reinforced cementitious panels
US5350554A (en) * 1991-02-01 1994-09-27 Glascrete, Inc. Method 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
EP1205290B1 (de) * 2000-11-08 2005-08-10 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 (it) * 1967-05-18 1971-04-28
NO131636C (it) * 1970-09-01 1975-07-02 Unifoam Ag
DE2344963A1 (de) * 1972-09-11 1974-05-02 Unifoam Ag Vorrichtung zur kontinuierlichen herstellung von polymerschaumstraengen
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
US4200603A (en) 1980-04-29
DE2748733A1 (de) 1979-05-10
EP0001772A1 (de) 1979-05-16
ES474609A1 (es) 1979-04-01
JPS5471169A (en) 1979-06-07

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