HOLLOW SECTION PROFILE WITH A POLYURETHANE FOAM REINFORCEMENT AND METHOD FOR PRODUCING THE SAME
The invention relates to hollow section profiles (1) with a polyurethane foam reinforcement (2). Said profiles are especially produced by applying a liquid reaction mixture (15) on a support material insert (3) while said support material insert (3), together with the reaction mixture (15), is drawn...
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Main Authors | , |
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Format | Patent |
Language | English Polish |
Published |
29.12.2003
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Abstract | The invention relates to hollow section profiles (1) with a polyurethane foam reinforcement (2). Said profiles are especially produced by applying a liquid reaction mixture (15) on a support material insert (3) while said support material insert (3), together with the reaction mixture (15), is drawn into the hollow section profile (1) at a constant speed. The support material insert (3) used has a retarded permeability for the reaction mixture (15), the retardation period lasting from the time of application of the reaction mixture (15) to the insertion of the hollow section profile (1), and the support material insert (3) then turning permeable to the reaction mixture (15). The foamed material (2) produced is characterized by an excellent adherence to the inner walls (4) of the hollow section profile (1) across the entire profile cross-section. |
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AbstractList | The invention relates to hollow section profiles (1) with a polyurethane foam reinforcement (2). Said profiles are especially produced by applying a liquid reaction mixture (15) on a support material insert (3) while said support material insert (3), together with the reaction mixture (15), is drawn into the hollow section profile (1) at a constant speed. The support material insert (3) used has a retarded permeability for the reaction mixture (15), the retardation period lasting from the time of application of the reaction mixture (15) to the insertion of the hollow section profile (1), and the support material insert (3) then turning permeable to the reaction mixture (15). The foamed material (2) produced is characterized by an excellent adherence to the inner walls (4) of the hollow section profile (1) across the entire profile cross-section. |
Author | KREUER KARL-DIETER ORYWOL PETER |
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DocumentTitleAlternate | Profil wydrążony ze wzmocnieniem z piany poliuretaProfil wydrążony ze wzmocnieniem z piany poliuretanowej i sposób wytwarzania profilu wydrążonego zenowej i sposób wytwarzania profilu wydrążonego zewzmocnieniem z piany poliuretanowejwzmocnieniem z piany poliuretanowej |
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Snippet | The invention relates to hollow section profiles (1) with a polyurethane foam reinforcement (2). Said profiles are especially produced by applying a liquid... |
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SubjectTerms | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
Title | HOLLOW SECTION PROFILE WITH A POLYURETHANE FOAM REINFORCEMENT AND METHOD FOR PRODUCING THE SAME |
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