Process and apparatus for the foaming and fixing of the adhering or fleeced strip of a touch-and-closed strip into a moulded foam part

For the foaming and fixing of a touch-and-closed strip in a moulded foam part, in particular of polyurethane foam, it is provided according to the invention that the touch-and-closed strip part is fastened on a nonwoven with edge-projection walls on both sides and is subsequently folded in the shape...

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Bibliographische Detailangaben
Hauptverfasser:	RIEMHOFER, FRANZ. DR., 8940 MEMMINGEN, DE, DIETRICH, FRIEDRICH, 7951 BERKHEIM, DE
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE HABERDASHERY HUMAN NECESSITIES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS JEWELLERY 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
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Beschreibung
Zusammenfassung:	For the foaming and fixing of a touch-and-closed strip in a moulded foam part, in particular of polyurethane foam, it is provided according to the invention that the touch-and-closed strip part is fastened on a nonwoven with edge-projection walls on both sides and is subsequently folded in the shape of a U and placed with its adhering side downwards into a groove-shaped mounting in the wall of the foaming mould in such a way that on the rear side the bent-off edges of the nonwoven protrude along the side walls of the mounting and freely inwards into the mould cavity receiving the expanding foam reaction mixture.