SHEET TYPE COMPOSITE MATERIAL AND METHOD AND APPARATUS FOR MANUFACTURING THE SAME

A compound material of the type of corugated carrdboard has at least one web in corrugated for an another as a flat web, both joined at the lines of mutual contact. At least one of the webs is made of metal foil. The corrugations can be replaced by truncvated cone bosses. Pref. a first web is heated...

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Bibliographische Detailangaben
1. Verfasser: SCHERTLER, MANFRED K
Format: Patent
Sprache:eng
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Zusammenfassung:A compound material of the type of corugated carrdboard has at least one web in corrugated for an another as a flat web, both joined at the lines of mutual contact. At least one of the webs is made of metal foil. The corrugations can be replaced by truncvated cone bosses. Pref. a first web is heated by an infrared radiator or hot air before it is passed through profiled rollers. An applicator coats the crests of the profiles with an adhesive hot melt polyamide or 2 components from the container. A second web which is flat is urged by a thrist roller against the crests of the first web, followed by a cooled roller. The discharge table is fitted with another cooling device.