Use of a single-sided self-adhesive tape as venting tape

The use of adhesive tape (A), finished on one side with pressure-sensitive adhesive, is claimed as a deaerating tape, to be adhered over an opening in an enclosed chamber in which the air pressure is higher than that in the surrounding environment, where (i) (A) consists of a carrier with a hot melt...

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Bibliographische Detailangaben
1. Verfasser:	KOLMORGEN FRANK,QUEDNAU TORBEN
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY DYES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS PERFORMING OPERATIONS POLISHES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING USE OF MATERIALS AS ADHESIVES WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The use of adhesive tape (A), finished on one side with pressure-sensitive adhesive, is claimed as a deaerating tape, to be adhered over an opening in an enclosed chamber in which the air pressure is higher than that in the surrounding environment, where (i) (A) consists of a carrier with a hot melt adhesive mass applied on one side, (ii) the air permeability is more than 30 cm 3>/(cm 2>.s) at the carrier side, (iii) (A) is perforated with hot needles (preferably on a needled roller) and (iv) the number of holes is at least 5 per sq. cm.