METHODS OF MANUFACTURING NESTED BALLOONS UTILIZING PRESSURIZED CONSTRAINED ANNEALING

A nested balloon is provided where each balloon is formed from tubing that optimizes the inner wall stretch thus providing maximum balloon strength. The high pressure, nested balloon is provided with layers that allow for slipping, such that the balloon has a very high pressure rating and toughness,...

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Bibliographische Detailangaben
Hauptverfasser:	TONGE, MATTHEW F, HERRERA, KEVIN JUSTIN, MABRY, ERIC, NGOU, DON
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY DISINFECTION, STERILISATION, OR DEODORISATION OF AIR HUMAN NECESSITIES HYGIENE MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL 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:	A nested balloon is provided where each balloon is formed from tubing that optimizes the inner wall stretch thus providing maximum balloon strength. The high pressure, nested balloon is provided with layers that allow for slipping, such that the balloon has a very high pressure rating and toughness, yet excellent folding characteristics. Methods for producing such nested balloons using existing balloon forming equipment are also provided. The nested balloons can have layers with low-friction surfaces. The nested balloons are preferably manufactured using a variety of methods, including pressurized constrained annealing. L'invention concerne un ballonnet emboîté, chaque ballonnet étant formé à partir d'un tubage qui optimise l'allongement de paroi intérieure donnant ainsi une résistance de ballonnet maximale. Le ballonnet emboîté haute pression est pourvu de couches qui permettent un glissement, de telle sorte que le ballonnet présente une capacité de pression et une ténacité très élevées, tout en possédant d'excellentes caractéristiques de pliage. L'invention concerne également des procédés permettant de produire de tels ballonnets emboîtés à l'aide d'un équipement de formation de ballonnets existant. Les ballonnets emboîtés peuvent comporter des couches présentant des surfaces à faible frottement. Les ballonnets emboîtés sont de préférence fabriqués à l'aide d'une variété de procédés, tels que le recuit sous contrainte de pression.