MANNER OF ATTACHING COMPONENT ELEMENTS TO FILTRATION MATERIAL SUCH AS MAY BE UTILIZED IN RESPIRATORY MASKS

MANNER OF ATTACHING COMPONENT ELEMENTS TO FILTRATION MATERIAL SUCH AS MAY BE UTILIZED IN RESPIRATORY MASKS

A component (10) is attached to filtration material (12) by providing the component with a deformable extension member that is preferably integral with the component and that extends from a base portion (18) of the component. The extension member is inserted through an opening provided through the f...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WILLIAMS, ELFED, I, CURRAN, DESMOND, T
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
FIRE-FIGHTING
HUMAN NECESSITIES
LIFE-SAVING
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:A component (10) is attached to filtration material (12) by providing the component with a deformable extension member that is preferably integral with the component and that extends from a base portion (18) of the component. The extension member is inserted through an opening provided through the filtration material and is then deformed back toward the base portion so as to engage the filtration material on the other side (24) of the filtration material than the side (22) contacted by the base portion. The deformed extension member (30,32,34) and the base portion thus provide a mechanical clamp that is utilized in attaching the component in position. In certain embodiments, the component is an attachment such as an exhalation valve of a respiratory mask.