BREATH ACTUATED INHALER

A metered dose inhaler and in particular, a breath actuated metered dose inhaler, providing a valve port (1095) and a diaphragm (1000) for a pneumatic force holding unit of a breath actuated metered dose inhaler, a flap valve (36) for the canister fire system of a breath actuated metered dose inhale...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KENT, Trevor, PRENDERGAST, Paul, WALSH, Declan, THOMPSON, Niall, BUCK, Daniel
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACTUATING-FLOATS AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING COCKS 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 DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HUMAN NECESSITIES HYGIENE LIGHTING MECHANICAL ENGINEERING MEDICAL OR VETERINARY SCIENCE PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TAPS THERMAL INSULATION IN GENERAL TRANSPORTING VALVES WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A metered dose inhaler and in particular, a breath actuated metered dose inhaler, providing a valve port (1095) and a diaphragm (1000) for a pneumatic force holding unit of a breath actuated metered dose inhaler, a flap valve (36) for the canister fire system of a breath actuated metered dose inhaler, as well as methods for manufacturing and assembling the same. The valve port comprises an annular boss (1100) defining a valve orifice channel (78), wherein valve port further comprises two or more radially outwardly extending projections (1106, 1107) defining a path through which polymer entered the boss during injection moulding, the projections being substantially uniformly circumferentially separated.