A zip pull

A zip pull 1 comprising a whistle 2 and a cord 3 connected thereto, the whistle comprising a cavity 4, the cavity comprising an aperture 5 for blowing air into the cavity, characterised in that the whistle further comprises a plurality of fingers 10,11 arranged proximate to the aperture and extendin...

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Bibliographische Detailangaben
Hauptverfasser:	Euan Bruce, David Lomax
Format:	Patent
Sprache:	eng
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE HABERDASHERY HAND TOOLS HUMAN NECESSITIES JEWELLERY MANIPULATORS METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PERFORMING OPERATIONS PHYSICS PORTABLE POWER-DRIVEN TOOLS SOUND-PRODUCING DEVICES TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING
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