Audible signal valve knob

Details Audible signal valve knob Audible signal valve knob

A - Human Necessities

47

J

65/19

A47J 27/212 (2006.01) A47J 45/06 (2006.01)

Patent

CA 1066527

ABSTRACT A knob for a cooking vessel is a whistle which gives an audible signal that cooking temperature has been reached, and has a valve slide for shutting off the whistle. Support- inside and outside knob parts incorporate halves of a resonance chamber, which makes the knob extremely simple to the mold, assemble, clean, and disassemble. The valve slide rests in guides which make it impossible to assemble incorrectly, and overlaid by a know cover.

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