HOLDER FOR SPRAYING HEAD MOUNTING AND SPRAYING HEAD COMBINED WITH HOLDER Russian patent published in 2003 - IPC

FIELD: fire-extinguishing equipment. SUBSTANCE: holder comprises body, first end to insert fire-extinguishing composition feeding channel, second end and passage between first and second ends to supply fire-extinguishing composition from first end to second end. Second end has channel for receiving of spraying head body. Displaceable member is installed into passage between first and second ends. Displaceable member may be moved from first position in which displaceable member closes passage into second position in which displaceable member keeps the passage open. Displaceable member for holder and spraying head combined with holder is mounted so that when spraying head is removed displaceable member is in its first position. Displaceable member motion is the result of spraying head connection to holder. EFFECT: prevention of water leakage from holder body passage with spraying head removed. 10 cl, 9 dwg