Valve for a spray container

In a spray container valve including valve housing means (9), valve body means (2) axially movable within said valve housing means, hollow stem means (3) operatively connected to said valve body means, spray head means (4) operatively connected to said hollow stem means, spring means (17) within said valve housing means and operatively connected to said valve body means (2) for biasing the valve body means into a closed position, sealing means (27), hollow valve member means (11) operatively connected to said valve body means (2) opposite said hollow stem means (3), said hollow stem means extending through said sealing means, outer circumferential groove means (26) in said hollow stem means forming a seat for said sealing means, first passage means (34) into said hollow stem means, said first passage means being openable and closable by said sealing means, the improvement comprising a bottom opening (10) in said valve housing means, said hollow valve member means extending through said bottom opening with clearance (15), guide means (21) in said valve housing means, chamber means (14) defined by said valve housing means (9) and by said valve body means (2) to form a throttling chamber means, said clearance (15) and chamber means (14) permitting propellant to flow through the valve housing, second passage means (41) openable and closable by said sealing means and extending from said chamber means toward said first passage means, third passage means (40) extending from within said hollow valve member means (11) for cooperation with said second passage means (41) in the manner of a jet pump whereby active ingredient is drawn through said third passage means (40) for mixing with propellant coming through said second passage means (41) and whereby the active ingredient propellant mixture flows through said first passage means (34) into said hollow valve stem, said valve body means comprising intermediate wall means (5) including flange means (6) forming an integral structure with said hollow stem means (3) and with said hollow valve member means (11), said hollow stem means (3) comprising first and second (33, 43) longitudinal channels, said outer circumferential groove (26) in said hollow stem means being substantially adjacent said intermediate wall means, said first passage means (34) extending through said circumferential groove into one of said longitudinal channels, said valve further comprising fourth passage means (35) also extending through said circumferential groove but remote from said first passage means (34), whereby additional propellant is supplied into the other longitudinal channel of said hollow valve stem means.