| 摘要 |
<p>1,217,205. Valves. ESKIMO PIE CORP. 20 Feb., 1968 [21 Feb., 1967], No. 8099/68. Heading F2V. A flow control device, e.g. for ice cream, comprises a plurality of tubular tees each connected at one end of a cross-member 13 to a pipe 10, and having disposed therein in a plug 25, e.g. of nylon with either an oblique face 27, which can be rotated to control flow through an outlet stem 14, or a face (35), Fig. 4 not shown, extending normal to the axis of the plug to stop off flow, each plug having a groove 38 in which a rod 42 can be located to prevent withdrawal of the plugs, and an annular sealing member 30. Each plug is rotated by knob 31 having faces 32 to indicate its position. In an alternative arrangement the ends 18 of the stem 14 can be connected to the pipe 10.</p> |
