| 摘要 |
The appliance has a support which carries a discharge nipple having an elongated interior channel formed with an inlet and an outlet. A pair of tubular guides form a first and a second passage, respectively. The first passage has an open end and the second passage communicates with the inlet of the interior channel. A replaceable magazine has an elongated chamber for a quantity of the filler material and communicates of the open end of the channel in direction transversely to the elongation of the latter. A first expelling element is reciprocable in the first passage and the chamber for expelling a portion of the chamber material and charging it into the channel. A second expelling element is reciprocable in the second passage and channel for expelling the charged portion through the outlet of the nipple. A single drive is provided which effects coordinated reciprocation of both of the expelling elements.
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