| 摘要 |
PCT No. PCT/SE81/00182 Sec. 371 Date Feb. 22, 1982 Sec. 102(e) Date Feb. 22, 1982 PCT Filed Jun. 17, 1981 PCT Pub. No. WO82/00041 PCT Pub. Date Jan. 7, 1982.A method and an apparatus for facilitating the filling of insulation material into cavities (11) in hollow blocks (10). The apparatus comprises one or several drums (14,15), which are arranged over a conveying means moving blocks past the apparatus. Through the drums pre-cut pieces (12) of insulation material are passed toward the block. In each drum (14,15) a press plate (18) further is provided. Each drum is terminated downwardly by a laterally movable plate (16), which at each drum is provided with an opening (17) having a smaller width than the passageway. A reciprocating mechanism (22) is provided to move the press plate (18) to the rear wall (14) of the drum, so that the lowermost piece (12a) of insulation material is compressed, for example to half its thickness. An air distribution box (19) at the upper edge of the press plate includes air supply lines (20) and projects slightly in front of the press plate, so that the lower portion of the insulation piece (12b) lying above will be compressed more forcefully than the piece, which is about to be pressed out of the drum (14,15) and into the block (10). Subsequent to completed compressing movement, compressed air is ejected through openings (21) in the air box (19), whereby the compressed lowermost piece (12a) is pressed over in the block. The lower more forcefully compressed portion of the insulation piece (12b) lying above acts as a dam and prevents the loss of compressed air. |
