| 摘要 |
<p>502,630. Forming mats or laps of glass wool &c. TRIGGS, W. W., (Naamlooze Vennootschap Maatschappij tot Beheer en Exploitatie van Octrooien) Dec. 24, 1937. No. 35723. [Class 120 (i)] In the manufacture of mats or laps of inorganic fibres, e.g. glass wool, wherein the fibres are fed in a direction substantially at right-angles to a conveyer 16 travelling across the lower open end of a chamber 15, Fig. 1, one or both side walls 22, Fig. 3, of the chamber 15 are adjustable laterally for adjusting the width of the lap or mat 18 while sealing members 30 are provided between the conveyer and the lower edge of the side walls 22. Fibres, e.g. of glass are carried downward by the blast from blowers 13 through spouts 14 into the chamber 15 and deposited on the conveyer 16 which is of openwork construction and provided with a suction chamber 17. The chamber or hood 15 comprises a vertical front wall 20 an inclined rear wall 21 and vertical side walls 22 pivotally, mounted on rods 23 and fixed in their adjusted position by bolts 27 passing through slots 26 in lugs 25 and secured by eccentric clamping levers 28. The sealing strips 30 are adjustable vertically by screwed rods 32 and are pressed downwardly against the conveyer 16 by springs 36, Fig. 2. The strips 30 are movable horizontally through screwed shafts 42 actuated by cranks 46.</p> |
