Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . of beer, or other planking liquor,and between two series of ]ii<ssing rollers, by whichthe fibers are knitted together or consolidated intofelt, when they are ready for the lilocking. In hat-planking macdiines the liodies are repeat-edly passed through a lioiling acidulated bath andunder pressure, being frequently rrnzed. See also IlAT-IiODY SiZING-MACHINK. C
Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . of beer, or other planking liquor,and between two series of ]ii<ssing rollers, by whichthe fibers are knitted together or consolidated intofelt, when they are ready for the lilocking. In hat-planking macdiines the liodies are repeat-edly passed through a lioiling acidulated bath andunder pressure, being frequently rrnzed. See also IlAT-IiODY SiZING-MACHINK. Crazing or croxing is refolding a hat-body so thatin passing many times through a felting-machine itmay present new surfaces tii be acted upon. Hat-pouncing Ma-chine. A machine forevening or eiiualizing the surface of a felted hat. Itconsists of a i-oUer covered with sand or emery paper,and rapidly revolved in contact with the surface, bywhich the projecting fibers are gi-ound off until thesurface fibers are of equal length. In the example, the cones are covered with sand-paper, and are mounted on shafts which have theirbearings in a revolving disk in connection with aswivel plate and an ailjustable revolving block on Fig. Hat-Pouncing Mnckine. which the hats are presented to the pouneers. Bythe combined action of the feed and pouncing rollers HAT-PKKSSING MAflUNK. 1078 HAT-STKETCHING MACHINE. the brim is snlisciiiiciitly rivnlvid automatiaiUy andopi-nitci-l U|ttjii hy till- IlUiii-iii;^ i:ones. Hat-pressiug Ma-chine. A mmliinc- forbringing a ^f or roitf o( liat-making niatiiial to the Ioini fg- ^^^? of a hat. In Fig. 243S, thrliai is placfil on a heated mold(t: over whieh tits a dome,whose lower edge is an elasticmembrane, whieh assimiesthe shape of the hat; wateris foreeci into the dome, andcompresses the film 0 on thebat, and forces the latter onits mold. The smaller view showsthe steam-heated mold / and
Size: 2065px × 1210px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, booksubjectin, booksubjectmechanicalengineering
