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U.S. Department of Labor
Settore: Government; Labor
Number of terms: 77176
Number of blossaries: 0
Company Profile:
A professional who operates rotary drum to remove hair and other solubles from hides or skins and convert hides or skins into leather or glue during continuous process. Respnsibilities include: * Loads drum with hides, skins, or other animal stock. * Turns valves to admit water and steam to drum. * Weighs and mixes specified amounts of lime, salt, and other chemicals in mixing tank or drum, following formula, to prepare liming, deliming, pickling, and tanning solutions used in treating hides or skins. * Turns valve to transfer solutions to drum during specified processing cycles. * Moves lever to activate drum that cleans, washes, pickles, and tans hides or skins. * Replaces solid door of drum with perforated door at specified intervals to filter waste from drum at completion of cycles. * Verifies salinity and temperature of solutions, using salinometer and thermometer. * Transfers tanning solution to drum and tans hides or skins. * May be designated according to process as delimer; limer; pickler; vat tender.
Industry:Professional careers
A professional who operates rotary drum containing tanning solution to convert hides and skins into leather, according to specifications. Respnsibilities include: * Weighs tanning agents, such as metal salts and sodium formate, following tanning formula. * Loads agents and hides or skins into drum. * Turns valve to fill drum with water, turns steam valve to heat water to specified temperature. * Verifies temperature, using thermometer. * Locks drum door and moves lever to rotate drum for specified period of time. * Removes drum door, replaces door with grating, and rotates drum to drain tanning solution through grating. * May boil sample of tanned hide or skin in water to determine thoroughness of tanning. * May be designated according to type of tanning solution used as bark tanner; chestnut tanner; chrome-tanning-drum operator; oak tanner; quebracho tanner; sumac tanner.
Industry:Professional careers
A professional who operates machine to saturate warp yarn with size and wind sized yarn onto loom beam: Positions section beams onto creel with aid of another worker, using hoist. * Gathers ends of warp together and ties warp to corresponding leaders left in machine from previous run, or when machine is empty, bunches ends together and threads yarn through size pot, around drying cylinders, and onto loom beams. * Inserts lease rods between alternate strands of yarn to prevent yarn from sticking together. * Lays individual warp ends between teeth of expansion comb for even distribution across loom beam. * Turns valves to admit size into vat and steam into drying cylinders. * Sets yardage clock to indicate yardage to be wound on loom beam. * Starts machine and observes flow of warp through machine to detect breaks and tangles in yarn. * Disentangles yarn and ties broken ends with fingers. * Feels yarn to verify adherence of size to yarn and ensure that yarn is dry but not burned. * Inserts lease string in warp yarn and secures yarn ends with tape. * Doffs loom beam onto handtruck and replaces with empty beam, using hoist. * Records style number, yardage beamed, yarn breaks, and machine stops. * May change temperature control chart on control panel. * May clean machine. * May process yarn for use on narrow fabric looms and be designated warp-spool slasher.
Industry:Professional careers
A professional who dumps prepared sizing solution into size box. * Immerses yarn skeins in solution for specified period to strengthen threads. * Lifts yarn from box onto extractor.
Industry:Professional careers
A professional who operates feed-end of range to dye and dry cloth in open width. Respnsibilities include: * Trucks folded cloth to feed-end of machine or pushes roll of cloth onto brackets at scray. * Sews cloth end to leader in machine, using portable sewing machine. * Turns handwheel to adjust cloth guides. * Turns valves to admit dye to dye pad from mixing tank. * Sets thermostats to control temperature of dye in padder and hot air in drying box. * Starts machines, observes control panel, and turns knobs to synchronize individual motor speeds. * Reads yardage clock and records production, lot numbers, and running time. * Turns valve to drain used dye from dye pad. * Cleans padder and steambox with water hose. * May mix dyes and add chemicals to dye bath. * May be designated according to dye used as cloth indigo-vat tender.
Industry:Professional careers
A professional who tests and maintains strength of chemical solutions used in treating cloth. Respnsibilities include: * Dips sample of solution from finishing machine and titrates solution against known acid or alkali to determine strength, using burettes and chemical indicator, or tests specific gravity of solution, using hydrometer. * Turns valve to admit liquid chemicals or scoops dry chemicals into finishing machine to maintain specified strength. * Records test results. * May be designated according to chemicals tested as acid-strength inspector; caustic-strength inspector.
Industry:Professional careers
A professional who tends machine that draws cloth through softening solution and winds cloth onto perforated cylinder to prepare cloth for dyeing. Respnsibilities include: * Threads cloth from supply truck through softening bath, guides, and rollers to takeup cylinder or sews cloth to leader in machine, using portable sewing machine. * Presses button to start machine and observes cloth for defects. * Cuts out flaws and sews ends together by hand or with sewing machine. * Removes full cylinder from machine, using chain hoist. * Records yardage cloth reading onto work ticket. * May tend tenter frame in tandem with cylinder batcher.
Industry:Professional careers
A professional who tends machine that bleaches or dyes cloth in rope form: Hangs cuts of cloth over reel above beck (dye tub). * Sews ends of cloth together to form endless rope from each cut of cloth, using portable sewing machine. * Sets gauges to control automatic cycle of washing, dyeing, and rinsing as instructed by supervisor dyer. * Notifies dye weigher to release chemicals and dyes to dye tub. * Cuts sample from cloth when dyeing cycle is near end and submits sample to supervisor dyer to determine if color meets specifications. * Ravels seams connecting cloth ends after rinsing is completed. * Starts reel to pull cloth out of dye tub. * Guides cloth into truck. * May unwind cloth from roll by machine so cuts of cloth may be separated for dyeing. * May be designated according to type of cloth dyed as knit-tubing dyer.
Industry:Professional careers
A professional who tends dye jig that passes cloth from one roll to another through vat of dye or other solution to scour, bleach, or dye cloth. Respnsibilities include: * Mounts roll of cloth on machine, using power hoist. * Passes cloth under guide rollers in tank to takeup roll. Turns valve to fill tank with water and pours specified quantity of dye into tank or notifies dye-weigher helper to release dye solution to dye machine. * Sets thermostat to control steam for heating solution. * Adds chemicals as instructed by supervisor dyer. * Starts machine that passes cloth through dye bath or chemical solution, reversing direction of cloth until it has passed through solution specified number of times. * Opens valve to drain solution from machine. * Fills machine with water and rinses surplus dye from cloth by passing cloth through water as in dyeing. * Doffs roll of cloth from dye jig, using power hoist. * May weigh and mix dyes.
Industry:Professional careers
A professional who tends dye jig that passes cloth from one roll to another through vat of dye or other solution to scour, bleach, or dye cloth. Respnsibilities include: * Mounts roll of cloth on machine, using power hoist. * Passes cloth under guide rollers in tank to takeup roll. Turns valve to fill tank with water and pours specified quantity of dye into tank or notifies dye-weigher helper to release dye solution to dye machine. * Sets thermostat to control steam for heating solution. * Adds chemicals as instructed by supervisor dyer. * Starts machine that passes cloth through dye bath or chemical solution, reversing direction of cloth until it has passed through solution specified number of times. * Opens valve to drain solution from machine. * Fills machine with water and rinses surplus dye from cloth by passing cloth through water as in dyeing. * Doffs roll of cloth from dye jig, using power hoist. * May weigh and mix dyes.
Industry:Professional careers