- Settore: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who tends equipment that compounds ingredients into chemical solutions used as adhesive or conductive coatings for electron tubes. Respnsibilities include:
* Weighs and measures specified type and quantity of liquid and powdered ingredients.
* Pours, dumps, or pumps ingredients into mixing equipment.
* Starts equipment that compounds chemical ingredients and deionized water into chemical solutions, such as frit or conductive graphite.
* Tests mixture for conformance to prescribed standards, using testing devices, such as pH meter, resistivity meter, titration apparatus, colorimeter, thermometer, and viscometer.
* Pours compounded product into containers for application to tube seams, funnel, or ceramic parts by other workers.
Industry:Professional careers
A professional who tends rotary mixer that blends aged alkali-cellulose crumbs with carbon disulfide to form cellulose xanthate for further processing into cellophane or rayon. Respnsibilities include:
* Couples pipe to mixer to admit specified amount of carbon disulfide to churn (mixer chamber) filled with alkali-cellulose crumbs by other workers.
* Starts drum rotating, observes gauges, and moves or sets controls to maintain temperature of churn and length of mixing cycle within plant specifications.
* Stops machine and turns valve to expel excess gas remaining in drum.
* Opens hatch and dumps cellulose xanthate into cart or machine hopper for further processing.
* Scrapes interior of drum, using putty knife or scraper, to remove product residue before preparation of next batch.
* May tend continuous process equipment and be designated Disulfurizer Tender.
* May blend cellulose xanthate and caustic soda and be designated Tank Worker.
Industry:Professional careers
A professional who tends machine to mix color paste for use in printing textiles. Respnsibilities include:
* Measures out specified amounts of base colors and thickener, using calibrated ladles and spoons.
* Mixes ingredients in tub, using power mixer, and observes mixture to determine when ingredients have combined.
* Smears sample of printing paste on cloth and submits sample smear to colorist for comparison with color standard.
* Adds base colors to mixture when advised by colorist.
* May strain color paste through cloth to remove lumps.
* May convey tubs of color to printing machine, using handtruck.
Industry:Professional careers
A professional who tends mixing machine to finish mixing of matchhead compound to produce mixture of specified viscosity. Respnsibilities include:
* Lifts kettles of compounds from cart onto mixer with hoist.
* Starts mixer and pours dye solution into compound.
* Sets thermostat or opens valve to admit steam into jacket around kettle to heat compound if specified, and verifies temperature with thermometer.
* Fills graduated dipper with compound and times flow of compound from dipper with stopwatch to test viscosity.
* Adds specified ingredient according to test results until viscosity is correct.
Industry:Professional careers
A professional who tends machines that mix specified quantities and types of liquid, powder, and paste ingredients to form slurry for processing into soap products, such as bars, flakes, chips, and granules. Respnsibilities include:
* Pulls slide from discharge chute of hopper to admit preweighed dry materials into tank, or shovels preweighed solid ingredients into tank.
* Opens valves to add specified amount of water, paste, or steam.
* Starts agitator to mix materials for prescribed period of time.
* Observes gauge and adjusts valves to maintain specified temperature.
* Weighs and dumps specified additional ingredients or adjusts scale tank and pumps in additional ingredients.
* Turns valve to pump completed batch to booster tank, or shovels completed batch into wheelbarrow.
* Draws sample of slurry for laboratory analysis.
* Records number of batches mixed.
Industry:Professional careers
A professional who tends machine that mixes powdered carbon black with water or binding agents in rotating drum to form pellets. Respnsibilities include:
* Starts machine and turns valves to admit and regulate flow of water or binding agents into mixing drum.
* Examines and feels samples of product to verify that pellet size and moisture content meet specified standards.
* Opens inspection ports and observes conveyor system to detect jamming.
Industry:Professional careers
A professional who tends agitator tanks that mix ingredients to produce chemical compounds, such as sealants, adhesives, fillers, and linoleum paste. Respnsibilities include:
* Weighs and measures ingredients, such as casein, clay, flour, glue powder and gelatin, lignin, resins, and liquid catalysts or water, following prescribed formula, and dumps, pours, pumps, or scoops ingredients into machine, tank, or kettle.
* Pushes button to start agitators that blend ingredients.
* Observes mixing process and adds ingredients according to specifications.
* Manipulates controls to drain mixture from tanks or kettles.
* May draw product sample for laboratory analysis.
* May cook mixture, using steam-jacketed kettle.
* May manually mix compounds.
* May mark identifying information on containers.
* May record amount of product mixed.
* May be designated according to product mixed as Sealant Mixer.
Industry:Professional careers
A professional who tends agitator and auxiliary equipment to mix pigments according to specifications for use in ground coating and coloring on wallpaper. Respnsibilities include:
* Measures and mixes ingredients in electric agitator to make sizing compounds.
* Dumps bags of powdered clay into mixing vat, and turns valves to add water.
* Starts pump to transport specified quantity of sizing compound from drum into mixing vat, and starts agitator.
* Loosens lumps of clay from sides of vat during mixing process, using paddle.
* Moves drums of base solution about work area, using handtruck.
Industry:Professional careers
A professional who tends machine and equipment that mix liquid and dry ingredients according to formula to produce insecticides, pesticides, and fungicides. Respnsibilities include:
* Weighs, measures, or turns valves to admit specified quantities and type of ingredients into mixer.
* Starts mixer to blend ingredients.
* Turns valve, pulls lever, or presses button to transfer mixture to storage tank or filling machine.
* Records quantity and type of ingredients mixed.
* May draw sample of product for laboratory testing.
Industry:Professional careers
A professional who tends agitator tanks, portable mixing machines, and related equipment to produce compounds for coating and waterproofing fabrics. Respnsibilities include:
* Measures and weighs materials, such as oils, pigments, plasticizers, resins, stabilizers, fillers, color concentrate, and water according to formula.
* Trucks drums of ingredients to mixers and dumps them into mixing chamber, using hoist, tilt, or by hand.
* Starts mixer to blend ingredients.
* Drains ingredients into storage tanks, buckets, or drums.
* Scrapes and cleans mixers, using hand scraper and solvents.
* May pump specified amounts of liquid plasticizer into supply containers or mixing chamber, as directed.
Industry:Professional careers
