fabrics - chapters 24,25,26,27
Terms
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- The distinguishing feature of all authentic Oriental rugs is
- that each pile tuft is ahnd knotted
- the design of these rugs is often emphasized by hand carving
- Aubusson and Savonnerie
- Antique oriental rugs, those produced prior to the mid-1800s, often had as many as
- 500 knots per square inch
- Rya rugs differ from Oriental rugs in two ways:
- Pile height in Rya rugs is longer and more filling yarns are used between each crosswise row of pile yarns
- A rug that is immersed in a deep vat in a pool beyond a natural water fall to cause the wool fibers to felt is:
- Flokati
- Aubusson rugs
- French rugs characterized by classic designs, soft pastel colors, and a fine loop pile.
- chemical washing
- Use of chlorine or acetic acid and glycerin to simulate the prized sheen and soft luster of older Oriental rugs that were dyed with natural rather than synthetic dyestuffs
- antique Oriental rugs
- Oriental rugs woven prior to the mid-1800s
- dhurrie
- Flat, hand-woven rugs having a plain, twill, or tapestry interlacing
- flossa stick
- Used in weaving tya rugs
- Ghiordes knot
- Hand-tied knot used in the production of Rya rugs and some oriental rugs
- Khilim
- Rugs woven in eastern European countries; may have stylized designs depicting flowers, animals, and other natural things; may have slits; reversible.
- luster washing
- Also known as chemical washing
- modern rugs
- Oriental rugs produced during the twentieth Century
- Oriental Rugs
- Hand-woven rugs having hand-knotted pile tufts.
- Persian knot
- Knot used in authentic Oriental rugs; can be tied to slant to the left or to the right.
- Savonnerie rugs
- French Oriental rugs originally made in a factory used earlier for the production of soap; distinguished by classic designs and soft pastel colors.
- Sehna knot
- Hand-tied knot used in the production of some authtentic Oriental rugs; also known as Persian knot.
- semi-antique rugs
- Oriental rugs woven during the latter part of the nineteenth century
- Turkish knot
- Also known as Ghiordes knot
-
Which pad is best for odor control?
a. sponge rubber
b. foam
c. latex - a. sponge rubber
-
Which of the following statements is not correct with regard to fibrous cushion structures?
a. relatively inexpensive
b. tend to exhibit aging
c. resist moisture
d. tend to shift, bunch, and clump under heavy traffic conditions - c. resist moisture
-
Which of the following is not a cellular rubber cushion:
a. sponge
b. urethane
c. foam - b. urethane
- The degree of resistance a cushion offers to being crushed or deflected under a static load is
- compressibility
-
One of the following is important only in cellular rubber cushions; this variable is:
a. aging
b. delamination strength
c. elongation
d. tensile strength - a. aging
- aging
- Characterized by cracking, crumbling, and sticking over time.
- compressibility
- Ease with which a textile structure can be crushed or reduced in thickness
- compression deflection
- Extent to which a structure restists compression force.
- compression load deflection
- Force required to deflect a specimen assembly a given percentage of its original thickness
- compression loss
- Extent to which a structure fails to recover its original thickness after being compressed under a static load
- compression set
- Also known as compression loss
- delamination strength
- Force required to separate the primary and secondary backings of tufted floor coverings
- densified prime urethane foam
- High density cellular cushion that is produced from a finer, elongated cellular structure; odorless, resilient, mildew-resistant, and resistant to bottoming out.
- density
- Mass or amount of matter per unit of volume of a fiber or other textile structure.
- elongation
- Ability of a fiber, yarn or other textile structure to extend.
- fibrous cushion
- Produced by needlepunching hair or jute fibers into felt-like structures.
- foam rubber
- Manufactured by converting liquid latex and fillers into flat, continuous sheets.
- prime urethane foam
- Manufactured by foaming the urethane polymer units into a continuous sheet.
- sponge rubber
- Contain chemicals, oils, and fillers that were added to the rubber compound for weight.
- tensile strength
- Force per unit of cross sectional area necessary to rupture a fabric.
- Device used to simulate foot traffic; imparts mechanical action as a carpet-lined drum rotates
- tetrapod tester
- Apparatus frequently used in the accelerated laboratory testing of carpet and upholstery fabric; specimens are rotated while abradant wheels revolve over the surface
- Taber tester
-
With regard to sound absorption, which of the following statements correctly state the permeability principle:
a. the more permeable the structure, the more efficiently it will absorb sound
b. the less permeable the structure, the more efficien - a. the more permeable the structure, the more efficiently it will absorb sound
-
Which of the following statements is correct:
a. textile fibers have high K-values
b. copper materials have low K-values
c. increasing the thickness of a material does not increase its K-value
d. increasing the thickness of a material - c. increasing the thickness of a material does not increase its K-value
-
R-value is equal to:
a. thickness x K-value
b. K-value/thickness
c. Thickness/K-value - c. Thickness/K-value
- acoustical value
- Extent to which a structure prevfents sound from becoming unwanted noise.
- airborne and surface sounds
- Noises such as people talking, telephones ringing, etc.
- foot traffic units
- Number of passes by human walkers
- impart and structurally borne sounds
- Sounds generated by walking, jumping, dropping items on the floor, etc.
- impact noise rating
- Numerical value used to indicate the effectiveness of a floor, carpet, cushion, or combination in reducing noise transmission
- K-value
- Rate at which a material conducts or transfers heat
- light reflectance factor
- Numerical value indicating the percentage of incident light being reflected by a carpet surface
- noise reduction coefficient
- Numerical value that indicates the effectiveness of textile floor and wall coverings at absorbing sound.
- R-value
- Rate at which a material resists heat flow.
- specification listing
- Preferred or required features of a product, including such things as appearance, composition, construction features, functional benefits, and performance properties.
- stair tread test
- Long-term, service exposure test; carpet specimens are installed without a cushion on heavily used stairs.
- surface noise radiation
- Movement of noise created by such activities as walking, running, and shuffling throughout an interior space.
- tetrapod walker
- Device used in the accelerated tesitng of carpet for changes in texture and fiber loss; simulates foot traffic.
- In addition to prolonging the drying time, overwtting of soft floor coverings can lead to a problem known as
- browning
- Stretch-in, glue-down, and free-lay installation techniques are used in
- wall-to-wall installation
- When installing carpet modules, tiles should be laid:
- in a pyramid or stairstep manner
- Another name for a seam condition is
- "saddle"
- The use of absorbent powder or absorbent compounds in carpet cleaning is referred to as:
- dry extraction
- drop-match patterns
- Patterns that repeat themselves diagonally across the width of the carpet
- hot water or spray extraction
- Properly diluted shampoo is driven into the pile as a spray by high-pressure jets; it is then immediately extracted by the vacuum component of the machine.
- interim maintenance
- Maintenance activities designed to assure a high level of apeparance retention for an extended period of time.
- knee-kicker
- Device used to grip and anchor the edges of carpet over the pins in tackless strips.
- power stretcher
- Device used to place uniform stretch over carpet in wall-to-wall installations
- preventative maintenance
- Protective cleaning procedeures intended to capture soil and grit in track-off, funnel, and concentrated traffic areas.
- restorative maintenance
- Maintenance involving overall or wall-to-wall cleaning
- salvage maintenance
- Maintenance procedures used for extremely soiled carpet or for removing built-up residue.
- set-match patterns
- Patterns that repeat themselves diagonally across the width of the carpet
- shedding
- Occurs with new carpet when short lengths of fibers have accumulated during manufacturing work to the surface
- sprouting
- Protusion of a tuft above the surface of the wear layer of carpet
- stretch-in installation
- Technique used to install rollgoods wall-to-wall
- tackless strips
- Pin-holding strip used in stretch-in tackless installation projects
- wall-to-wall installation
- Installation of carpet to cover the entire floor space, baseboard to baseboard
- wet shampoo
- Restorative maintenance procedure in which a diluted detergent solution or foam is driven into the pile with rotating brushes, followed by a thorough vacuuming
- specification sheet - total weight
- Aproximate total weight
- specification sheet - face yarns
- yarn content (eg Monsanto Ultron VIP Nylon 6,6)
- specification sheet - pile yarn weight
- ?
- specification sheet - tufts per square inch
- ?
- specification sheet - gauge
- Machine Gauge (eg. 1/10)
- specification sheet - pattern repeat
- Pattern repeat - EXAMPLE: 2.25" (L) x 2.5" (w)
- specification sheet - soil retardant
- Soil Retardant: 3M Commercial Carpet Protector
- specification sheet - Flammability rating
- Pass Methenamin Pill Test; Class I - Exceed the minimum requirements of Flooring Radiant Panel Test; NBS Smoke Chamber Test
- specification sheet - primary backing
- Reinforced woven polypropolyene for improved surfaced appearance and dimensional stability