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US3849223A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making a non-woven needled fabric having a random linear streaked design

Assignee: Armstrong World Industries Inc
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Filing: 1973-02-26
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Granted: 1974-11-19
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Expires: 1993-02-26
📄 Original PDF 🌐 Google Patents

Abstract

Abstract A random linear streaked design is achieved in a non-woven needled fabric structure particularly adapted for carpets by: laying up a web comprised of dyed staple fiber bundles, individual bundles being of one of a plurality of colors, by opening the bundles and blending the bundles forming the web to a controlled degree such that individual bundles in the web retain their distinct coloration; garnetting the web to orient the fibers at a speed whereby further blending is minimized; crosslapping said web onto a preformed backing web positioned on a stationary apron to form a plurality of layers in which the garnetted fibers are substantially parallel to cross-machine direction; and transporting said backing web and overlying layers to a needling operation and needling the web and overlying layers to form an integral, unitary, needled fabric in which the slightly opened commingled fibers form colorful streaks having a random linear design comprised of the plurality of colors forming the original staple fiber bundles.

Inventors

  • 👤 R Kent

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 00:02
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/02; B32B5/00; B32B5/02; B32B5/022; D; D04; D04H; D04H1/00; D04H1/40; D04H1/44; D04H1/46; D04H11/00; D04H11/04; B32B2327/00; B32B2327/06; B32B2471/00; B32B2471/02

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 154 words
A METHOD OF MANUFACTURING A NON-WOVEN NEEDLED FABRIC HVING A RANDOM LINEAR STREAKED DESIGN OF A PLURALITY OF COLORS COMPRISING: A. FORMING A FIBROUS LAYER BY OPENING AND BLENDING DYED STAPLE ORGANIC FIBER BUNDLES TO A CONTROLLED DEGREE SUCH THAT EACH OF THE BUNDLES RETAINS ITS DISTINCT COLORATION, THE INDIVIDUAL BUNDLES BEING OF ONE OF A PLURALITY OF COLORS; B. GARNETTING SAID LAYER INTO A WEB WHEREBY THE FIBERS RE ORIENTED BUT AT A SPEED WHEREBY FURTHER FIBER BLENDING IS MINIMIZED; C. CROSS-LAPPING SAID WEB ONTO A BACKING WEB POSITIONED ON A STATIONARY APRON TO BUILD UP SUFFICIENT LAYERS TO HIDE THE BACKING; D. TRANSPORTING SAID BACKING WEB AND PLURALITY OF SURFACING LAYERS TO A NEEDLING STATION AND NEEDLING THE WEB AND OVERLYING LAYERS TO FORM AN INTEGRAL, UNITARY, NEEDLED FABRIC IN WHICH THE COMINGLED FIBERS FORM COLORFUL STREAKS HAVING A RANDOM LINEAR PATTERN OF THE PLURALITY OF COLORS OF THE STAPLE FIBER BUNDLES.
Claim 2
Independent Claim 154 words
A METHOD OF MANUFACTURING A NON-WOVEN NEEDLED FABRIC HVING A RANDOM LINEAR STREAKED DESIGN OF A PLURALITY OF COLORS COMPRISING: A. FORMING A FIBROUS LAYER BY OPENING AND BLENDING DYED STAPLE ORGANIC FIBER BUNDLES TO A CONTROLLED DEGREE SUCH THAT EACH OF THE BUNDLES RETAINS ITS DISTINCT COLORATION, THE INDIVIDUAL BUNDLES BEING OF ONE OF A PLURALITY OF COLORS; B. GARNETTING SAID LAYER INTO A WEB WHEREBY THE FIBERS RE ORIENTED BUT AT A SPEED WHEREBY FURTHER FIBER BLENDING IS MINIMIZED; C. CROSS-LAPPING SAID WEB ONTO A BACKING WEB POSITIONED ON A STATIONARY APRON TO BUILD UP SUFFICIENT LAYERS TO HIDE THE BACKING; D. TRANSPORTING SAID BACKING WEB AND PLURALITY OF SURFACING LAYERS TO A NEEDLING STATION AND NEEDLING THE WEB AND OVERLYING LAYERS TO FORM AN INTEGRAL, UNITARY, NEEDLED FABRIC IN WHICH THE COMINGLED FIBERS FORM COLORFUL STREAKS HAVING A RANDOM LINEAR PATTERN OF THE PLURALITY OF COLORS OF THE STAPLE FIBER BUNDLES.
Claim 3
Dependent Claim 34 words
The method in accordance with claim 1 wherein the denier of the staple fibers is from about 3 to 8 and wherein the lengths of said fibers are from about 2 to 4 inches.
Claim 4
Dependent Claim 16 words
The method in accordance with claim 2 wherein the fibers are of a fire-retardant modacrylic composition.
Claim 5
Dependent Claim 18 words
The method in accordance with claim 2 wherein a dimensionally stable scrim is positioned over the backing web.
Claim 6
Dependent Claim 40 words
The method in accordance with claim 2 wherein a dimensionally stable scrim is united to the back of the needled fabric at a second needling station and a latex backing is thereafter secured to form a decorative streaked carpet structure.
Claim 7
Dependent Claim 45 words
The method in accordance with claim 3 wherein a dimensionally stable scrim is united to the back of the needled fabric at a second needling station and a latex backing thereafter applied to form a decorative carpet structure having a flame-retardant random linear streaked surface.

References Cited (Backward Citations)

US2158533A Cited
US3250655A Cited
US3523059A Cited
US3615989A Cited
US3649400A Cited
US3705064A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-11-18 1978-05-20 1978-11-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-18 1982-05-20 1982-11-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-18 1986-05-20 1986-11-19 $7700.00 Window Closed / Lapsed

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