Fire retardant mattress core cap and method of making same
US11140998B2 · kind B2 · utility
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1References
24Claims
0Family size
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Key dates
| Filing date | Feb 28, 2020 |
| Grant date | Oct 12, 2021 |
| Priority date | — |
| Expiry date | Feb 28, 2040 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2503/062
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A fabric made by the method of providing a non-woven batt having flame retardant fibers, stitch bonding the non-woven batt with an elastic yarn, and heat treatment the stitch bonded, non-woven batt. The stitch bonded non-woven batt is exposed to a temperature in a range of 65° C. to 200° C. for a period in a range of 30 seconds to 120 seconds, and contracts in the machine direction in a range of 5% to 65% and in the cross-direction in a range of 20% to 70%. In an embodiment, the fabric is adapted for use as a mattress core cover.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.