Plastic and nonmetallic article shaping or treating: processes – Flame contact or reshaping by heat decomposition of work
Reexamination Certificate
1999-10-07
2002-08-27
Tentoni, Leo B. (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
Flame contact or reshaping by heat decomposition of work
C028S112000, C264S129000, C264S171240
Reexamination Certificate
active
06440341
ABSTRACT:
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
Not Applicable.
REFERENCE TO A MICROFICHE APPENDIX
Not Applicable.
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to the field of underlays for rugs and, more particularly, to underlays that have been flame-treated to produce a surface that will cling to the underside of the rug.
2. Description of Related Art
Underlays for area rugs have been known for many years for the purpose of providing a soft feeling to a person walking on the carpet or rug. In more recent times it has been known that improvements could be made to the underlay so as to provide not only a softer feeling underfoot but also to make the underlay less likely to slip when one walked on the area rug.
BRIEF SUMMARY OF THE INVENTION
The present invention provides a rug underlay that can support an individual rug, such as an Oriental Rug, safely against slippage and at the same time provide a soft feeling underfoot to one walking on the rug. One side of the underlay is subjected to the flame from a burner to produce bristle that will cling to the overlying rug; and the other side is given a rubber coating to provide a nonslip surface to lie on a polished wooden floor or the like.
REFERENCES:
patent: 4360554 (1982-11-01), Campbell et al.
patent: 4477938 (1984-10-01), Rogut
patent: 6200662 (2001-03-01), Mussallem, III
patent: 61138763 (1986-06-01), None
Tentoni Leo B.
Yeager Arthur G.
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