Methods and apparatus for simulating the long-term effects of no

Details Methods and apparatus for simulating the long-term effects of no Methods and apparatus for simulating the long-term effects of no

1995-03-29

1996-06-04

Williams, Hezron E.

Measuring and testing

By abrasion, milling, rubbing, or scuffing

738566, 434365, G01N 356

Patent

active

055222510

ABSTRACT:
A system for simulating effects of cleaning and maintenance on the appearance of a product such as carpet tile is disclosed. Short- and long-term effects of wear and soiling can be simulated as well, providing a relatively complete and rapid indicator of product appearance changes over time.

REFERENCES:
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patent: 3688556 (1972-09-01), Bigelow
patent: 4569222 (1986-02-01), Arnold et al.
patent: 5281535 (1994-01-01), Wei et al.
Operating Instructions and other materials relating to a Roller Chair Testing Device 28167 of Feingerate Baumberg, six pages (1989).
"Instrumentation to Impose and Assess Carpet Wear," Notes on Research No. 425 (Jun. 1989).
"Appearance Retention of Nine Carpet Samples," Research Services Report No. 266 (Dec. 15, 1989).
Schiefer et al, "Carpet Wear Testing Machine", Jun. 1931, pp. 927-936.
Irwin, W. E., "Development of a method to measure wear on resilient flooring", Jan. 1976, pp. 15-20.
Gavan, F. M., "The Wear Testing of Carpets and Resilient Floorings", Jul. 1970, pp. 24-28.
Brochure of Simuwear Corporation Entitled "Evaluating . . . Floor Covering Performance . . ." (six pages; circa 1994).
Press Releases of G. Wentworth Smith, Inc. entitled "Foot-Force Simulator-Test Technology Unveiled" and Foot Force Simulator Tests Carpet (Columbus, Wisconsin; Jul. 18, 1993; three pages).
Price List of G. Wentworth Smith, Inc. entitled "Wentworth Smith Foot Force Simulator Testing Services Price List" (Columbus, Wisconsin; Aug. 1, 1993; one page).

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