Variable thickness mat for use at the stress transition zone jun

Stock material or miscellaneous articles – Sheet facing and longitudinally noncoextensive with web or...

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404 28, 404 74, 428172, 428212, 428213, 428215, 428284, 428287, 428290, 428297, 428298, 428299, 428300, 428301, 428340, 428369, B32B 500, B32B 526

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043978991

ABSTRACT:
A variable thickness fabric mat for use at a stress transition zone juncture such as at a bridge-roadway juncture or a railroad crossing-roadway juncture, for more evenly spreading the stress forces from traffic thereover to the underlying support surfaces. The variable thickness mat is preferably formed of non-woven fabric and is of variable thickness in a direction lengthwise of the mat as well as in a direction transverse of the mat.

REFERENCES:
patent: 3402227 (1968-09-01), Knee
patent: 3587964 (1971-06-01), Cork
patent: 3670506 (1972-06-01), Goumbard
patent: 4265398 (1981-05-01), Luebke
patent: 4311273 (1982-01-01), Marsh

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