Method for defining a frictional interface

Details Method for defining a frictional interface Method for defining a frictional interface

2005-06-14

2005-06-14

Pyon, Harold (Department: 1772)

Apparel

Hand or arm coverings

Gloves

C002S161100

Reexamination Certificate

active

06904615

ABSTRACT:
A friction control article including a backing layer having a first surface with an array of at least 100 upstanding stems per square inch and a second surface. At least a portion of the upstanding stems is an elastomeric material and the stems have an aspect ratio of at least 1.25. The first surface has a static coefficient of friction when dry of at least 0.6 and a static coefficient of friction when wet within 20% of the static coefficient of friction when dry. The first surface has a peel strength and a tensile strength of substantially zero when engaged with another slip control article. The first surface has a relatively high shear strength when engaged with another slip control article. The high shear forces are due primarily to the frictional properties of the elastomeric materials, not a mechanical interlock of the stems, such as on a mechanical fastener.

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