Patent ID: 8465695
Filing Date: 2013-06-18
Classification: A61B

Abstract:
1. A washing test apparatus comprising: a sheet of material comprising an indicator, the indicator comprising a colorant, a protein, a lipid, and a polysaccharide; and a holding device comprising at least first and second members joined together by a hinge, at least a portion of said first and/or second members being capable of undergoing relative movement between an open position and a closed position to allow for removable insertion of said sheet therebetween, and a spring positioned between the first and second members to bias said portion of said first and/or second members toward the closed position, wherein said sheet is removably retained between said portion of the first and/or second members while in the closed position, and said portion includes two or more surfaces provided in different directions, angles and/or orientations relative to each other, said sheet following the contours of said surfaces when located therebetween to allow multi-directional wash testing and to maintain said sheet in position during use.