Method and an apparatus for measuring the bonding power of an ad

Details Method and an apparatus for measuring the bonding power of an ad Method and an apparatus for measuring the bonding power of an ad

1979-06-13

1980-11-11

Swisher, S. Clement

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

73150A, G01N 308

Patent

active

042325595

ABSTRACT:
A method for measuring the bonding power of an adhesive material, particuly a sheet material comprising fibres impregnated with a glue. After having applied against the material the face of a totally reflecting prism the index of refraction of which is lower than that of the glue, a force is exerted which tends to bring apart from each other the prism and said material, the value of the force corresponding to the separation is determined and the quotient is made of said force by the value of the contact area measured at the moment of the separation from the light totally reflected by said face.

REFERENCES:
patent: 3527093 (1970-09-01), Sellers
patent: 3945248 (1976-03-01), West
patent: 4184373 (1980-01-01), Evans et al.

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