Adhesion testing apparatus and method for flowable materials suc

Details Adhesion testing apparatus and method for flowable materials suc Adhesion testing apparatus and method for flowable materials suc

1992-10-14

1994-01-25

Warden, Robert J.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Viscosity

73169, G01N 1100

Patent

active

052807177

ABSTRACT:
An improved adhesion testing apparatus (20) for the accurate, quantitative measurement of adhesion of coherent flowable materials such as doughs is provided which includes an extrusion-type sample holding device (42) together with a shiftable probe (38). The device (42) includes a base (46) threadably interconnected with a top (48), the latter supporting an extrusion screen (50). In use, a dough sample placed within the base (46) is extruded through the screen (50) in order to present a test portion (92) above the screen (50); the plunger (38) is then lowered into contact with the portion (92), and rapidly withdrawn. The force required to separate the plunger (38) from the test portion (92) is recorded as a measure of adhesion. Provision of the screen (50) essentially eliminates the potentially interferring factor of dough flow in the measurement of adhesion.

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Dexter, et al.--Grain Research Laboratory Compression Tester: Instrumental Measurement of Cooked Spaghetti Stickiness.sup.12 ; Cereal Chemistry, vol. 60 No. 2 1983.
Voisey, et al.--Measuring the Texture of Cooked Spaghetti, Exploratory work on Instrumental Assessment of Stickiness and its Relationship to Microstructure; J. Inst. Can. Sci. Technol Aliment, vol. 11, No. 4, Oct. 1978.

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