Patent ID: 11926087
Assignee: KONICA MINOLTA BUSINESS SOLUTIONS U.S.A., INC.
Field: Other special machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A testing apparatus for obtaining mechanical properties of a polymer composite extruded from a nozzle of a compounding extruder, the testing apparatus comprising:
a plurality of pairs of roller units that roll the polymer composite along a first direction, wherein
each of the pairs of roller units comprises a first roller unit and a second roller unit disposed such that a center of the first roller unit and a center of the second roller unit are separated by a predetermined distance in a second direction that is perpendicular to the first direction,
the pairs of roller units are disposed along the first direction such that the predetermined distance of each of the pairs of roller units increases stepwise along the first direction,
the polymer composite extruded from the nozzle has a U-shaped profile with a side wall and upper and lower portions surrounding the side wall, wherein the upper and lower portions are thicker than the side wall in a cross-sectional view of the polymer composite, and
the pairs of roller units increasingly strain the side wall that is a vulnerable portion of the polymer composite in the second direction as the polymer composite moves through the pairs of roller units in the first direction and the predetermined distance increases stepwise; and

a sensor that measures stress in the side wall of the polymer composite.