Patent ID: 11906478
Assignee: ILLINOIS TOOL WORKS INC.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 24:
25. A testing system for performing a residual seal force (RSF) test, the testing system comprising:
a column supported by a base structure;
a load cell supported by said column, wherein the load cell is configured to move along the column toward and away from the base structure via a crosshead;
a base plate supported by the base structure and configured to support a specimen; and
a test head operably coupled to the load cell, wherein the test head comprises:
a housing defining a first cavity;
an anvil positioned at least partially within the first cavity;
a ball roller assembly configured to provide a point of contact between the housing and the anvil during a RSF test, wherein the ball roller assembly comprises a plurality of ball bearings; and
a retaining ring configured to maintain the anvil at least partially within the first cavity.