Testing apparatus and a method for testing

The invention relates to a testing apparatus comprising a chamber frame (3) with with a load opening (5), the load opening (5) is covered by a cap (6). A first (8) and a second (9) sample contact element is provided in the chamber. A shaft (11) has a second end protruding out of the chamber frame through an opening in the cap (6). An interface is provided for pressurizing the chamber with fluid. A bellows tube (13) which seals the shaft (11) to the cap (6). A loading frame (2) with load shafts (16) has first ends attached to the cap (6) and second ends attached to the second sample contact element (9, 9'), whereby the second sample contact element (9, 9') is connected to the chamber frame (3) via the cap and the loading frame (2) and suspended in the chamber at a distance from a second end (18) of the chamber frame, which is opposite to said first end (17).

Patent family as of 14.7.2026
FI131737 B, FI20246076 A, WO26047283 A1