Apparatus and method for testing the hardness of a pipe

Measuring and testing – Hardness – By penetrator or indentor

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G01N 342

Patent

active

060678461

ABSTRACT:
An apparatus for testing hardness of a pipe including a body having a longitudinal axis, a probe connected to the body and extending transverse to the longitudinal axis of the body, a retaining mechanism connected to the probe and positioned within the body so as to maintain the probe in a fixed position relative to the pipe while the body is moving through the pipe, and a processor connected to the probe so as to convert a signal produced by the probe relative to the hardness of the pipe into a humanly perceivable indication of pipe hardness. The probe serves to contact a point along the inner surface of the pipe while the body is moving continuously through the pipe.

REFERENCES:
patent: 4196616 (1980-04-01), Argabrite et al.
patent: 4791807 (1988-12-01), Oechsle
patent: 4974443 (1990-12-01), Heitmann
patent: 5315879 (1994-05-01), Crochon et al.

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