Apparatus for testing a weld seam

Details Apparatus for testing a weld seam Apparatus for testing a weld seam

1996-09-23

1998-01-06

Dougherty, Elizabeth L.

Measuring and testing

With fluid pressure

Dimension, shape, or size

G01M 302

Patent

active

057057362

ABSTRACT:
An apparatus for testing a weld seam between two overlapping sheets of polyethylene comprises a nozzle in air flow communication with an air pressure gauge and an air valve. A clamping device securely holds the nozzle within the air passage located between two parallel weld seams of the overlapped polyethylene sheets and maintains a closed air system. The closed air system is pressurized to a desired air pressure level and maintained at this level for a desired length of time. A drop in air pressure, which is the result of a failure in the weld seam, is quickly noted upon the air pressure gauge permitting corrective action.

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