US PATENT SUBCLASS 228 / 49.3
.~.~ Pipe joint aligner

Current as of: June, 1999
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228 /   HD   METAL FUSION BONDING

47.1  DF  WITH MEANS TO HANDLE WORK OR PRODUCT {4}
49.1  DF  .~ Including means to orient work or position work portion relative to another work portion {3}
49.3.~.~ Pipe joint aligner

DEFINITION

Classification: 228/49.3

Pipe joint aligner:

(under subclass 49.1) Apparatus wherein the means is provided for juxtaposing meeting faces of a pair of hollow cylindrical bodies.