US PATENT SUBCLASS 285 / 222
.~ Expanded or swaged pipe

Current as of: June, 1999
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285 /   HD   PIPE JOINTS OR COUPLINGS

189  DF  END TO SIDE OR PLATE (E.G., REINFORCEMENT) {11}
222.~ Expanded or swaged pipe

DEFINITION

Classification: 285/222

(under subclass 189) Subject matter wherein the pipe is expanded (e.g., by metal working) into contact with the wall portion defining an opening.

SEE OR SEARCH THIS CLASS, SUBCLASS:

196, for a joint comprising a pipe end carried, expansible packing means and a plate.

213+, for a pipe-to-plate joint comprising a thimble type wedge, especially subclass 214 for means expanding the pipe end.

382, for other pipe joints involving material deformation essential to joining.

SEE OR SEARCH CLASS

29, Metal Working, 523, for a method of expanding an internal tube.

72, Metal Deforming, appropriate

67+, and 316+ and subclass 393 for an apparatus for expanding or flanging the end of a pipe.

228, Metal Fusion Bonding, appropriate subclasses for making a joint by metallurgically securing one meeting face to another.

249, Static Molds,

89, for molding apparatus for joining pipe sections with a fluent material.