US PATENT SUBCLASS 228 / 150
.~.~.~.~ Elongated seam


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

101  DF  PROCESS {38}
141.1  DF  .~ With shaping {7}
144  DF  .~.~ And edge joining of one piece blank or strip {4}
149  DF  .~.~.~ Uniform thickness thin blank or strip {1}
150.~.~.~.~ Elongated seam {1}
151  DF  .~.~.~.~.~> Butt joining


DEFINITION

Classification: 228/150

(under subclass 149) Process wherein the part is formed into an elongated tubular member and the margins being bonded extend in a plane common to the axis thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

15.5+, for apparatus for forming a seamed tube.