US PATENT SUBCLASS 228 / 126
.~ Encasing a rodlike core within a substantially coextensive tube by complete bonding therebetween

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

101  DF  PROCESS {38}
126.~ Encasing a rodlike core within a substantially coextensive tube by complete bonding therebetween {4}
127  DF  .~.~> Thermally induced pressure weld
128  DF  .~.~> With mechanical interlock
129  DF  .~.~> By bending planar part to form tube around rodlike core {1}
131  DF  .~.~> By fitting rodlike core within tube {1}

DEFINITION

Classification: 228/126

(under subclass 101) Process including enclosing an inner cylindrical part with a separate co-extensive hollow outer cylindrical part and bonding the parts to each other along substantially their entire contacting faces.

(1) Note. The inner cylindrical part may be tubular.

SEE OR SEARCH THIS CLASS, SUBCLASS:

143, for a process of coiling a web upon itself to form a tube having two or more thicknesses.

154, for a process of shaping a portion of either or both of a telescoping tube and an inner rod-like member prior to bonding of those parts, wherein only a location such as the end of the tube is joined to the inner member; the sleeve and the core piece are not co-extensive.

SEE OR SEARCH CLASS

29, Metal Working, 422, for a process of encasing an article in a container and deforming the end of the container to confine the article therein. Subclass 455.1, for a process of encasing a tube or rod with a sheath radially spaced therefrom. Subclasses 515+, particularly subclasses 517+, for a process of enclosing a tube or rod with a separate coextensive tubular member and joining them by a deforming operation.