US PATENT SUBCLASS 228 / 16
.~ By a funnel-shaped conduit (e.g., welding bell, etc.)

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

15.1  DF  WITH MEANS TO DEFORM WORK, FILLER, OR FLUX PORTION BEFORE FUSION {3}
16.~ By a funnel-shaped conduit (e.g., welding bell, etc.)

DEFINITION

Classification: 228/16

(under subclass 15.1) Device having an open ended, tapered passageway, through which the work is moved in the direction of decreasing taper.

(1) Note. The inner periphery of the conduit is closed or substantially closed along at least a portion of its length.

SEE OR SEARCH CLASS

72, Metal Deforming,

274+, for a similar device for deforming metal without fusion-bonding.