US PATENT SUBCLASS 65 / 59.27
.~.~.~.~ Metal part coaxial with and inside of glass part

Current as of: June, 1999
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65 /   HD   GLASS MANUFACTURING

17.1  DF  PROCESSES {32}
36  DF  .~ Fusion bonding of glass to a formed part {12}
59.1  DF  .~.~ Of glass to metal part {6}
59.2  DF  .~.~.~ Maintaining cavity in glass {8}
59.27.~.~.~.~ Metal part coaxial with and inside of glass part

DEFINITION

Classification: 65/59.27

Metal part coaxial with and inside of glass part:

(under subclass 59.2) Processes in which the glass and metal parts are both relatively elongated, the glass part being outside of the metal part, and the two being arranged to be

coaxial.

(1) Note. Such a process may produce, e.g., a cylindrical metal pipe or tube fused to a surrounding glass pipe or tube of similar shape.