(under the class definition) Apparatus including means to effect a bonding by a glass working operation, i.e., involving fusion, between: (a) parts, at least one of which is an article or preform, or (b) different parts of the same preform.
SEE OR SEARCH THIS CLASS, SUBCLASS:
36+, for a process of bonding glass to a formed part.
145, for a forming means charged by a feed of diverse glass.
146+, for analogous subject matter combined with means to feed a nonglass material thereto.
SEE OR SEARCH CLASS 29, Metal Working,
25.35, for piezoelectric device making, subclasses 25.41+ for electric condenser making, 592.1+ for other electric device making, and subclasses 428+ for a process of assembly and/or joining not otherwise provided for.
118, Coating Apparatus, appropriate subclasses for coating apparatus of general application.
156, Adhesive Bonding and Miscellaneous Chemical Manufacture, appropriate subclasses for bonding and/or assembly means utilizing adhesive bonding.
219, Electric Heating,
603+, for fusion bonding means in metal working apparatus.
269, Work Holders, for work holders, per se, especially
37+, for plural holders to hold work pieces relative to each other.
285, Pipe Joints or Couplings,
423, for nonmetallic pipe joints or coupling means.
107+, and 455+ for methods for joining plural semiconductor substrates; see the search notes therein. 445, Electric Lamp or Space Discharge Component or Device Manufacturing, especially
22, for a method under the class definition including shaping of the lamp or device envelope.