(under the class definition) Processes wherein at least a portion of a preform is (1) subjected to direct contact by an open flame or (2) contacted by a heat which chemically decomposes a surface portion to shape the preform.
SEE OR SEARCH THIS CLASS, SUBCLASS:
29, for processes including a carbonizing step.
234+, for processes including subsequent temperature changes.
345+, for processes directed to treating shaped or solid articles by a temperature change.
SEE OR SEARCH CLASS
8, Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers, 140, for processes of singeing or carbonizing of textiles.
29, Metal Working,
423, for processes including discarding or destroying of material.
125, Stone Working,
1, for flame cutting of stone-like materials.
144, Woodworking,
329+, for flame treatment of wood.
156, Adhesive Bonding and Miscellaneous Chemical Manufacture,
82, for flame treatment combined with a laminating step.
427, Coating Processes,
223+, for coating processes including flame contact.
