(under subclass 272) Method or apparatus combined with applying thermal energy to the workpiece or to the flowable material; or combined with allowing the vapor pressure of the flowable material to cause the material to solidify.
(1) Note. Heat applied in this subclass may be to soften thermoplastic coating material, to cure thermosetting coating material, etc.
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41, for making a cigarette filter including application of heat to secure the wrapper thereto.
129+, for making a rigid container with application of adhesive and heat sealing.
133+, for making a rigid container including heat sealing.
189+, for making a pliable container including heat sealing. 332, for making an article of this class, generally including application of adhesive and heating or drying.
341, for an operation of this class including heat application combined with cutting, breaking, tearing, or abrading.