(under subclass 411) Devices in which the opening means comprises a sharp implement, e.g.,., knife, saw, etc., adapted to rupture or sever the receptacle.
SEE OR SEARCH CLASS
30, Cutlery,
2, for carton openers, and subclasses 400+ for can openers, in which no structure for removing or handling the contents of the carton or can is involved.
222, Dispensing,
80+, for dispensers having means for cutting or punching a receptacle placed in the dispenser for causing emptying of the receptacle into the dispenser.