Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of BE557151ApublicationCriticalpatent/BE557151A/xx
B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
B67B7/00—Hand- or power-operated devices for opening closed containers
B67B7/14—Hand- or power-operated devices for opening closed containers for removing tightly-fitting lids or covers, e.g. of shoe-polish tins, by gripping and rotating