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.)
Filing date
Publication date
Application filed by P V LeeuwenfiledCriticalP V Leeuwen
Publication of DK406074ApublicationCriticalpatent/DK406074A/da
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
B29C59/10—Surface shaping of articles, e.g. embossing; Apparatus therefor by electric discharge treatment