CH562676A5CH391774ACH391774ACH562676A5CH 562676 A5CH562676 A5CH 562676A5CH 391774 ACH391774 ACH 391774ACH 391774 ACH391774 ACH 391774ACH 562676 A5CH562676 A5CH 562676A5
Authority
CH
Switzerland
Application number
CH391774A
Original Assignee
Leeuwen Peter Van
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 Leeuwen Peter VanfiledCriticalLeeuwen Peter Van
Publication of CH562676A5publicationCriticalpatent/CH562676A5/xx
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