SE347444BSE369069ASE369069ASE347444BSE 347444 BSE347444 BSE 347444BSE 369069 ASE369069 ASE 369069ASE 369069 ASE369069 ASE 369069ASE 347444 BSE347444 BSE 347444B
Authority
SE
Sweden
Application number
SE369069A
Inventor
Doren H Van
Original Assignee
Thomassen & Drijver
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 Thomassen & DrijverfiledCriticalThomassen & Drijver
Publication of SE347444BpublicationCriticalpatent/SE347444B/xx
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D51/00—Making hollow objects
B21D51/16—Making hollow objects characterised by the use of the objects
B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
B21D51/383—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures scoring lines, tear strips or pulling tabs