Inventor

OPPRECHT PAUL

21 patents

⚠️ This page may combine multiple inventors who share the name “OPPRECHT PAUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OPPRECHT PAUL

OPPRECHT PAUL

Method for electrical resistance-welding and installation for carrying out said method and use of said method in drum manufacture

Method and apparatus for seam welding overlapped edges

Method of fabricating a projection for resistance welding

Projection for resistance welding of soft metals

Transporting can bodies for a fully automated resistance welding machine

Automated can resistance welder

Method and machine for electrical resistance roll seam welding with a single electrode-wire

Apparatus for applying a protective coating to the welding or solder seam of can bodies

Apparatus for resistance welding of can bodies

Resistance welding machine for seam welding of blanks or the like

Welding head for resistance - welding machine

ELPATRONIC AG

Welding machine for welding tongues onto sheet-metal parts

Through guide for rounded blanks on a seam welding machine

Rupturable can member as well as method and apparatus for its production

Rupturable can member as well as method and apparatus for its production

Rupturable can member

Apparatus for the spot welding of coated sheet-metal members

Openable can body

Openable can body

SOUDRONIC AG

Method of electrical resistance roll seam welding with only one electrode wire, machine for performing the process and use of the process

FREI SIEGFRIED

Apparatus for applying a protective coating to the welded seam of a can body or the like