The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 22, 1987
Filed:
Oct. 28, 1986
Felix Kramer, Friedlisberg, CH;
Elpatronic AG, , CH;
Abstract
Sheet-metal members (10), particularly tear-open can members, can be moved rhythmically, one behind the other, through a welding station (19) by a sheet-metal conveyor (15) and located in a defined position (17) in the welding station (19) by a positioning device (17). A prestamped tongue (12) can be punched-off from a sheet-metal strip (58) each time by a punch (60) over one of a plurality of receivers (52) on a tongue conveyor (18). The receivers (52) can be moved in succession out of the range of action of the punch (60) into the welding station (19) as a result of which the tongues (12) can each be laid against a sheet-metal member (10) in the welding station (19) in time with the sheet-metal conveyor (15). The punch (60) for punching off the tongues (12) is preceded by a prestamping device (82) which impresses markings (84) in the sheet-metal strip (58) at fixed distances from the tongues (12). Disposed between the prestamping device (82) and the punch (60) is a drive member (83) which engages the markings (84) in the sheet-metal strip (58) and is connected to the tongue conveyor (18) by a transmission (86). The punch (60) is connected to a centering device (90) which engages in at least one marking (84) adjacent to it in the sheet-metal strip (58), during the punching off of a tongue (12). In this manner, the tongues (12) are each particularly accurately positioned in relation to the associated sheet-metal member (10).