Method and apparatus for welding handle studs to cooking vessels
US5696688A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 29, 1996 |
| Grant date | Dec 9, 1997 |
| Priority date | — |
| Expiry date | Jan 29, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K37/047
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An improved method and apparatus for attaching metal studs to a pre-finished metal shell is provided for use in the manufacture of cookware. Specifically, a metal cookware shell with a logo disposed on the bottom surface thereof is provided with a mark for indicating the location where a stud is to be welded for attachment of the handle. An apparatus and method are provided for detecting the location of the mark, milling the mark and exterior finish off the shell, welding the stud to the milled portion of the shell and testing the strength of the stud/shell weld, all with a minimum contribution of manual labor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.