Baking pan and method of forming same
US4223619A · kind A · utility
6Cited by
3References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 9, 1979 |
| Grant date | Sep 23, 1980 |
| Priority date | — |
| Expiry date | Apr 9, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D51/22
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A baking pan comprising a bottom wall and side walls formed from a single blank of sheet metal having smooth inner and outer wall surfaces and providing corners connecting the adjacent side walls which are substantially thicker than the side walls. The terminal portions of the side walls remote from the bottom wall having flange portions formed to impart rigidity to the pan and provide securement means to other pans when positioned in a side-by-side relationship. A circumferential band encompassing multiple pans in a side-by-side relationship to complete the assembly of pans.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.