Apparatus and method to cut HVAC round and spiral ductwork and all attaching structures
US8683841B1 · kind B1 · utility
7Cited by
37References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 13, 2010 |
| Grant date | Apr 1, 2014 |
| Priority date | — |
| Expiry date | Jul 2, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21C37/122
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Apparatus and method for cutting HVAC round duct and spiral duct and all attendant-attaching structures comprising a computer controlled machine able to cut round and spiral HVAC ducts and also the ability to send attendant-attaching structures that are then cut on a flat X and Y cutting machine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.