Floating mandrel and method of RF welding using a floating mandrel
US9796132B2 · kind B2 · utility
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3References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 19, 2014 |
| Grant date | Oct 24, 2017 |
| Priority date | — |
| Expiry date | May 26, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/751
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A mandrel for use in welding an air mattress having a top layer, bottom layer and at least one baffle joining the top layer and bottom layer, the mandrel includes a central mounting block; a baffle locating pin on a top surface of the central mounting block for securing the baffle to the central mounting block; a conductive sealing surface positioned along an edge of the central mounting block; a stop block positioned on the top surface of the central mounting block adjacent the sealing surface; and a bumper mounted to the central mounting block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.