Electric cushion heater
US5928548A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 7, 1997 |
| Grant date | Jul 27, 1999 |
| Priority date | — |
| Expiry date | Mar 7, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B2203/029
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An electric heater intended for heating foam-moulded cushions, for instance for vehicle seats or mattresses. The heater consists of an electric conductor, e.g. an insulated or non-insulated metal wire, which is configured into the shape of one or several bands of closely juxtaposed bights, each one of which comprises a loop and an open portion facing away from the associated loop, substantially all open portions being interconnected by means of local interconnections, e.g. by means of glue, plastic welds or seams, whereby one or several bands of coherent patterns are formed, said patterns intended to be positioned in a mould for casting of cushions, such that the heater to an essential extent becomes anchored in the cushion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.