Provision of cover impermeability in mold in place seat component method
US5468434A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 1, 1994 |
| Grant date | Nov 21, 1995 |
| Priority date | — |
| Expiry date | Mar 1, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C44/145
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of making a cushioned seat component which includes the following steps. First, providing a cover having an exterior surface which is to present the major exterior appearance of the seat component and which includes a panel portion to be cushioned, the panel portion of the cover being perforate between the interior and exterior surfaces thereof. Second, mounting the cover on a vacuum mold so that the exterior surface of the panel portion is facing a mold surface of the vacuum mold having a shape corresponding with the desired exterior surface shape of the panel portion. Third, mounting an imperforate film over the interior surface of the panel portion while the cover is mounted on the vacuum mold. Fourth, applying a vacuum to the vacuum mold so as to draw the exterior surface of the panel portion into conformity with the mold surface of the vacuum mold with the film preventing passage of air through the cover from the interior surface thereof to the exterior surface thereof. Fifth, activating an activatable adhesive layer provided between the interior surface of the panel portion and the imperforate film so as to adhere the imperforate film to the panel portion. Sixth, foa…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.