workingnonstop
2[H]4U
- Joined
- Jan 30, 2003
- Messages
- 3,222
The product is a unitary protective shipping package that has an outer wall of co-extruded film with nylon. Heat welded onto the outer film wall, forming the sides of the package is an open celled cellular foam (polyurethane) which is held in a compressed condition, having been vacuum sealed inside a film pouch. The key ingredient to the product's patentability is the process of compressing the polyurethane foam, and vacuum sealing it inside the co-extruded nylon-polyurethane walls of the bag...
http://www.xpander.com/sample_form.html