An improved method and apparatus for the assembly of pillow-top mattress covers. In the method of this invention, the gussets for a pillow-top mattress cover are prepared in a single step in which the gusset material is folded longitudinally, and the flange material is attached thereto and the...http://www.google.es/patents/US5782190?utm_source=gb-gplus-sharePatente US5782190 - Apparatus for assembly of pillow-top mattress covers
Apparatus for assembly of pillow-top mattress covers
