|
| US3969557 | 27 Feb 1975 | 13 Jul 1976 | AMF Incorporated | Fiberglass vaulting pole |
| US4712354 | 4 Sep 1986 | 15 Dic 1987 | Lantech, Inc. | Dual rotating stretch wrapping apparatus and process |
| US5024712 | 7 May 1990 | 18 Jun 1991 | Aerospatiale Societe Nationale Industrielle | Process and machine for manufacturing tubular pieces from at least one web of supple material and tubular pieces thus obtained |
| US5230726 | 30 Abr 1992 | 27 Jul 1993 | Morton International, Inc. | Spiral wrapped gas generator filter |
| US5472154 | 2 Jul 1993 | 5 Dic 1995 | Sonoco Products Company | High spiral angle winding cores |
| US5829669 | 6 Feb 1997 | 3 Nov 1998 | Sonoco Products Company | Tubular container and methods and apparatus for manufacturing same |
| US5846619 | 6 Feb 1997 | 8 Dic 1998 | Sonoco Products Company | Polymeric liner ply for tubular containers and methods and apparatus for manufacturing same |
| US5979748 | 23 Abr 1998 | 9 Nov 1999 | Sonoco Development, Inc. | Tubular container with a heat seal having an inner and outer bead and method of manufacturing said container |
| US6076728 | 15 May 1998 | 20 Jun 2000 | Sonoco Development, Inc. | Tubular container having polymeric liner ply |
| US6190485 | 15 May 1998 | 20 Feb 2001 | Sonoco Development, Inc. | Methods of manufacturing tubular containers having polymeric liner plies |
| US6244500 | 6 Mar 2000 | 12 Jun 2001 | Sonoco Development, Inc. | Polymeric liner ply for tubular containers and methods and apparatus for manufacturing same |
| US6264098 | 11 Oct 1999 | 24 Jul 2001 | Sonoco Development, Inc. | Tubular container with a heat seal having non-symmetrical inner and outer beads |
| US6391135 | 8 Jul 1998 | 21 May 2002 | Sonoco Products Company | Methods and apparatus for manufacturing tubular containers |
| US7188800 | 23 Ago 2004 | 13 Mar 2007 | Sonoco Development, Inc. | Collapsible winding core and method of making same |
| US7291240 | 5 Sep 2003 | 6 Nov 2007 | Fisher & Paykel Healthcare Limited | Method of forming a conduit using a wound sacrificial layer |