|
| US4142555 | 15 Nov 1977 | 6 Mar 1979 | Sumitomo Kinzoku Kogyo Kabushiki Kaisha | Corrosion preventive, coated metal pipe |
| US4645553 | 31 May 1985 | 24 Feb 1987 | L'Homme, S.A. | Process and apparatus for forming a multilayer tube |
| US4650459 | 21 Oct 1985 | 17 Mar 1987 | Kimberly-Clark Corporation | Convolutely wound paper tampon tube |
| US4792326 | 30 Mar 1987 | 20 Dec 1988 | Kimberly-Clark Corporation | Rapidly disintegrating paper tubes |
| US4872933 | 5 Aug 1988 | 10 Oct 1989 | Kimberly-Clark Corporation | Method of forming rapidly disintegrating paper tubes |
| US6394385 | 7 Jun 2000 | 28 May 2002 | Sonoco Development, Inc. | Winding cores for pressure-sensitive tape and methods of making same |
| US7007887 | 11 Nov 2003 | 7 Mar 2006 | Sonoco Development, Inc. | Tubular core with polymer plies |
