Claims
- 1. A tubular composite container for products, comprising:a tubular body wall formed of paperboard material having inner and outer surfaces and opposed ends; an adhesive layer applied to substantially all of the inner surface of the tubular body wall between the opposed ends least one product sealed within the tubular composite container; and a flexible liner ply adhered to said opposed ends of said tubular body wall and having a loose medial portion not adhered to the inner surface of said tubular body wall and comprising a polymeric material capable of being contracted upon being heated at a threshold temperature for a predetermined time interval, wherein said at least one product is stored within said flexible liner ply, and wherein pressure within said flexible liner ply is substantially equal to ambient pressure.
- 2. A tubular composite container according to claim 1, wherein said flexible liner is drawn away from said tubular body wall.
- 3. A tubular composite container according to claim 1, wherein the polymeric material comprises polyethylene film.
- 4. A tubular composite container according to claim 3, wherein said polyethylene film is laminated to a kraft paper layer.
Parent Case Info
CROSS-REFERENCE TO RELATED APPLICATION
This application is a divisional of U.S. application Ser. No. 09/559,170, filed Apr. 26, 2000, U.S. Pat. No. 6,510,674 which is hereby incorporated herein in its entirely by reference.
US Referenced Citations (17)
Foreign Referenced Citations (2)
Number |
Date |
Country |
0 857 568 |
Aug 1998 |
EP |
0 949 152 |
Oct 1999 |
EP |