公开(公告)号：WO2021257698A1

公开(公告)日：2021-12-23

申请号：PCT/US2021/037622

申请日：2021-06-16

申请人： RAVEN INDUSTRIES, INC.

发明人： REDFORD, Steven, G. ,  ROGERS, Dylan

IPC分类号： B32B27/08 ,  B32B27/36 ,  B41M1/30 ,  B32B2255/10 ,  B32B2255/205 ,  B32B37/182

摘要： Various embodiments of the present disclosure provide a multi-layer film. The multi-layer film includes a first polymeric layer; a second polymeric layer; and a printed polymeric layer comprising a visual image and disposed between the first polymeric layer and the second polymeric layer.

公开(公告)号：WO2023287810A1

公开(公告)日：2023-01-19

申请号：PCT/US2022/036852

申请日：2022-07-12

申请人： RAVEN INDUSTRIES, INC.

发明人： REDFORD, Steven, G. ,  COOVER, Derek, Lee ,  SCHROEDER, Kyle, P.

IPC分类号： B65D81/3261 ,  B65D75/32 ,  B29D22/003 ,  B32B1/02 ,  B29C65/022 ,  B65D75/30 ,  B29C70/06

摘要： Various aspect of the present disclosure relate to a sealed storage tank. The sealed storage tank includes a first film at least partially defining a first internal chamber of the sealed storage tank. The first film includes a first polymeric layer having a thickness in a range of from about 0.05 mm to about 1 mm. The first film can include an optional first fibrous scrim layer directly contacting the first polymeric layer. The sealed storage tank can further include a second film attached to the first film and at least partially defining a second internal chamber of the sealed storage tank, the second film comprising. The second film can further include a second polymeric layer having a thickness in a range of from about 0.05 mm to about 1 mm. The second film can include an optional second fibrous scrim layer directly contacting the second polymeric layer.