Abstract: The container (1) is intended for the separate storage of active compositions, especially of liquids or solutions, and for their subsequent mixing just before use.It comprises at least three compartments (3, 4, 5) separated from one another by leakproof seams (6) of the material of the envelope (2), sealable inlet passages (7, 8), sealed transfer passages (10, 11) and a sealable outlet passage (9). The envelope is made of a polymerized and homogeneous flexible material which is chemically inert to each of said compositions and to their mixtures.
Type:
Grant
Filed:
December 27, 1989
Date of Patent:
March 5, 1991
Assignee:
Vifor S.A.
Inventors:
Maurice Loretti, Pierre Vanat, Jacques Andre
Abstract: Disclosed is a deep drawn paperboard container and a process for making it. The container has an inner wall comprising a water impermeable layer coated on a specific paperboard substrate. The deep drawn container is greater than about 1.375 inches deep, has a radius of curvature of its bottom corners of less than about 7/8 inches and an angle of inclination of its side walls of less than about 20.degree. from the vertical.