Abstract: The machine comprises a thermoforming box (116) which receives the container (126) and which is itself fitted into a cutting box (100), a heating die (148) mounted in vertically slideable manner above the said boxes and capable of squeezing a thermoforming film (44) or a closing film on the upper edge of the thermoforming box and of thermoforming the film (44) inside the container.
Type:
Grant
Filed:
February 3, 1988
Date of Patent:
September 5, 1989
Assignee:
Societe Continentale du Carton Ondule-Socar
Inventors:
Roger Lanoiselee, Philippe Dropsy, Patrick Roman
Abstract: A moisture-resistant package of the type which is in the form of a tray, constituted of a semirigid material such as corrugated cardboard, and including a bottom (10) and side walls (14, 16) articulated by fold lines to the bottom, and at least two horizontal flange members (24) articulated by fold lines along the upper edges of at least two of the side walls and extending toward the interior of the package in parallel with the bottom. The package includes an impermeable internal lining (28) constituted of a film of thermoplastic material which is applied by thermal molding against the interior faces of the bottom and side walls and which extends without discontinuity against the under face of the flange members (24) and folds over to apply against the upper face of the flange member.
Type:
Grant
Filed:
February 4, 1986
Date of Patent:
February 2, 1988
Assignee:
Societe Continentale du Carton Ondule Socar