| 摘要 |
<p>An apparatus for vacuum foaming containers for refrigeration of foodstuffs, in which a polyurethane mixture is injected into hollow walls of a container closed under vacuum condition within a foaming cell. The apparatus includes a main frame for supporting the foaming cell, and an auxiliary frame movable between a lowered opening position and raised closing position of the foaming cell. The foaming cell includes a pallet for supporting a container to be foamed, side shore panels, transversal shore panels, and an internal shore plug member supported by the main frame. The side panels are hingedly connected to slides transversally movable with respect to the auxiliary frame for enabling their distance to be adjusted.</p> |
