KANTOMFORMNINGSMASKIN FOR I EN STAPEL HOPSKUTNA BEHALLARE

摘要

Apparatus for folding deformable projecting rims or flanges on individual containers of a stack of nested containers or the like comprising: mechanism for heating the rims, a rim folding roller having a spiral rim folding groove for receiving and folding the heated rims, and an endless belt positioned about a portion of the roller and traveling in a path so as to tangentially engage the containers and maintain the rims in the groove under such force as to effect conjoint rotation and relative axial movement of the containers and the rim folding roller.