Abstract: A pallet is provided for supporting the central tube of cylindrical objects having a variable outside diameter, the pallet consisting of a pallet base of generally rectangular shape with uprights mounted at the four corners thereof and detachable panels arranged in parallel pairs mounted between the uprights, the panel including means for securing them to the base and means for rendering them integral with the uprights, the panels further including at least one slotted portion having guiding means which cooperate with a holder member for an end of said central tube, the holder member being supported by a detachable cross member adapted to be fixed at differing levels within the slotted portion, the pallet being particularly suitable for supporting rolls of film material of variable diameters and length.

Abstract: A device for opening tenter frame clips mounted on an endless chain carried by a sprocket wheel, including:A clip opening wheel rotatable on a common axis with the sprocket wheel, such clip opening wheel having an elastomeric peripheral rim;The clips having means including a clamping surface and a pivotable clamping arm for clamping a web of material therebetween, such clamping arm being connected to a clip opening arm for pivoting the clamping arm into its open position; andThe clip opening arm being adapted to contact the elastomeric peripheral rim of the clip opening wheel as the clips are moved by the chain whereby to open the clips.The elastomeric rim is of a material, such as polyurethane rubber having a hardness of 95 Shore A, which reduces impact force as the opening arm is moved into contact with the rim, during the opening of the clip.The rim may be fixedly mounted on the periphery of the wheel.