Adjustable girth former
AssigneeHayssen Manufacturing Company
InventorLloyd Kovacs
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Abstract
An adjustable girth control for the tube former in a packaging machine for encapsulating individual rolls or groups of rolls in a film. The tube former includes a forming body which is shaped to envelope the product passing therethrough and which has opposite adjustable forming elements with a variable gap between them. The forming elements are shifted horizontally and vertically to vary internal dimensions of the forming body to accommodate rolls of different diameters. Shifting can occur manually or automatically responsive to detection of the sizes of incoming rolls.
Claims15
An adjustable girth control for a tube former in a packaging apparatus in which products comprising individual rolls or groups of rolls are conveyed continuously one after another and are packaged in a film, the tube former being situated to continuously form a sheet of film passing through the tube former into a tube encapsulating and transferring succeeding product, the adjustable grith control comprising
- a. A forming body in the tube former, said forming body being shaped to internally accept and envelope product and film passing therethrough, said forming body having opposed adjustable forming elements defining a variable width gap between said forming elements, and
- b. means secured to said forming elements for shifting the position of said forming elements to vary internal dimensions of said forming body.
Dependencies are inferred from the claim text.