Die-cutting
AssigneeThe Deritend Engineering Company Limited
InventorThomas Desmond Bishop
Life of this patent
Estimating the term…
Abstract
The invention provides a forme construction for a die cutting apparatus in which cutting rule is supported in slots in a relatively massive support plate by using sinuous resilient elements lying between walls of slots in the support plate and the sides of the rule.
Claims9
A forme in which a rule is held securely and accurately in position, comprising a plate-like support provided with a pattern of slots, each slot being wider than the thickness of the rule, the rule being mounted in the slots, at least two slots being aligned, with an intervening gap, and the rule having a notch to accommodate said gap, and a retaining element having a press fit beside the rule in each slot, said element consisting of a corrugated strip of sheet metal, the corrugations being rectilinear and parallel to one another, running transversely of the rule, and having linear contact with the rule and with the side of the slot, and the force exerted against the rule and the side of the slot by the corrugated strip being great enough to hold the rule securely and accurately in position and to prevent tilting of the rule.
Dependencies are inferred from the claim text.