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US 5,849,421 AGranted
Foil cuts
AssigneeXpurrt Limited
InventorCarl Wilfred Benjamin Stephan
Life of this patent
Estimating the term…
Abstract
A foil cut 10 comprises a strip of metal foil having a series of spaced, parallel corrugations 18 which extends from one side edge of the foil to the other.
Claims4
A foil cut which comprises a strip of metal foil having a pair of opposite end edges, a pair of opposite side edges and a series of spaced parallel corrugations which extend from one of the side edges to the other of the side edges in a central portion of the foil cut, and the foil cut further having uncorrugated portions between the central portion and each said end edge.
Dependencies are inferred from the claim text.