Patent ID: 7625449

Claim:
A coating die for dispensing fluid onto a moving substrate at a capillary number, the coating die comprising: a die body including a first die portion, a shim and a second die portion in combination defining a cavity therein, wherein the cavity is in fluid communication with an applicator slot having lateral edges facing and extending across the width of the substrate upon which the fluid flowing through and from the applicator slot is dispensed upon; preventing means for preventing widening of the dispensed fluid laterally of the applicator slot arranged in lateral edges of the die portions and in the lateral edges of the shim defining the applicator slot when the capillary number of the dispensed fluid is in a range up to about 0.5, wherein the preventing means comprises a notch arranged in the lateral edges of the die portions and in the lateral edges of the shim defining the applicator slot, and an inlay positioned within each said notch.