Alternate side web splicing apparatus
AssigneeWorldwide Converting Machinery, Inc.
InventorsFrank X. Lee, Leonard C. Krimsky, Donald R. Freytag
Life of this patent
Estimating the term…
Abstract
The invention relates to an alternate side web splicing apparatus in which a bumper roll and a knife roll supported on a frame are adapted successively to be fired in the same direction from ready positions to perform an undersplice and in which means is provided for automatically changing the ready position of the knife roll while properly orienting the blade thereof and for firing the bumper roll and the knife roll in the opposite direction to perform an oversplice.
Claims24
Automatic web splicing apparatus for splicing the outer surface of a new roll web alternatively to the under surface of an expiring roll web or to the upper surface of an expiring roll web including in combination, a face of an expiring roll web including in combination, a support, a bumper roll, means mounting said bumper roll on said support for movement between a ready position and first and second fired positions, a knife roll, a knife on said knife roll, means mounting said knife roll on said support for movement between first and second ready positions and for movement from said first and second ready positions to respective first and second fired positions, and means for selectively initially positioning said knife roll in one of said ready positions.
Dependencies are inferred from the claim text.