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US 4,051,285 AGranted
Tearable edge strip for plastic sheet
AssigneeXerox Corporation
InventorWilliam E. Kramer
Life of this patent
Estimating the term…
Abstract
A sheet of support material in which a non-fibrous image receiving portion has a fibrous portion secured thereto. The fibrous portion cooperates with a sheet feeding apparatus to facilitate the seriatim feeding of successive sheets of support material from a stack thereof.
Claims4
A sheet of support material employed in a sheet feeding apparatus of the type having a rotary driven feed roll cooperating with a retard roll for seriatim feeding of sucessive sheets of support material from a stack thereof, including:
- a transparent non-fibrous flexible polymeric portion;
- and
- a fibrous flexible paper portion extending in an outwardly direction from said non-fibrous portion having the trailing marginal region thereof overlapping and secured adhesively to the leading marginal region of said non-fibrous portion with said fibrous being interposed between the feed roll and retard roll during the forward advancement of the sheet of support material to facilitate separation of successive sheets of support material from the stack thereof, said fibrous portion being serrated in the region thereof adjacent to said non-fibrous portion to permit the portions to be readily separated from one another.
Dependencies are inferred from the claim text.