Title: Wound roll of fibrous material

Abstract: A wound roll of a strip of fibrous material having a first end portion forming an innermost plurality of superimposed contiguous layers and a second end portion forming an outermost plurality of superimposed contiguous layers, a plurality of punctures defined in each of the end portions, each puncture being characterized by a burr projected therefrom into interlocked relation with a puncture defined in an adjacent layer, whereby the end portions of the strip are secured together in the roll.

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Inventors: Cole, Terrell A. (San Bruno, CA, US)

Application Number: 904975
Filing Date: 1978-05-11
Publication_date: 1979-12-11
Assignee:
Primary Class(es): 206/389 242/580
Other Classes:
US Patent Ref:

745612	Dec, 1903	Hoberg	206/389.
1958455	May, 1934	Ware	229/48.
2049756	Aug, 1936	Asmussen et al.	53/28.
2612992	Oct, 1952	Tinkham	242/1.
2847086	Aug, 1958	Muller	428/133.
3134980	May, 1964	Alexander	206/389.
3453695	Jul, 1969	Owen	206/389.
3524539	Aug, 1970	Herman	206/412.

Other Refs: 534996

Oct, 1931	DE2

Primary Examiner: Moy, Joseph Man-Fu
Assistant Examiner:
Attorney: Huebner & Worrel