Sealed paper making method

Details Sealed paper making method Sealed paper making method

1998-03-03

2000-03-28

Jones, Deborah

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156204, 156227, 156269, 156270, 156277, 156291, 229 921, 229 928, 229800, 270 502, 270 3905, 270 40, 270 41, B31F 100

Patent

active

060426721

ABSTRACT:
In a method of making sealed paper, a web of paper is unrolled and fed, while under a given tension, from a paper roll, and is single-folded or multiple-folded. Prior to the or each folding step, the unrolled web of paper is treated by having an adhesive applied to margin portions thereof destined to be margins of the sealed paper on an inner surface thereof other than along a fold line at which the paper is to be folded. The folded web of paper is then cut to yield a number of sealable paper units so treated and folded as above. The method further includes pressing the sealable paper units to have them sealed with the adhesive applied and thereafter discharging the sealed paper units each of which represents a sealed paper. The method may further include printing a given message or information on a sheet of paper before the paper is rolled into the above mentioned paper roll.

REFERENCES:
patent: 1918384 (1933-07-01), Falvey
patent: 4012268 (1977-03-01), Johnsen
patent: 5449156 (1995-09-01), Gnuechtel et al.

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