Retaining a part within a business form

Details Retaining a part within a business form Retaining a part within a business form

B - Operations, Transporting

65

D

93/2, 220/20

B65D 27/10 (2006.01) B41L 1/32 (2006.01) B42D 5/02 (2006.01)

Patent

CA 2033384

ABSTRACT OF THE DISCLOSURE A mailer type of business form having a carbonizing bond sheet with a carbon spot on one face, and an insert, is constructed so that the carbonizing bond sheet will remain within the outgoing envelope when the insert is removed. This is accomplished even though the carbon spot goes all the way to the end of the carbonizing sheet by providing thumb notches in the outgoing envelope plies and the carbonizing bond, but not in the insert. The carbonizing bond is stream pasted to the interior top ply-of the outgoing envelope to maintain it within the outgoing envelope when the insert is removed. The mailer is constructed in a continuous manner from four vertically aligned webs of paper, with the interior webs having a width less than the top and bottom webs by an amount corresponding to the width of strips of adhesive along the sides of the business forms holding the top and bottom plies together. All the webs except the insert sheet web are thumb notched, and the carbonizing bond and insert web are simultaneously die cut. .

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