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Multiple-Part Form With Wider and Staggered Perforations

IP.com Disclosure Number: IPCOM000039442D
Original Publication Date: 1987-Jun-01
Included in the Prior Art Database: 2005-Feb-01
Document File: 2 page(s) / 75K

Publishing Venue

IBM

Related People

Katsumi, S: AUTHOR

Abstract

A multiple-part continuous form is provided with horizontal perforations horizontally offset or staggered among overlapped parts of the form. The horizontal perforation for each part of the form is wide enough to accommodate the thicknesses of the folded edges of the other parts. This structure minimizes a form tenting when it is unfolded and avoids a form jam and a printing misalignment when it is fed and printed in a printer. As shown in Fig. 1, the conventional multiple-part continuous form 1 has horizontal perforations 2 of almost "0" width. This causes a form tenting 3 at the perforation and misalignments among the overlapped parts of the unfolded form. To overcome these problems, the adjacent parts of the conventional form are glued together.

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Multiple-Part Form With Wider and Staggered Perforations

A multiple-part continuous form is provided with horizontal perforations horizontally offset or staggered among overlapped parts of the form. The horizontal perforation for each part of the form is wide enough to accommodate the thicknesses of the folded edges of the other parts. This structure minimizes a form tenting when it is unfolded and avoids a form jam and a printing misalignment when it is fed and printed in a printer. As shown in Fig. 1, the conventional multiple-part continuous form 1 has horizontal perforations 2 of almost "0" width. This causes a form tenting 3 at the perforation and misalignments among the overlapped parts of the unfolded form. To overcome these problems, the adjacent parts of the conventional form are glued together. However, the glued form is folded for shipment before the glue is dried enough. This still causes the above problems. A three-part form of this structure is shown in Fig. 2, wherein stamped wider holes 4 in a horizontal perforation of the second part are horizontally offset or staggered to those holes 4 of the adjacent first part. And the holes 4 of the third part are horizontally staggered to both of the holes 4 of the first part and second part. The bridge portions 5 between the holes 4 of one part are protruded from the holes 5 of the other parts when the form is folded, as shown in Fig. 3. Then the form tenting 3 in the unfolded condition will not appear.

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