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ChAPtER 8 | HOW TO DRAFT THE SPECIFICATION AND INITIAL DRAWINGS | 217<br />

<strong>Patent</strong> Application of Lou W. Koppe for “Paper-Laminated<br />

Pliable Closure for Flexible Bags” continued<br />

Page 8<br />

repeat<br />

advantages—<br />

keep selling it!<br />

Advantages<br />

From the description above, a number of advantages of some embodiments of my paperlaminated<br />

closures become evident:<br />

(a) A few rolls of colored paper will contain thousands of square yards of a variety of colors,<br />

will obviate the need for liquid pigments or a pigment-compounding plant, and will permit the<br />

manufacturer to produce colored closures with transparent, off-color, or leftover plastic, all of<br />

which are cheaper than first quality pigmented plastic.<br />

(b) With the use of rolls of colored paper to laminate the closures, one can change colors by<br />

simply changing rolls, thus avoiding the need to purge the extruder used to produce the closures.<br />

(c) The use of paper laminate upon an unpigmented, flexible plastic base can provide a<br />

bright color without requiring the introduction of pigment into the base and the consequent<br />

sacrifice of pliability.<br />

(d) The presence of a paper lamination will permit the display of multi colored designs.<br />

(e) The paper lamination will provide a superior surface for labeling or printing, either by<br />

hand or by machine.<br />

(f) Any erasure or alteration of prices by dishonest consumers on the paper-laminated<br />

closure will leave a highly visible and permanent mark.<br />

(g) Although closures made solely of plastic are slippery when handled with wet or greasy<br />

fingers, the paper laminate on my closures will provide a nonslip surface.<br />

Figs 7A and 8A show bent closures with and without grooves, respectively. Figs 7C and 8C<br />

show the same closures, respectively, after being flattened out, along their longitudinal axes,<br />

paper tear 22 being visible.<br />

Conclusion, Ramifications, and Scope<br />

Accordingly, the reader will see that the paper-laminated closures of the various<br />

embodiments can be used to seal a plastic bag easily and conveniently, can be removed just<br />

as easily and without damage to the bag, and can be used to reseal the bag without requiring<br />

a new closure. In addition, when a closure has been used to seal a bag and is later bent and<br />

removed from the bag so as not to damage the latter, the paper lamination will tear or crease<br />

Fig. 8G—Specification of Sample <strong>Patent</strong> Application (continued)

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