| http://www.w3.org/ns/prov#value | - The upper sealing portion 272 moves in a direction 276 and presses an infolded portion of the folded web 254 against an upper side 278 of the infolding device 264 and seals a portion 280 of the folded web 254 by heating, pressure or other sealing mechanism well known to those of ordinary skill in the art.
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