US006517673B1 United States Patent (12) (10) Patent N0.: US 6,517,673 B1 Heath et al. (45) Date of Patent: *Feb. 11, 2003 (54) PRINTED, SOFT, BULKY SINGLE-PLY 5,882,479 A * 3/1999 Oriaran et al. ............ .. 162/112 ABSORBENT PAPER HAVINGA 6,033,761 A * 3/2000 Dwiggins et a1. ......... .. 428/172 SERPENTINE CONFIGURATION AND LOW METHODS FOR ITS * cited by examiner (75) Inventors: Michael S. Heath, Menasha, WI (US); Primary Examiner_jose Fortune, T. Philips Oriaran, Appleton, WI (US); Mark S. Siege], Appleton, WI (US); (57) ABSTRACT Frank D. Harper, Neenah, WI (US); John H, Dwiggins, Neenah, WI (Us) The present invention relates to a soft, thick, single-ply, printed, absorbent paper product having a Yankee side and (73) Assignee? Fort James Corporation, Atlanta, GA an air side Wherein the absorbent paper is printed on before (Us) or after embossing on the Yankee side, air side, or both sides, ( * ) Notice: Subject to any disclaimer, the term of this Sal‘; ?bsorbént paper exhlbmng a Serpentme Con?guranon' patent is extended or adjusted under 35 This inventions also relates to a process for the manufacture USO 154(k)) by 0 days' of such absorbent paper product having a basis Weight of at least about 12.5 lbs. per 3000 square foot ream and having This patent is Subject to a terminal (115. loW sidedness, said tissue exhibiting: ‘?annel a speci?c total tensile strength of betWeen 40 and 200 grams per 3 inches per pound per 3000 square foot (21) Appl- NO-I 09/568,661 ream, a cross direction speci?c Wet tensile strength of (22) Filed: May 10’ 2000 betv\;)e5102.75 and 20.0 gramts1 per ingllij?)p er p~c1)und per square oot ream, t e ratio 0 tens1 e to Related US. Application Data CD tensile of between 1.25 and 2.75, a speci?c geo metric mean tensile stiffness of betWeen 0.5 and 3.2 (62) Division of application No. 09/075,689, ?led on May 11, grams per inch per percent Strain per pound per 3000 1998 ' square foot ream, a fri. ct.i on devi.a ti. on of less than 0.250, ((5512)) IUnSt.‘ cC1l.‘7 ."."..". ......................................... .. D21H 27/38 :fo2r?rg nl iosfJi ldield?rel?ffnibeosgsaerdi oirz termibzOtsisZfd PlsjisnsgeIrltJhea-rpgldyi gbga' throom ’ 162164; 1_ 162/1’79_ 428/153’ tissue, facial tissue, or napkin are useful articles of (58) Field of Search ....................... .. 162/109, 111_113, co??erce' .Th‘; sfggée'ply akl’sorbim pair priducts 162/117, 125_132, 129, 147, 149, 158, eX 1 it a pr1nte si e ness va ue 0 AB 0 esst an 2. 164.1, 179, 164.3, 161, 168.2; 428/152—154, 906, 34.1—34.3, 172, 156; 442/97, 327 (56) References Cited 3 Claims, 27 Drawing Sheets U.S. PATENT DOCUMENTS 5,695,607 A * 12/1997 Oriaran et a1. ............ .. 162/112 5,851,629 A * 12/1998 Oriaran et a1. ............ .. 428/153 (3 of 27 Drawing Sheet(s) Filed in Color) U.S. Patent Feb. 11,2003 Sheet 1 0127 US 6,517,673 B1 F1IG. U.S. Patent Feb. 11,2003 Sheet 2 0f 27 US 6,517,673 B1 U.S. Patent Feb. 11,2003 Sheet 4 0f 27 US 6,517,673 B1 U.S. Patent Feb. 11,2003 Sheet 5 0f 27 US 6,517,673 B1 00000 . 0000000'0 0 000000000000000 . Q Q ‘.0'.9.... . 0.".'.°..‘." . 000.000.000.000. . . I:::0 ... . '.=. ‘000.000.000.000... . 0 3:33 3"‘. 33:3. 0 ‘fr-r3‘. 33333331113. ' Q .00.... 0.:::. °'''°°°‘'' . . ::0:0 . ..................... . ...... ....... ............ . .. 00000000000000.000000. .... Q .-............ Q .00.00000000000000000000. .. ' ... °:::"' 00000000000000.’ . '. 00000000000000.0000...‘ ... ....:: . ...'.Q............ . .........‘.......I.... .'.......... .........0000000000 Q 00000000000000.0000... Q Q .‘....... .................... 0.0000000000000000... . Q ‘o... . 00.000000000000000... Q ..I.'...""""'..' Q .‘ 00000000000000.0000... . 00.000000000000000 . . . . .QOOOOCOQ'QOQIU'OOIII'. . ............I... Q . 0......0.00000....0000. °. Q 00000000000000 Q 00.................... .00. 0000000000000 Q 00000000000000.0000... Q i..." . 000000.000. 00.000000000000000... .""'." 0000000000 ..0 000.0000000.0000000.00.00.0.0.0 :0000 .. "'°'.°.'“'.'.'.'."'' ‘ .. 000000000. . . 0000000000000... 0"... "‘'¢ . 0 . '0 Q 00000000000000. °"' 0 "°"' . Q 0... . ............. 00. 0.0.0.0. . 0000.0 . ........... . .00 00.0000 Q 000...... .......... 000 00000000 00000000... Q .¢.... Q .000 0.00.0... . 000000000000 Q 0.. . 0000. 0000000 0000.. .0000 . . 00000 00000000 . . 0.00 000000 . . 000.0 00000 . I.‘ 0000.000. 0.000 000 Q "0 0000... Q 0000... .000Q 00. 00000000 0000000 0.... Q 0.00 000...... 0000000 .0000 . 00.00 0000.00 Q .0000. 0000000 . ".0. 000.0... . 00000 0000000 ..... .. 0.000 . ' ' ':::::::§§:' ' .0 "3°. 0.‘. FIG. 5 U.S. Patent Feb. 11,2003 Sheet 7 0f 27 US 6,517,673 B1 U.S. Patent Feb. 11,2003 Sheet 8 0f 27 US 6,517,673 B1 Print ii P1532 Ewe Ttrikethmugh Fmm S mg§?~Piy inwminn when "ti m Skis was; Primed 1
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